Meetings & Events

1995 MRS Fall Meeting

November 27–December 1, 1995
Boston, Massachusetts
Meeting Chairs: Michael J. Aziz, Berend T. Jonker, Leslie J. Struble

Symposium F—Defects in High-Temperature Superconductors—Characterization and Relations to Processing and Properties

Chairs

Kenneth C. Goretta, Argonne National Laboratory
James N. Eckstein, Varian Associates
Susan E. Babcock, University of Wisconsin, Madison
Kohji Kishio, University of Tokyo
Eva M. Olsson, Chalmers University of Technology

Symposium Support

  • Niki-Glass Incorporated
  • Intermagnetics General Corporation
  • Varian Associates
  • E.L. Glinzton Research Center
  • Los Alamos National Laboratory
  • Oak Ridge National Laboratory

*Invited Paper

SESSION F1: FUNDAMENTALS
Chairs: Michael Osofsky and Eva Olsson
Monday Morning, November 27
Salon G (M)

8:30 A.M. *F1.1
NONLINEAR RF PROPERTIES OF 123 YBCO AND 2223 TBCCO THIN FILMS, M.R. Beasley, Stanford University, Department of Applied Physics, Stanford, CA.

9:00 A.M. *F1.2
WEAK LINKS AND THEIR ELECTRONIC PROPERTIES IN SUPERCONDUCTING CUPRATES, J. Halbritter, Forschungszentrum Karlsruhe, Karlsruhe, Germany.

9:30 A.M. F1.3
ORBITAL CHARACTER OF UNOCCUPIED STATES IN (Y,Pr)Ba2Cu3O7, M. Merz, N. Nücker, E. Pellegrin, S. Schuppler, INFP, Forschungszentrum Karlsruhe, Karlsruhe, Germany; M. Kielwein, M. Knupfer, M.S. Golden, J. Fink, Institut für Festkörper-und Werkstofforschung, Dresden, Germany; Z.-W. Hu, M. Domke, C.T. Simmons, W. Frentrup, G. Kaindl, Freie Universität Berlin, Institut für Experimentalphysik, Berlin, Germany; C.T. Chen, AT&T Bell Laboratories, Murray Hill, NJ; and A. Erb, Université de Genève, Département de Physique de la Matière Condensée, Genève, Switzerland.

9:45 A.M. BREAK

10:15 A.M. *F1.4
HIGH-Tc SUPERCONDUCTORS AS ID JOSEPHSON ARRAYS, Paul Müller, University Erlangen, Physikalisches Institute, Erlangen, Germany.

10:45 A.M. F1.5
LOCAL ATOMIC STRUCTURE OF YBA2Cu3O6.52 BY PULSED NEUTRON DIFFRACTION, Despo Louca and Takeshi Egami, University of Pennsylvania, Department of Materials Science and Engineering, Philadelphia, PA.

11:00 A.M. *F1.6
B-T VORTEX PHASE DIAGRAM IN DyBa2Cu3O7/(Y1-xPrx)Ba2Cu3O7 HETERSTRUCTURES, Jean-Marc Triscone, Haru-Hiko Obara, Magnus Andersson, Patrice Fivat, Lourdes Fábrega, Michel Decroux and Øystein Fischer, University of Geneva, DPMC, Geneva, Switzerland.

11:30 A.M. *F1.7
EVIDENCE FOR LONG LOCALIZATION LENGTH ALONG b-AXIS PrBa2Cu3O7 IN a- AXIS YBa2Cu3O7/a,b-AXIS PrBa2cu3O7 SUPERLATTICES, Y. Suzuki, AT&T Bell Laboratories, Murray Hill, NJ; J.M. Triscone, DPMC, University of Geneva, Geneva, Switzerland; C.B. Eom, Duke University, Department of Mechanical Engineering and Material Science, Durham, NC; Mark Lee, University of Virginia, Department of Physics, Charlottesville, VA; M.R. Beasley and T.H. Geballe, Stanford University, Department of Applied Physics, Stanford, CA.

SESSION F2: POINT DEFECTS
Chairs: Dan Goldschmidt and Kohji Kishio
Monday Afternoon, November 27
Salon G (M)

1:30 P.M. *F2.1
DOPING EFFECTS ON Bi2Sr2CaCu2O8+x, Marshall Onellion, University of Wisconsin, Applied Superconductivity Center, Madison, WI.

2:00 P.M. F2.2
DOPED BISMUTH H.T.S.C. SINGLE CRYSTALS: EFFECTS ON SUPERCONDUCTING PROPERTIES, DISTORTIONS AND MODULATIONS, L. Manifacier, G. Collin and Y. Dumont, CEN, Laboratoire Léon Brillouin, Saclay, France.

2:15 P.M. F2.3
NORMAL STATE ELECTRICAL RESISTIVITY STUDIES OF Y DOPED Bi-2212 AT HIGH PRESSURE, S. Ravikumar and S. Natarajan, Anna University, Department of Physics, Madras, India.

2:30 P.M. *F2.4
SIMILAR DEPRESSION OF Tc BY Zn AND Ni SUBSTITUTION AND DEPARTURE FROM THE UNIVERSAL THERMOPOWER BEHAVIOUR IN CaLaBaCuO, Dan Goldschmidt and Yakov Eckstein, Technion, Department of Physics, Haifa, Israel.

2:45 P.M. F2.5
Zn AND Ni IN HIGH-Tc SUPERCONDUCTORS, Howard A. Blackstead, University of Notre Dame, Physics Department, Notre Dame, IN; and John D. Dow, Arizona State University, Department of Physics and Astronomy, Tempe, AZ.

3:15 P.M. BREAK

3:30 P.M. *F2.6
MAGNETIC DEFECTS, LARGE INHOMOGENEITIES, AND THEIR INFLUENCE ON MAGNETIC AND OTHER PROPERTIES OF THE HIGH Tc OXIDES, Vladimir Z. Kresin, Lawrence Berkeley Laboratory, University of California, Berkeley, CA.

3:00 P.M. F2.7
ON PRESSURE EFFECT ON SUPERCONDUCTING TRANSITION IN NON STOICHIOMETRIC 123 CUPRATES, Alexander P. Saiko and Vasilii E. Gusakov, Institute of Solid State and Semiconductors Physics, Minsk, Belarus.

4:00 P.M. *F2.8
ATOMIC TRANSPORT IN HIGH-Tc SUPERCONDUCTORS, J.L. Routbort, Argonne National Laboratory, Energy Technology Division, Argonne, IL; and S.J. Rothman, Journal of Applied Physics, Argonne, IL.

4:30 P.M. F2.9
THE EFFECTS OF OXYGEN INHOMOGENEITIES ON THE TRANSPORT PROPERTIES OF A DE-TWINNED SINGLE CRYSTAL OF Y1Ba2Cu3O7-, V.M. Browning, M.S. Osofsky, R.J. Soulen Jr. and E.F. Skelton, Naval Research Laboratory, Washington, DC.

4:45 P.M. F2.10
HREM STUDY OF CHANGES OF OXYGEN CONTENT AND ORDERING IN HIGH-Tc YBa2Cu3O7-y SUPERCONDUCTORS, Y. Yan, W.Y. Liang, Cambridge University, IRC in Superconductivity, Cambridge, United Kingdom; T. Walther and W.M. Stobbs, Cambridge University, Department of Materials Science and Metallurgy, Cambridge, United Kingdom.

POSTER SESSIONS
Chairs: Eva Olsson and Susan Babcock
Monday Evening, November 27
8:00 P.M.
America Ballroom (W)

SESSION F3: FUNDAMENTALS

F3.1 PINNING, STATIC AND DYNAMIC PROPERTIES OF JOSEPHSON FLUXONS, J. Halbritter, Institut für Materialforschung I, Forschungszentrum Karlsruhe, Karlsruhe, Germany.

F3.2 PINNING IN PULSED LASER DEPOSITED YBa2Cu3O7- FILMS, B. Dam, H.G. Schnack, G. Doornbos, J. Rector and R. Griessen, Faculty of Physics and Astronomy, Department of Solid State Physics, Amsterdam, Netherlands.

F3.3 VARIATION IN MICROWAVE LOSSES INDUCED BY DC AND RF MAGNETIC FIELDS IN 123 THIN FILMS, L.F. Cohen, J. MacManus-Driscoll, IS. Ghosh, Imperial College, Centre for HTS. London, United Kingdom; and J.C. Gallop, Quantum Metrology Division, National Physicsal Laboratory, Middlesex, United Kingdom.

F3.4 IMPEDANCE MEASUREMENTS ON SUPERCONDUCTORS, Simon M. Feldberg, Vadim E. Gore, Dimity U. Korolev, Alexander V. Voronel, Tel Aviv University, School of Physics and Astronomy, Tel Aviv, Israel; Mark D. Levin, College of Judea and Samaria, Ariel, Israel; and Vladimir B. Sandomirsky, Bar-Ilan University, Department of Physics, Ramat-Gan, Israel.

F3.5 ANALYSIS OF FREQUENCY DEPENDENCE OF VORTEX DYNAMICS IN YBa2Cu3O7- THIN FILMS IN A DC MAGNETIC FIELD, N. Belk, Massachusetts Institute of Technology, Department of Physics, Cambridge, MA and Massachusetts Institute of Technology, Lincoln Laboratory, Lexington, MA and Rome Laboratory, Hanscom, MA; D.E. Oates, Massachusetts Institute of Technology, Department of Physics, Cambridge, MA and Massachusetts Institute of Technology, Lincoln Laboratory, Lexington, MA; D.A. Feld, Massachusetts Institute of Technology, Lincoln Laboratory, Lexington, MA; G. Dresselhaus, Rome Laboratory, Hansom, MA and FBNML, Cambridge, MA; and M.S. Dresselhaus, Massachusetts Institute of Technology, Department of Physics, Cambridge, MA.

F3.6 PROBING THE INTERPLAY OF MAGNETISM AND SUPERCONDUCTIVITY VIA RADIO FREQUENCY PENETRATION DEPTH MEASUREMENTS IN THE BOROCARBIDE SUPERCONDUCTORS, D.P. Choudhury, S. Oxx, Balam A. Willemsen, Northeastern University, Department of Physics, Boston, MA; P.C. Canfield, B.K. Cho, Iowa State University, Ames Laboratory, Ames, IA; and S. Sridhar, Northeastern University, Department of Physics, Boston, MA.

F3.7 MECHANICAL INVESTIGATION OF FLUX DISSIPATION IN SINGLE-PHASE Hg-SYSTEM HIGH-Tc SUPERCONDUCTORS, W. Tian, J.S. Zhu, J. Li, H.M. Shao and Y.N. Wang, Nanjing University, National Laboratory of Solid State Microstructures, Nanjing, China.

F3.8 MECHANICAL DISSIPATION RELATED TO STRESS-INDUCED DEPINNING OF FLUX LINES, Y.N. Huang, Y.N. Wang, J.S. Zhu and J. Li, Nanjing University, National Laboratory of Solid State Microstructures, Institute for Solid State Physics, Center for Advanced Studies in Science and Technology, Nanjing, China.

F3.9 FC REMANENT MAGNETIZATION AT LOW FIELDS AS A TECHNIQUE FOR THE CHARACTERIZATION OF FLUX PINNING CENTERS IN HIGH-Tc SUPERCONDUCTORS, A. Bokhimi, A. Morales, National University of Mexico (UNAM), Institute of Physics, Mexico, Mexico; L. León, National University of Mexico (UNAM), Faculty of Sciences, Mexico, Mexico; S. Pickart, University of Rhode Island, Department of Physics, Kingston, RI; and F. Dogan, University of Washington, Department of Materials Science and Engineering, Seattle, WA.

F3.10 FLUX CREEP IN A TWO DIMENSIONAL CERAMICS MODEL, D. Agassi and R.D. Bardo, Naval Surface Warfare Center, Carderock Division, Silver Spring, MD.

F3.11 FLUX CREEP STUDIES IN TIBa2Ca3Cu4O11- CRYSTALS, Lu Zhang, California State University, Department of Physics, Turlock, CA; J.Z. Liu, University of California, Department of Physics, Davis, CA; C. Collins, California State University, Department of Physics, Turlock, CA; P. Klavins, and R.N. Shelton, University of California, Department of Physics, Davis, CA.

F3.12 ELECTRONIC POTENTIALS ON SURFACE SITES OF LAYERED COPPER OXIDES, S.A. Prosandeyev and A. Maslennikov, Rostov State University, Department of Physics, Rostov-on-Don, Russia.

F3.13 A DEVIATION FROM COULOMB'S LAW FOR INTERACTING MICROSCOPIC IMPURITIES IN A PEROVSKITE-LIKE LATTICE, S.A. Prosandeyev and A.I. Riabchinski, Rostov State University, Department of Physics, Rostov-on-Don, Russia.

F3.14 NORMAL AND ANOMALOUS BEHAVIORS OF THE ELECTRON RESPONSE IN A LAYERED FERMI GAS, Y.M. Malozovsky and J. D. Fan, Southern University, Department of Physics, Baton Rouge, LA.

F3.15 THE VERTEX FUNCTION IN HIGH-Tc SUPERCONDUCTIVITY: ITS SINGULARITY AND COOPER INSTABILITY, J.D. Fan and Y. M. Malozovsky, Southern University, Department of Physics, Baton Rouge, LA.

F3.16 DETERMINATION OF ATOMS CHARGE STATES IN RBa2Cu3OX CUPRATES (R=Yb, Er, Ho, Y, Gd, Eu, Sm, Nd, Pr, x = 0,1), Vasilii E. Gusakov, Institute of Solid State and Semiconductors Physics, Minsk, Belarus.

F3.17 THE PEROLATIVE BEHAVIOR OF SUPERCONDUCTIVITY AT THE INTERFACE, Akra M. Kechiantz, National Academy of Sciences, Institute for Physical Research, Yerevan, Armenia.

F3.18 GENERALIZED STRING APPROXIMATION IN t-J MODEL, S.N. Karnaukhov, Physical Research Institute, Laboratory for Superconductivity, Rostov-on-Don, Russia.

F3.19 ON QUANTUM PARTITION FUNCTION FOR HUBBARD MODEL, S.N. Karnaukhov, Physical Research Institute, Laboratory for Superconductivity, Rostov-on-Don, Russia.

F3.20 INTRINSICALLY STACKED JOSEPHSON JUNCTIONS PREPARED ON HIGHLY ANISOTROPIC HIGH-Tc SUPERCONDUCTOR THIN FILMS, A. Pfuch, F. Schmidl, H. Schneidewind, E. Heinz and P. Seidel, FSU Jena, Institut für Festkörperphysik, Jena, Germany.


F3.21 ANISOTROPIC TRANSPORT PROPERTIES OF YBa2Cu3Oy SINGLE CRYSTALS, Y. Sato, I. Terasaki and S. Tajima, ISTEC, Superconductivity Research Laboratory, Tokyo, Japan.

F3.22 SIS JUNCTION PREPARED BY LOW TEMPERATURE STM WITH HIGH-Tc SUPERCONDUCTING WHISKER TIP, I. Kawayama, H. Tanaka, M. Kanai, T. Kawai, ISIR-Sanken, Osaka University, Osaka, Japan; D. Matsuura, and H. Miki, Ritsumeikan, Shiga, Japan.

F3.23 EFFECT OF SURFACE LAYER ON TUNNELING CHARACTERISTICS OF OXIDE SUPERCONDUCTORS, H. Srikanth, Northeastern University, Department of Physics, Boston, MA; and A.K. Raychaudhuri, Indian Institute of Science, Department of Physics, Bangalore, India.

F3.24 ACOUSTIC EFFECTS ON (110)-ORIENTED YBa2CU3Ox THIN FILMS, Q.Y. Chen, Z.J. Qu, X.T. Cui and W.K. Chu, University of Houston, Texas Center for Superconductivity, Houston, TX.

F3.25 EFFECT OF OXYGEN DEFECTS IN CuO2 PLANES ON TRANSPORT PROPERTIES AND CRITICAL TEMPERATURE OF YBa2Cu3O6+x THIN FILMS, Sergey K. Tolpygo, J.-Y. Lin, M. Gurvitch, State University of New York at Stony Brook, Department of Physics, Stony Brook, NY; and S.Y. Hou, AT&T Bell Laboratories, Murray Hill, NJ.

F3.26 STUDY ON LATTICE ANOMALIES OF SINGLE-PHASE HgBa2Ca2Cu33O8+ SUPERCONDUCTORS, Q.M. Zhang, H.M. Shao, W. Tian, H.M. Shen and Y.N. Wang, Nanjing University, National Laboratory of Solid State Microstructures, Nanjing, China.

F3.27 DEFECT MECHANISM OF PHOTOINDUCED SUPERCONDUCTIVITY IN YBCO, D.C. Chew, J.F. Federici, W. Savin, New Jersey Institute of Technology, Department of Physics, Newark, NJ; and W. Wilber, Army Research Laboratory, Physical Science Directorate, Fort Monmouth, NJ.

F3.28 SYMMETRY BREAKING AT OXYGEN VACANCIES IN PEROVSKITE-TYPE OXIDES, S.A. Prosandeyev and I.A. Osipenko, Rostov State University, Department of Physics, Rostov-on-Don, Russia.

F3.29 DIRECT EVIDENCE OF PHONON INTERACTION IN THE SUPERCONDUCTING STATE OF YBa2Cu3O7- CRYSTALS, R.P. Sharma, T. Venkatesan, University of Maryland, Center for Superconductivity Research, Department of Physics, College Park, PA; Z.H. Zhang, J.R. Liu, R. Chu and W.K. Chu, University of Houston, Texas Center for Superconductivity, Houston, TX.

F3.30 COMPARATIVE STUDY OF THE ANISOTROPY OF THE CRITICAL CURRENT DENSITY IN BULK TEXTURED AND SINGLE CRYSTAL YBCO, L.M. Fisher, A.V. Kalinov, J. Mirkovic, I.F. Voloshin, S.A. Zver'kov, Russian Electrical Institute, Moscow, Russia; A. Bondarenko, M. Obolenskii, Kharkov State University, Kharkov, Ukraine; V.A. Yampol'skii, Institute for Radiophysics and Electronics Ukr. Academy Science Kharkov, Kharkov, Ukraine; and R.L. Snyder, New York State College of Ceramics at Alfred University, Alfred, NY.

SESSION F4: POINT DEFECTS

F4.1 STRUCTURAL AND SUPERCONDUCTING PROPERTIES OF SUBSTITUTED MS (M = Fe, Ni AND Zn) YBa2Cu3O7-, J. Albino Aguiar, J.M. Ferreira, Alexandre S. Ramos, Leonardo R.E. Cabral, M. Virginia Barbosa, UFPE, Department Fisica, Recife, Brazil; A.C. Pavão, UFPE, DQF, Recife, Brazil; E. Chavira, U.N.A.M., Institute Invest., Materiales, Mexico, Mexico; and E.Z. Kurmaev, Russian Academy of Sciences, Ural Division, Ekaterinburg, Russia.

F4.2 ROLE OF DOPANTS AT THE SUPERCONDUCTOR-METAL INTERFACE, Chao Wei and Sharmila M. Mukhopadhyay, Polytechnic University, Brooklyn, NY.

F4.3 ROLE OF PRASEODYMIUM IN MODIFYING THE CONDUCTIVE BAND OF Y1-xPrxBa2Cu3Oy: STUDY BY THE THERMOPOWER DATA ANALYSIS, E. Vladimirskaya, St. Petersburg Technical University, St. Petersburg, Russia; V. Gasumyants, Université Libre de Bruxelles, Bruxelles, Belgium; and I. Patrina, Institute of Silicate Chemistry, St. Petersburg, Russia.

F4.4 HTSC, M - NM TRANSITION AND ACTIVATED HOPPING CONDUCTIVITY IN FULLY OXYGENATED RBa2Cu3-xCoxOy (R=Y, Eu, Pr AND O<x<1), B. Fisher, J. Genossar, L. Patlagan, G.M. Reisner and A. Knizhnik, Crown Center for Superconductivity, Physics Department Haifa, Israel.

F4.5 THE MICROSTRUCTURE OF (Pr, Ca)1:2:3 COMPOUND PREPARED WITH COPPER-EXCESS, R. Escamilla, T. Akachi, E. Chavira, J. Guzmán, M.A. Leyva and C. Campos, National University of Mexico (UNAM), Instituto de Investigaciones en Materiales, Mexico, Mexico.

F4.6 SUPERCONDUCTING AND NORMAL-STATE TRANSPORT PROPERTIES OF DOUBLE-SUBSTITUTED YBa2Cu3Oy: EXPERIMENT AND INTERPRETATION, V. Gasumyants, R. Deltour, Université Libre de Bruxelles, Physique des Solides, Bruxelles, Belgium; and E. Vladimirskaya, St. Petersburg Technical University, Physics of Semiconductors, St. Petersburg, Russia.

F4.7 DEPENDENCE OF CRITICAL TEMPERATURE Tc () ON OXYGEN NONSTOICHIOMETRY IN YTTRIUM BARIUM CUPRATES: THEORETICAL EXPLANATION, Vasilii E. Gusakov and Alexander P. Saiko, Institute of Solid State and Semiconductors Physics, Minsk, Belarus.

F4.8 THERMAL STABILITY OF HIGH-TEMPERATURE SUPERCONDUCTING PHASES OF YBa2-xMexCu307-y (Me=Sr, Ca) - TYPE, Andrew I. Clyndyuck, Gennady S. Petrov, and Leonid A. Bashkirow, Byelorussian State Technological university, Minsk, Belarus.

F4.9 INFLUENCE OF OXYGEN NONSTOICHIOMETRY ON LnBaSrCu307-y (Ln=Y,EU) STRUCTURE AND ELECTRICAL CONDUCTION, Gennady S. Petrov, Andrew I. Clyndyuck, Leonid A. Bashkirov, Byelorussian State Technological University, Physical and Colloid Chemistry, Minsk, Belarus; Alexey F. Poluyan and Lyudmila A. Tichonova, Byelorussian State University, Physical Chemistry, Minsk, Belarus.

F4.10 ATOMIC ARRANGEMENT AND SUPERCONDUCTIVITY IN Sr- AND Ba- BASED RE(=Y OR Ln) 123 STRUCTURE, S. Watauchi, J. Shimoyama, K. Kishio, University of Tokyo, Department of Applied Chemistry, Tokyo, Japan; K. Kinoshita and T. Yamada, NTT Basic Research Laboratories, Kanagawa, Japan.

F4.11 MID-INFRARED SPECTRA OF YBa2Cu3O: A NEW WAY TO ESTABLISH ITS OXYGEN CONTENT, R. Gómez, M. Quintana, V. Marquina, R. Ridaura, M.L. Marquina, M. Jiménez, S. Aburto, National University of Mexico (UNAM), Facultad de Ciencias, Mexico DF, Mexico; R. Escudero, F. Morales, T. Akachi and R. Escamilla, National University of Mexico (UNAM), Instituto de Investigaciones en Materiales, Mexico, Mexico.

F4.12 INVESTIGATIONS INTO THE PROPERTIES OF YBa2Cu3O7- THIN FILMS USING THERMAL DESORPTION HIGH RESOLUTIONS MASS SPECTROSCOPY, D.E. Pierce and S.C. Tidrow, U.S. Army Research Laboratory, Physical Sciences Directorate, Ft. Monmouth, NJ.

F4.13 Ag DOPING OF Bi2Sr2Ca1Cu2Ox, Thomas A. Deis, N.G. Eror, P. Krishnaraj, M. Lelovic, B. Prorok, University of Pittsburgh, Department of Materials Science and Engineering, Pittsburgh, PA; and U. Balachandran, Argonne National Laboratory, Argonne, IL.

F4.14 SYNTHESIS AND CHARACTERIZATION OF Nd1.85Ce0.15CuxOy, A. Serquis, J. Briático, F. Prado and A. Caneiro, CNEA, Centro Atómico Bariloche, Bariloche, Argentina.

F4.15 EFFECT OF THE OXYGEN AND COPPER CONTENTS ON THE SUPERCONDUCTING BEHAVIOR OF Nd1.85Ce0.15CuxOy, F. Prado, J. Briatico, A. Serquis and A. Caneiro, CNEA, Centro Atómico Bariloche, Bariloche, Argentina.

F4.16 OXYGEN-ION DIFFUSION IN POLYCRYSTALLINE YBa2Cu3O7-X, Akihiko Yamaji, Masami Kanzaki and Makoto Kasahara, Department of Mechanical Engineering, Tokyo Institute of Technology, Tokyo, Japan.

SESSON F5: CONTROLLED DEFECTS FOR FLUX PINNING

F5.1 UNUSUAL LATTICE EXPANSION IN EuBa2Cu3Oy IRRADIATED WITH SWIFT HEAVY IONS, Norito Ishikawa, Akihiro Iwase, Yasuhiro Chimi, Hiroshi Maeta, Japan Atomic Energy Research Institute, Advanced Science Research Center, Tokai-mura, Japan; Koji Tsuru, NTT Interdisciplinary Research Laboratories, Tokai-mura, Japan; and Osamu Michikami, Iwate University, Morioka-shi, Japan.

F5.2 STRUCTURAL FEATURES OF DEFECT CASCADES IN YBa2Cu3Ox AS A FUNCTION OF OXYGEN STOICHIOMETRY, B.G. Storey, L.D. Marks, Northwestern University, Department of Materials Science and Engineering, Evanston, IL; M.A. Kirk, P. Kostic and B.W. Veal, Argonne National Laboratory, Materials Science Division, Argonne, IL.

F5.3 ION IRRADIATION INDUCED AMORPHOUS TRACKS IN YBCO, G. Szenes, Eötvös University, Institute for General Physics, Budapest, Hungary.

F5.4 GAMMA-RAY AND ELECTRON IRRADIATION EXPERIMENTS ON Bi(Pb)-2223 SUPERCONDUCTOR, L.F. Makarenko, Belorussian State University, Department of Applied Mathematics, Minsk, Belarus; V.A. Gurinovich, F.P. Korshunov, V.K. Shesholko, Institute of Solid State and Semiconductor Physics, Minsk, Belarus; I.F. Kononyuk and V.A. Lomonosov, Institute of Inorganic Chemistry, Minsk, Belarus.

F5.5 EFFECT OF 60Co GAMMA IRRADIATION ON GRAIN BOUNDARIES OF YBa2Cu3O7 CERAMICS, Elvira M. Ibragimova, Eldar M. Gasanov, Mahmud Kalanov, Yuri S. Skripnikov, Vladimir N. Sandalov, Anatoly F. Nebesny, Olga Y. Polyak and Anatoly N. Yashin, Institute of Nuclear Physics, Tashkent, Uzbekistan.

F5.6 DEFECT FORMATION AND LUMINESCENCE PROPERTIES OF YBaCuO-CERAMICS, Rano R. Gulamova, Eldar M. Gasanov, Rustam Alimov, Kim Gen Chan and Mahmud Kalanov, Institute of Nuclear Physics, Tashkent, Uzbekistan.

F5.7 EFFECT OF SMALL DOSES IN HTSC CERAMICS, Zafar Karimov, B.L. Oksengendler, E.M. Ibraglmova and E.M. Garanovc, IND, Tashkent, Uzbekistan.

F5.8 DEGRADATION OF THE DIFFERENT MICROSTRUCTURE YBa2Cu3O7- CERAMICS UNDER PROTON AND X-RAY IRRADIATIONS, M.U. Kalanov, M.C. Paizullakhanov and V. Rustamova, Uzbek Academy of Sciences, Institute of Nuclear Physics, Tashkent, Uzbekistan.

F5.9 EFFECT OF NEUTRON IRRADIATION ON SUPERCONDUCTIVITY OF GdBa2Cu3O7-x WITH DIFFERENT Gd ISOTOPES, A.E. Petrov, I.V. Kudrenitskis, A.A. Makletsov and S.V. Stolyarova, Nuclear Research Center, Latvian Academy of Sciences, Salaspils, Lativa.

F5.10 FAST NEUTRON IRRADIATON DEFECTS IN HIGH TEMPERATURE SUPERCONDUCTORS AND THEIR EFFECT ON FLUX PINNING, R.A. Sutton, M.E. McHenry, Carnegie Mellon University, Department of Materials Science and Engineering, Pittsburgh, PA; and K. Sickafus, Los Alamos National Laboratory, Los Alamos, NM.

F5.11 PLASTIC DEFORMATION AND DISLOCATION MECHANISMS IN YBCO, J. Rabier, P.D. Tall, L. Richard and M.F. Denanot, Laboratoire de Métallurgie Physique, Université de Poitiers, Poitiers, France.

F5.12 EFFECT OF DOPING BY LANTHANIDES ON THE STRUCTURE OF MELT-TEXTURED YBCO, I. Rusakova, R.L. Meng, P. Gautier-Pickard and C.W. Chu, University of Houston, Texas Center for Superconductivity, Department of Physics, Houston, TX.

F5.13 HIGH CRITICAL CURRENT DENSITY OF Nd(Ba1-xNdx)2Cu3O7- SINGLE CRYSTALS, T. Egi, Y. Sato, J.G. Wen, Wu Ting, K. Kuroda, H. Unoki, S.I. Yoo, M. Murakami and N. Koshizuka, ISTEC, Superconductivity Research Laboratory, Tokyo, Japan.

F5.14 SYNTHESES AND PROPERTIES OF THE LAYERED CUPRATES NdxY1-xBa2Cu3Oy, Alexander A. Galkin, Galina N. Mazo and Alexander P. Mozhaev, Moscow State University, Department of Chemistry, Moscow, Russia.

F5.15 EXTENDED DEFECTS IN Ba2LnCuO3 (Lu = y, Fr) PRODUCED BY LOW TEMPERATURE REDUCTION WITH Li AND H2, M.A. Alario-Franco, E. Moran, I. Garrote, Universidad Complutense, Dpto. de Quimica Inorganica, Facultad de Ciencias Quimicas, Madrid, Spain; M.A.Senaris-Rodriquez, Universidad de La Coruna, Facultad de Ciencias, Spain; A. Varez, Universidad Carlos III, Dpt. Ingenieria E. Politecnico Superior, Madrid, Spain; and A. Diaz, Lab. de Fisica de Materiales, Fac. de Fisica, Spain.

F5.16 THE ROLE OF PEROVSKITE Ba(Y1/2Nb1/2)O3 ADDITION IN FLUX PINNING OF YBa2Cu3Oy, Emil S. Vlakhov, Bulgarian Academy of Sciences, Institute of Solid State Physics, Sofia, Bulgaria; Yanko B. Dimitriev, Higher Institute of Chemical Technology, Sofia, Bulgaria; Konstantin A. Nenkov, Institute of Solid State Physics, Sofia, Bulgaria; and Kostadinka A. Gesheva, Central Laboratory of Solar Energy and New Energy Sources, Sofia, Bulgaria.

F5.17 FLUX PINNING AND STRUCTURAL DEFECTS IN C-AXIS ORIENTED EPITAXIAL YBa2Cu3O7- THIN FILMS, M. Ye, R. Deltour, J. Schroeder and M. Mehbod, Université Libre de Bruxelles, Service de Physique des Solides, Bruxelles, Belgium.

F5.18 FORMATION OF FINE MgO PARTICLES IN Bi2.1Sr2CaCu20+ HIGH-Tc SUPERCONDUCTOR, Vassili V. Lennikov, Pavel E. Kazin, Yuri D. Tretyakov, Moscow State University, Chemistry Department, Moscow, Russia; and M. Jansen, Institut fuer Anorganische Chemie, Bonn, Germany.

F5.19 ENGINEERED FLUX PINNING CENTRES IN (Bi,Pb)2+X(Sr,Ca)4Cu3010+d (Bi2223 PHASE) CERAMICS, P. Majewski, S. Kaesche and F. Aldinger, Max-Planck-Institut für Metallforschung, Pulvermetallurgisches Laboratorium, Stuttgart, Germany.

SESSION F6: CONTROLLED DEFECTS FOR FLUX PINNING
Chairs: Z. Hiroi and Kenneth Goretta
Tuesday Morning, November 28
Salon G (M)
9:00 A.M. *F6.1
ANALYSES OF STRUCTURAL DEFECTS BY TRANSMISSION ELECTRON MICROSCOPY, Yimei Zhu, Brookhaven National Laboratory, Materials Science Division, Upton, NY.

9:30 A.M. F6.2
VORTEX- AND BOSE-GLASS SUPERCONDUCTIVITY IN YBCO THIN FILMS, G. Nakielski, M. Baumann and J. Kötzler, Universität Hamburg, Institut für Angewandte Physik, Hamburg, Germany.


9:45 A.M. F6.3
FIELD DEPENDENCE OF PROTON-IRRADIATION INDUCED CRITICAL CURRENT ENHANCEMENT IN BULK YBCO MATERIALS, R. Gerbaldo, G. Ghigo, L. Gozzelino, E. Mezzetti, B. Minetti, Politecnico di Torino, Department of Physics, Torino, Italy; and R. Cerubini, L.N.L. - I.N.F.N., Padova, Italy.

10:00 A.M. F6.4
CHANGES IN OXYGEN SUBLATTICE OF YBa2Cu3O7 CRYSTALS AFTER 60Co GAMMA IRRADIATION IN SUPERCONDUCTING STATE, Elvira M. Ibragimova, Olga Yu. Polyak, Anatoly F. Nebasny, Eldar M. Gasanov, INP, Tashkent, Uzbekistan; Marquis A. Kirk, Argonne National Laboratory, Argonne, IL; John Giapintzakis, University of Illinois at Urbana-Champaign, Department of Materials Research, Urbana, IL; A.J. Shamima Chowdhury, Chen Changkang and Michael L. Jenkins, University of Oxford, Department of Materials Research, Oxford, United Kingdom.

10:15 A.M. BREAK

10:45 A.M. *F6.5
FLUX PINNING AND DEFECTS IN MELT-PROCESSED RE123 (RE: Nd, Sm Eu) SUPERCONDUCTORS, Masato Murakami, Sang-Im Yoo, Naomichi Sakai, Francesca Frangi and Takamitsu Higucchi, International Superconductivity Technology Center, Superconductivity Research Laboratory, Tokyo, Japan.

11:15 A.M. *F6.6
EFFECTS OF MECHANICALLY INDUCED DEFECTS AND SUBSEQUENT HEAT TREATMENT ON FLUX PINNING IN CERAMIC SUPERCONDUCTORS, M.J. Kramer, Ames Laboratory, Metallurgy and Ceramics Department, Ames, IA.

11:45 A.M. F6.7
PROBING THE LIMITS OF FLUX PINNING IN A HIGH FIELD LOW TEMPERATURE SUPERCONDUCTOR, E. Kadyrov, A. Gurevich, P. Lee and D. Larbalestier, University of Wisconsin-Madison, Superconductivity, Center, Madison, WI.

SESSION F7: GRAIN BOUNDARIES
Chairs: Matthew Kramer and Masashi Kawasaki
Tuesday Afternoon, November 28
Salon G (M)

1:30 P.M. *F7.1
GRAIN BOUNDARIES IN YBCO FILMS: MICROSTRUCTURE TRANSPORT PROPERTIES AND CONTROLLED EPITAXY, K.L. Merkle and B.V. Vuchic, Argonne National Laboratory, Materials Science Division, Argonne, IL.

2:00 P.M. *F7.2
EVOLUTION OF THE GRAIN BOUNDARY STRUCTURE IN YBa2Cu3O7- FILMS GROWN ON BICRYSTAL SUBSTRATES AND CORRELATION TO PROPERTIES, José A. Alarco, University of Queensland, Centre for Microscopy and Microanalysis, Queensland, Australia.

2:30 P.M. F7.3
MICROSTRUCTURES OF ARTIFICIALLY-INDUCED [[Sigma]]5 GRAIN BOUNDARIES IN YBa2Cu3Ox THIN FILMS GROWN ON SrTiO3 BICRYSTAL SUBSTRATES AT DIFFERENT DEPOSITION RATES, X.F. Zhang, D.J. Miller, Argonne National Laboratory, Materials Science Division, Argonne, IL; and J. Talvacchio, Westinghouse Science and Technology Center, Pittsburgh, PA.

2:45 P.M. F7.4
THE ATOMIC ORIGINS OF THE CRITICAL CURRENT BEHAVIOR OF GRAIN BOUNDARIES IN YBa2Cu3O7- THIN FILMS, N.D. Browning, University of Illinois at Chicago, Department of Physics, Chicago, IL; and S.J. Pennycook, Oak Ridge National Laboratory, Solid State Division, Oak Ridge, TN.

3:00 P.M. F7.5
MAPPING OXYGEN ACROSS GRAIN BOUNDARIES IN YBa2Cu3O7-x THIN FILMS USING PEELS, J.L. Lee, D. Chamberlain, R.A. Buhrman, Cornell University, Department of Materials Science and Engineering, Ithaca, NY; and J. Silcox, Cornell University, Department of Applied and Engineering Physics, Ithaca, NY.

3:15 P.M. BREAK

3:45 P.M. *F7.6
CURRENT-LIMITING EFFECTS OF GRAIN BOUNDARIES IN YBaCuO AND BiSrCaCuO SUPERCONDUCTORS, D.C. Larbalestier, University of Wisconsin, Applied Superconductivity Center, Madison, WI.

4:15 P.M. F7.7
MICROSTRUCTURE OF ~10deg. [001] TILT BOUNDARY IN THIN-FILM AND BULK-SCALE YBa2Cu3O7- BICRYSTALS, I-Fei Tsu, S.E. Babcock, N.F. Heinig, D.C. Larbalestier, R.D. Redwing, J.N. Nordman, University of Wisconsin, Madison, WI; and D.L. Kaiser, National Institute of Standards and Technology, Gaithersburg, MD.


4:30 P.M. F7.8
TRANSPORT PROPERTIES OF SUPERCONDUCTING Bi2Sr2Ca1Cu2O8+ BICRYSTAL GRAIN BOUNDARIES, Qiang Li, Y.N. Tsay and M. Suenaga, Brookhaven National Laboratory, Department of Applied Science, Upton, NY.

4:45 P.M. F7.9
GRAIN BOUNDARY CHARACTER DISTRIBUTION ANALYSIS OF BULK PROCESSED YBa2Cu3O7-, J.Y. Wang, A.H. King, State University of New York, Department of Materials Science and Engineering, Stony Brook, NY; Y.-L. Wang, Y. Zhu and M. Suenaga, Brookhaven National Laboratory, Department of Applied Science, Upton, NY.

POSTER SESSIONS
Tuesday Evening, November 28
8:00 P.M.
America Ballroom (W)

SESSION F8: GRAIN BOUNDARIES

F8.1 ELECTRON MICROSCOPY OF YBa2Cu3O7- GRAIN BOUNDARIES OBTAINED ON STRAIGHT AND WAVY STEP EDGES ON (001) LaAl03 SUBSTRATES, M. Gustafsson, E. Olsson, H.R. Yi, D. Winkler and T. Claeson, Chalmers University of Technology, Department of Physics, Göteborg, Sweden.

F8.2 MIXED ELECTROMAGNETIC COUPLING IN 3deg. TO 15deg. (001) TILT GRAIN BOUNDARIES IN YBa2Cu3Ox BICRYSTAL FILMS ON SrTiO3, N.F. Heinig, University of Wisconsin, Applied Superconductivity Center and Department of Materials Science and Engineering, Madison, WI; R.D. Redwing, University of Wisconsin, Department of Physics, Madison, WI; J.E. Nordman, University of Wisconsin, Department of Electrical and Computer Engineering, Madison, WI; and D.C. Larbalestier, University of Wisconsin, Department of Materials Science and Engineering, Madison, WI.

F8.3 GROWTH, MICROSTRUCTURES AND PROPERTIES OF ENGINEERED GRAIN BOUNDARIES IN YBa2Cu3Ox BULK MATERIALS, V.R. Todt, X.F. Zhang and D.J. Miller, Argonne National Laboratory, Materials Science Division, Argonne, IL.

F8.4 ELECTROMAGNETIC AND MICROSTRUCTURAL STUDIES OF NATURAL-GROWN BULK-SCALE [001] TILT BICRYSTALS OF Bi2Sr2CaCu2O8+x, Jyh-Lih Wang, I-Fei Tsu, X.Y. Cai, R.J. Kelley, S.E. Babcock, D.C. Larbalestier, University of Wisconsin, Madison, Applied Superconductivity Center, Madison, WI; and M.D. Vaudin, National Institute of Standards and Technology, Ceramics Division, Gaithersburg, MD.

F8.5 EXPERIMENTAL EVIDENCE FOR ELECTROMAGNETIC COUPLING INHOMOGENEITY ALONG THE GRAIN BOUNDARY PLANE IN HIGH ANGLE MELT-TEXTURED, YBa2Cu3O6+x BICRYSTALS, Michael B. Field, Alex Pashitski, Anatoli Polyanskii , David C. Larbalestier, University of Wisconsin-Madison, Madison, WI; Apurva S. Parikh and Kamel Salama, University of Houston, Houston, TX.

F8.6 MAGNETO TRANSPORT STUDIES OF YBCO BI-CRYSTAL JUNCTIONS, C. Bonetto, N.E. Israeloff, R. Seed, C. Vittoria and C. Surya, Northeastern University, Department of Electrical and Computer Engineering, Boston, MA.

F8.7 COMPARATIVE STUDY OF UNDOPED AND Ag - DOPED YBa2Cu3O7-x THIN FILMS ON <100> MgO SUBSTRATE, R.D. Vispute, North Carolina State University, Department of Materials Science and Engineering, Raleigh, NC; Ramit Bhandari, C.B. Lee, North Carolina A&T State University, Department of Electrical Engineering, Greensboro, NC; D. Kumar, K. Jagannadham and J. Narayan, North Carolina State University, Department of Materials Science and Engineering, Raleigh, NC.

F8.8 ELECTRICAL NOISE IN THE SUPERCONDUCTING TRANSITION RANGE OF YBa2Cu3O7 THIN FILMS, M. Rajeswari, A. Goyal, A. Kidane, S. Lakeou, University of the District of Columbia, Department of Engineering and Technology, Washington, DC; E.A. Wood, T. Venkatesan, University of Maryland, Center for Superconductivity Research, Department of Physics, College Park, MD; K.S. Harshavardhan and Z. Shi, Neocera Inc., Beltsville, MD.

F8.9 TWIN AND BLOCK STRUCTURE OF THE YBa2Cu3O7-x THIN FILMS STUDIED BY THE X-RAY ANALYSIS, Alexander I. Ruban, Edward M. Rudenko, Nikolai D. Rud and Anatolii I. Ustinov, Institute for Metal Physics, Kiev, Russia.

F8.10 DOMAIN STRUCTURE AND TWIN BOUNDARY MIGRATION IN HIGH TEMPERATURE SUPERCONDUCTING SINGLE CRYSTALS, R. Jayavel, A. Thamizhavel, P. Murugakoothan, and C. Subramanian, Anna University, Crystal Growth Centre, Madram, India.

F8.11 TWINNING IN LARGE GRAINS OF YBa2Cu3O7- AS AFFECTED BY Y2BaCuO5 ADDITION, Manoj Chopra, V.S. Boyko, Columbia University, Henry Krumb School of Mines, New York, NY; R.L. Meng, C.W. Chu, Texas Center of Superconducting Research, Houston, TX; and S.W. Chan, Columbia University, Henry Krumb School of Mines, New York, NY.F8.12 STRUCTURE OF TWIN BOUNDARIES AND ITS EFFECT ON PROPERTIES YBa2Cu3O7-x, Mehmet Sarikaya, J.S. Choi, F. Dogan and R. Kikuchi, University of Washington, Department of Materials Science and Engineering, Seattle, WA.

F8.13 A STUDY OF INTERFACE COUPLING IN SEEDED-MELT TEXTURED YBa2Cu3Ox, Donglu Shi, Krishanu Lahiri, and Sandhya, University of Cincinnati, Department of Materials Science and Engineering, Cincinnati, OH.

F8.14 HIGH SPATIAL RESOLUTION PEELS STUDIES OF THE DENSITY OF HOLE STATES NEAR GRAIN BOUNDARIES IN YBa2Cu3O7-x BICRYSTALS, João L. Vargas, University of Wisconsin-Madison, Applied Superconductivity Center, Madison, WI; N. Zhang, University of Wisconsin, Materials Science and Engineering Department, Madison, WI; D.C. Larbalestier, S.E. Babcock, University of Wisconsin, Applied Superconductivity Center and Materials Science and Engineering Department, Madison, WI; and D.L. Kaiser, National Institute for Standards and Technology, Gaithersburg, MD.

F8.15 GRAIN SIZE AND GRAIN-BOUNDARY PROBLEMS IN THICK YBCO FILMS PREPARED BY PHOTO-ASSISTED MOCVD, Q. Zhong, P.C. Chou, J. Xie and A. Ignatiev, University of Houston, Texas Center for Superconductivity, Houston, TX.

F8.16 JOSEPHSON EFFECT IN YBACuO THIN FILM BRIDGES, Kh.T. Rakhimov, Uzbekistan Academy of Sciences, Institute of Nuclear Physics, Tashkent, Uzbekistan.

F8.17 THE NEW POINT OF VIEW TO THE CALCULATION SURFACE DENSITY OF GRAIN BOUNDARIES ENERGY, M.D. Starostenkov and O.V. Brazovskaya, Altai State Technical University, Barnaul, Russia.

SESSION F9: CONTROLLED SYNTHESIS

F9.1 SCANNING TUNNELING MICROSCOPY (STM) STUDIES ON THE GROWTH MORPHOLOGY OF SUPERCONDUCTING Y0.8Pr0.2Ba2Cu3O7- SINGLE CRYSTALS, P.S. Asoka Kumar, S. Kasiviswanathan, B.K. Mathur, Indian Institute of Technology, Department of Physics, Kharagpur, India; and Veer Singh, Indian Institute of Technology, Department of Physics, Delhi, India.

F9.2 NdBa2Cu307-(Nd123) SINGLE CRYSTAL GROWTH BY THE TRAVELING-SOLVENT FLOATING-ZONE METHOD, K. Kuroda, Y. Matsumura, T. Egi, H. Unoki and N. Koshizuka, Superconductivity Research Laboratory, ISTEC, Tokyo, Japan.

F9.3 LOW OXYGEN STABILITY BOUNDARY AND OXYGEN DIFFUSION IN NdBa2Cu3O6+x PHASE, Alexander A. Galkin, Galina N. Mazo, Alexander P. Mozhaev and Natalya V. Khramova, Moscow State University, Department of Chemistry, Moscow, Russia.

F9.4 CRYSTALLINITY OF YBCO SINGLE CRYSTALS GROWN BY THE MODIFIED PULLING METHOD, Y. Namikawa, M. Egami, S. Koyama and Y. Shiohara, Superconductivity Research Laboratory, Tokyo, Japan.

F9.5 HIGH RESOLUTION CHARACTERIZATION OF STRUCTURAL INHONOGENEITIES IN A CRYSTAL OF YBa2Cu3O7- WITH A SHARP SUPERCONDUCTING TRANSITION, M.S. Osofsky, E.F. Skelton, S.B. Qadri, S.D. Adrian, Naval Research Laboratory, Washington, DC; T. A. Vanderah, National Institute of Standards and Technology, Gaithersburg, MD; S. Anlage, J. Peng, J. Mao, University of Maryland, Center for Superconductivity Research, Physics Department, College Park, MD; J. Halbritter, T. Jacobs and T. Wolf, Kerforschungszentrum Karsruhe, Karsruhe, Germany.

F9.6 STRUCTURE AND SUPERCONDUCTIVE PROPERTIES OF 0.1 - 1.5 um YBa2Cu3O6.82 PARTICLES, A.E. Petrov, I.V. Kudrenitskis, E.P. Sukhovich and S.V. Belogurov, Latvian Academy of Sciences, Nuclear Research Center, Salaspils, Lativa.

F9.7 CRYSTALLOGRAPHIC ORIENTATIONS OF Y2BaCuO5 PATTERN IN MELT-TEXTURED YBa2Cu3O7-y OXIDES, Chan-Joong Kim, Ki-Baik Kim, Il-Hyun Kuk and Gye-Won Hong, Korea Atomic Energy Research Institute, Yusung, Korea.

F9.8 A NEW POLYCRYSTALLINE SEEDING TECHNIQUE USED FOR MAKING MELT-PROCESSED YBCO SUPERCONDUCTORS, Gregory Kozlowski, Wright State University, Physics Department, Dayton, OH; and Charles E. Oberly, Wright Laboratory, WPAFB, OH.

F9.9 THE ROLE OF CERIUM OXIDE IN POLYCRYSTALLINE SEEDING TECHNIQUES USED FOR MAKING MELT-PROCESSED YBCO SUPERCONDUCTORS, Gabriel C. Upton, Gregory Kozlowski, Physics Department, Wright State University, Dayton, OH; and Charles E. Oberly, Wright Laboratory, WPAFB, OH.

F9.10 A FACETED SPHERULITIC GROWTH OF MELT-PROCESSED Y(RE)BCO SUPERCONDUCTORS, Joseph E. Beidelschies, Gregory Kozlowski, Gary C. Farlow, Physics Department, Wright State University, Dayton, OH; and Charles E. Oberly, Wright Laboratory, WPAFB, OH.


F9.11 SYNTHESIS AND MICROSTRUCTURAL DESIGN IN LARGE SINGLE CRYSTAL YBa2Cu3O7-x, Fatih Dogan and Mehmet Sarikaya, University of Washington, Department of Materials Science and Engineering, Seattle, WA.

F9.12 STRIKING FEATURES OF MAGNETIC FIELD TEXTURED RE-BASED 123 AND BI-BASED 2212 SUPERCONDUCTING CERAMICS, M. Ausloos, University of Liège, SUPRAS, Liège, Belgium; and R. Cloots, B6 Chemistry Institute, Liège, Belgium.

F9.13 MICROSTRUCTURE OF MELT TEXTURED Y-123 MATERIAL PROCESSED IN AN ATMOSPHERE EXCHANGED FROM ARGON TO AIR, P. Schätzle, G. Krabbes, W. Bieger and U. Wiesner, IFW Dresden, Dresden, Germany.

F9.14 MELT-TEXTURING OF BULK YBCO HTSC PRODUCT, E.M. Roysenblat, S.I. Yermolina, N.G. Kisel, N.M. Soyko and B.N. Kodess, VNIIMS-Gosstandart, Crystal Metrology Division, Moscow, Russia.

F9.15 MICROSTRUCTURAL EVOLUTION OF HIGH CRITICAL CURRENT DIRECTIONALLY SOLIDIFIED YBa2Cu3Ox BARS, E. Sandiumenge, X. Obradors, N. Vilalta and S. Piñol, Instit de Ciència de Materials de Barcelona, C.S.I.C., Bellaterra, Spain.

F9.16 MICROSTRUCTURE OF PLASTICALLY DEFORMED MELT TEXTURED YBa2Cu3Ox SAMPLES AT HIGH TEMPERATURES BEFORE OXYGENATION, N. Vilalta, Instit de Ciència de Materials de Barcelona, C.S.I.C., Bellaterra, Spain; J. Rabier, Laboratoire de Metallurgie Physique, U.R.A., Poitiers, France; F. Sandiumenge, S. Piñol and X. Obradors, Instit de Ciència de Materials de Barcelona, C.S.I.C., Bellaterra, Spain.

F9.17 MAGNETIC SHIELDING EFFECTS OF HIGH-Tc SUPERCONDUCTING CYLINDER BY USING A HYBRID FERROMAGNETIC CYLINDER, K. Mori and T. Minemoto, Kobe University, Hyogo, Japan; M. Itoh, Kinki University, Department of Electrical Engineering, Osaka, Japan.

F9.18 NONSTOICHIOMETRY OF THE BaCuO2+x PHASE, W. Wong-Ng and L.P. Cook, National Institutes of Standards and Technology, Ceramics Division, Gaithersburg, MD.

F9.19 STRUCTURAL CHARACTERIZATION OF THE Bi16(Sr,Ca)14Ox SOLID SOLUTION, W. Wong-Ng, R.S. Roth, National Institutes of Standards and Technology, Materials Science and Engineering Laboratory, Gaithersburg, MD; B.R. Jarabeck and G.J. McCarthy, North Dakota State University, Chemistry Department, Fargo, ND.

F9.20 SOME COMMENTS ON THE PREPARATION OF HTS BY SOL-GEL PROCESSES, ESPECIALLY BY COMPLEX SOL-GEL PROCESS, A. Deptula, Institute of Nuclear Chemistry and Technology, Warsaw, Poland.

F9.21 PREPARATION OF BSCCO(Pb) SUPERCONDUCTING PHASES, ALSO Li DOPED, FROM THE ACETATE-AMMONIA -ASCORBIC ACID SYSTEMS, BY THE COMPLEX SOL-GEL PROCESS (CSGP), A. Di Bartolomeo, Argonne National Laboratory, Energy Technology Division, Argonne, IL; K.C. Goretta, Institute of Nuclear Chemistry and Technology, Warsaw, Poland; W. Lada, T. Olczak, Argonne National Laboratory, Energy Technology Division, Argonne, IL; A. Di Bartolomeo and A. Brignocchi, ENEA, Rome, Italy.

F9.22 CONTROLLING LIQUID PHASE FORMATION DURING PROCESSING OF Bi-2223 TAPES, Terry G. Holesinger, Joseph M. Johnson, Dave Phillips, John Bingert, J. Yates Coulter, Jeff O. Willis and Dean E. Person, Los Alamos National Laboratory, Los Alamos, NM.

F9.23 PHASE COEXISTENCE AND CRITICAL TEMPERATURES OF THE (Bi,Pb)2Sr2Ca2Cu3Ox PHASE UNDER PARTIAL PRESSURES OF OXYGEN BETWEEN 10- 3 AND 0.21 BAR WITH AND WITHOUT ADDITIONS OF SILVER, Manfred Däumling, Rachid Maad, Andrea Jeremie and René Flükiger, Université de Genève, Département de Physique de la Matière Condensée, Geneve, Switzerland.

F9.24 HIGH TEMPERATURE X-RAY DIFFRACTION STUDIES OF MELTING BEHAVIOR OF A(Bi, Pb)-2223 WIRE PRECURSOR ON A SILVER SUBSTRATE, A.R. Drews, James P. Cline, T. Vanderah, National Institutes of Standards and Technology, Ceramics Division, Gaithersburg, MD; and K. Salazar, Los Alamos National Laboratory, Los Alamos, NM.

F9.25 UPPER LIMIT POINT TO MAINTAIN HIGH Tc OF Bi OXIDE SAMPLE CONTEMPORARY APPEARED ABOVE 110 K, Yuichi Kawaguchi, Kaoru Usui, Takashi Uemura, Yuji Ohmori, Hiroyuki Izumi, Mineki Ogata, Junichi Kawano, Kazuya Oguri and Yoshitake Nishi.

F9.26 THERMOELECTRIC POWER OF THE HIGH-TC Bi OXIDE, Yuji Ohmori, Kazuya Oguri, Katsuhiro Fujita, Motoi Takahashi, Hironori Jingu and Yoshitake Nishi, Tokai University, Department of Materials Science, Kanagawa, Japan.

F9.27 INFLUENCE OF SILVER MIRROR REACTION ON Tc OF BI-OXIDE, Hiroko Yamamoto, Kiyotaka Mori, Youji Hiraiwa, Takahiro Kubo, Kouji Ishizuka, Kazuya Oguri and Yoshitake Nishi, Tokai University, Department of Materials Science, Kanagawa, Japan.

F9.28 RESISTANCE SINGULARITIES CAUSED BY PRESENCE OF MINORITY PHASES IN Bi-2212 PHASE SUPERCONDUCTING CERAMICS: Tc DEPENDENCE VERSUS NUMBER OF Cu-O PLANES, E. Shatkovskis, I. Cockauskas, V. Pyragas and L. Dapkus, Semiconductor Physics Institute, Vilnius, Lithuania.

F9.29 SUPERCONDUCTING CERAMIC RINGS PREPARATION BY PLASMA SPRAY METHOD: COMPOSITION AND PROPERTIES, Yakov A. Korolev, Elena D. Reznikova, Vladimir B. Zenkevich, Institute for High Temp., Moscow, Russia; and Vacility I. Kalihta, Institute Metallurgy, Russian Academy of Sciences, Moscow, Russia.

F9.30 TWO-COMPOUND SYNTHESES OF SINGLE LAYER THALLIUM SUPERCONDUCTORS, Phillip G. Wahlbeck, Wichita State University, Department of Chemistry and National Institute for Aviation Research, Wichita, KS; Eric J. Peterson, Dean E. Peterson and J.O. Willis, Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, NM.

F9.31 THE EFFECT OF OXYGEN STOICHIOMETRY ON STRUCTURE AND SUPERCONDUCTING TRANSITION TEMPERATURE IN Tl-1234, Tl-2201, Tl-2212 AND Tl-2223, Alexandr I. Akimov, Alexandr M. Petrenko and Galina K. Savchuk, Institut of Physics of Solids State and Semiconductors, Minsk, Belarus.

F9.32 THE SYNTHESIS AND CHARACTERIZATION OF (Tl0.8Bi0.2)(Sr1.6Ba0.4)Ca2Cu3O9- SUPERCONDUCTOR, N.H. Hur, Oak Ridge National Laboratory, Oak Ridge, TN and University of Tennessee, Department of Physics, Knoxville, TN; B.C. Chakoumakos, M. Paranthaman, Oak Ridge National Laboratory, Oak Ridge, TN; J.R. Thompson, Oak Ridge National Laboratory, Oak Ridge, TN and University of Tennessee, Department of Physics, Knoxville, TN; and D.K. Christen, Oak Ridge National Laboratory, Oak Ridge, TN.

F9.33 CRITICAL CURRENT DENSITY AND MICROSTRUCTURE OF 7-8 um THICK SPRAY PYROLYZED FILMS OF TlBa2Ca2Cu3Oy, A. Mogro-Campero, P.J. Bednarczyk, Y. Gao, R.B. Bolon, J.E. Tkaczyk and J.A. DeLuca, General Electric R&D Center, Schenectady, NY.

SESSION F10: Hg-BASED AND NEW COMPOUNDS

F10.1 SYNTHESIS OF RE-DOPED HgBa2Can-1CunOy(n=1~4), E. Watanabe, J. Shimoyama and K. Kishio, University of Tokyo, Department of Applied Chemistry, Tokyo, Japan.

F10.2 STABILIZATION OF HgBa2Ca2Cu3O8+ SUPERCONDUCTOR BY HAOLGEN, R.L. Meng, B.R. Hickey, Y. Cao, Y.Y. Sun, Y.Y. Xue and C.W. Chu, Texas Department of Physics and Center for Superconductivity at the University of Houston, Houston, TX.

F10.3 C-CONTAMINATION EFFECTS IN HgBa2Can-1Cun3Oy, Y.Y. Sun, Y.Y. Xue, Q.M. Lin, Y. Cao, A. Hamed, Q. Xiong, P.H. Hor and C.W. Chu, University of Houston, Texas Center for Superconductivity and Department of Physics, Houston, TX.

F10.4 PREPARATION OF GEL PRECURSORS FOR SYNTHESIS OF MERCURY-BASED SUPERCONDUCTING CUPRATES FROM ACIDIC ACETATE - AQUEOUS AMMONIA SYSTEMS, A. Deptula, T. Olczak, W. Lada, Institute of Nuclear Chemistry and Technology, Warsaw, Poland; A. Brignocchi and A.Di Bartolomeo, C.R.E. Casaccia, ENEA, Rome, Italy.

F10.5 SOL-GEL PREPARATION OF OXIDE PRECURSORS FOR SYNTHESIS OF HgBa2CaCu2O6+8 AND HgBa2Ca2Cu3O8+8, A.Kareiva, and I. Bryntse, Stockholm University, Arrhenius Laboratory, Department of Inorganic Chemistry, Stockholm, Sweden.

F10.6 SYNTHESIS AND MICROSTRUCTURAL CHARACTERIZATION STUDIES OF HgBa2Can-1CunOx SUPERCONDUCTORS WITH A METALLIC SUBSTRATE, Kathleen M. Amm, Christian H. Wolters, Justin Schwartz, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL.

F10.7 GROWTH OF HIGH-Tc PHASE, FLUX PINNING AND IRREVERSIBILITY FIELD OF THE Hg0.66Pb0.84Ba2Ca1.98Cu2.97O8.4 SUPERCONDUCTOR, H.M. Shao, Nanjing University, National Laboratory of Solid State Microstructures, Nanjing, China; C.C. Lam, K.C. Hung, City University of Hong Kong, Department of Physics and Materials Science, Hong Kong; Y.M. Cai, Z. Wu, Nanjing University of Chemical Technology, Nanjing, China; and X.X. Yao, Nanjing University, National Laboratory of Solid State Microstructures, Nanjing, China.

F10.8 TEM OBSERVATION OF DEFECTS IN THE NEARLY SINGLE-PHASE SAMPLE OF HgBa2Ca2CuaO8+ SUPERCONDUCTOR, H.M. Shao, Nanjing University, National Laboratory of Solid State Microstructures, Nanjing, China; S.D. Wang, Southeast University, Analytical Center, Nanjing, China; Y.M. Cai, Nanjing University of Chemical Technology, Nanjing, China; C.C. Lam, City University of Hong Kong, Department of Physics and Materials Science, Hong Kong; G.J. Shen, Southeast University, Analytical Center, Nanjing, China; and L.J. Shen, Nanjing University of Chemical Technology, Nanjing, China.


F10.9 IRREVERSIBILITY LINE FOR Pb- AND Fe-DOPED SINGLE-PHASE Hg-Ba-Ca-Cu-O HIGH-Tc SUPERCONDUCTORS, W. Tian, H.M. Shao, J.S. Zhu and Y.N. Wang, Nanjing University, National Laboratory of Solid State Microstructures, Nanjing, China.

F10.10 GROWTH, FLUX PINNING AND IRREVERSIBILITY LINE IN HIGH-Tc SUPERCONDUCTOR OF Hg0.66Pb0.34Ba2Ca1.98Cu2.97O8.4, Cheung Ching Lam, K.C. Hung, H.Y. Lai, City University of Hong Kong, Physics and Material Science, Hong Kong; and H.M. Shao, Nanjing University, Department of Physics, Nanjing, China.

F10.11 INFLUENCE OF SMALL GAS PRESSURE ON Tc OF Hg-BASED SUPERCONDUCTORS, Kazuya Oguri, Ayumu Yazawa, Yasumitsu Tanaka, Chiho Seshimo and Yoshitake Nishi, Tokai University, Department of Materials Science, Kanagawa, Japan.

F10.12 SYNTHESIS, STRUCTURE AND SUPERCONDUCTIVITY OF AgxHgBa2CuO4+d (0 < x <0.35) COMPOUNDS, H.R. Khan and O. Loebich, Forschungsinstitut für Edelmetalle u. Metallchemie, Gmünd, Germany.

F10.13 PREPARATION AND SUPERCONDUCTIVITY IN Tl(Sr2-xRx)CaCu2O7- (R=RARE EARTHS), W.H. Lee, D.C. Wang and M.R. Yeh, National Chung Cheng University, Department of Physics, Taiwan.

F10.14 HIGH PRESSURE SYNTHESIS, CRYSTAL GROWTH AND SUPERCONDUCTING PROPERTIES FOR THE Sr-Cu-O SYSTEM, P.D. Han, L. Chang and D.A. Payne, University of Illinois at Urbana-Champaign, Department of Materials Science and Engineering, Seitz Materials Research Laboratory, The Science and Technology Center for Superconductivity, Urbana, IL.

F10.15 DEFECT PROPERTIES OF COPPER OXYHALIDE SUPERCONDUCTORS, C. Ananthamohan and M.S. Islam, University of Surrey, Department of Chemistry, Guildford, United Kingdom.

F10.16 DEFECT STRUCTURE AND OXYGEN ION MIGRATION IN THE MERCURY-BASED SUPERCONDUCTORS, M.S. Islam, L.J. Winch and C. Ananthamohan, University of Surrey, Department of Chemistry, Guildford, United Kingdom.

F10.17 SEARCH FOR SUPERCONDUCTIVITY IN (Na/Sr)-(Na/K/Rb)-Bi-O SYSTEM, B. Jayaram, R. Hallett, J. Ulanday, University of Nebraska at Omaha, Department of Physics, Omaha, NE; and J.R. Hardy, University of Nebraska-Lincoln, Department of Physics and Astronomy, Lincoln, NE.

F10.18 TRANSPORT AND TUNNELING MEASUREMENTS IN BOROCARBIDES, A. Andreone, F. Fontana, M. Iavarone, V. Persico and R. Vaglio, Università di Napoli "Frederico II", INFM-Dipartimento di Scienze Fisiche, Napoli, Italy.

F10.19 LuBCO THIN FILMS OBTAINED BY SINGLE SOURCE MOCVD, O.Yu. Gorbenko, S.V. Samoyklenkov, Ya.A. Rebane and A.R. Kaul, Moscow State University, Department of Chemistry, Moscow, Russia.

F10.20 FORMATION OF THE SUPERCONDUCTING HgBa2Ca2Cu3O+x THIN FILMS BY PULSED LASER DEPOSITION AND ION IMPLANTATION, X.S. Wu, H.M. Shao, S.S. Jiang, Nanjing University, National Laboratory of Solid State Microstructures and Center for Advanced Studies in Science and Technology of Microstructures, Nanjing, China; Y.M. Cai, L.J. Shen, Z. Wu, Nanjiang Institute of Chemical Technology, Nanjing, China; D.W. Wang and Z.H. Wu, BSRL, Institute of High Energy, Beijing, China.

SESSION F11: ARTIFICIAL STRUCTURES
AND HETEROSTRUCTURES

F11.1 PLANARIZATION OF PATTERNED YBa2Cu3O7-X THIN FILMS WITH SrTiO3 BY DUAL ION BEAM ASSISTED DEPOSITION, Kamala J. Crawley, Neville Sonnenberg and Michael J. Cima, Massachusetts Institute of Technology, Ceramics Processing Research Laboratory, Cambridge, MA.

F11.2 CONTROL OF BI-AXIAL TEXTURE OF MgO THIN FILMS BY ION BEAM ASSISTED DEPOSITION (IBAD), K.B. Do, C.P. Wang, A.F. Marshall, T.H. Geballe, M.R. Beasley and R.H. Hammond, Stanford University, Ginzton Laboratory, Stanford, CA.

F11.3 INFLUENCE OF GROWTH PROCEDURE AND BUFFER LAYERS ON THE MICROSTRUCTURE AND ELECTRICAL PROPERTIES OF MgO/YBCO THIN FILM HETEROSTRUCTURES ON LaAlO3, Muralidhar R. Rao, Superconductor Technologies Inc., Santa Barbara, CA.

F11.4 ANISOTROPY AND FLUX PINNING IN A-AXIS ORIENTED EuBa2Cu3O7/PrBa2Cu3O7 SUPERCONDUCTING SUPERLATTICES, M. Vélez, Universidad Complutense, Fisica de Materiales, Madrid, Spain; E.M. González, CSIC, ICM, Madrid, Spain; J.I. Martin and J.L. Vicent, Universidad Complutense, Fisica de Materiales, Madrid, Spain.

F11.5 HRTEM STUDY OF THE GROWTH OF TRILAYERED FILMS OF YBCO/LaAlO3/YBCO ON LaAlO3 AND YBCO/Nd2CuO4/YBCO ON LaSrGaO4 BY PLD, Y.H. Li, A.E. Staton-Bevan, J.A. Kilner, Imperial College, Department of Materials, London, United Kingdom; Z. Trajanovic and T. Venkatesan, University of Maryland, Department of Physics, Baltimore, MD.

F11.6 EPITAXIAL ARRANGEMENTS AND INTERFACES IN HETEROSTRUCTURES OF COPPER-OXIDE-BASED ISOTROPIC METALLIC OXIDES, R.A. Rao, Q. Gan and C.B. Eom, Duke University, Department of Mechanical Engineering and Materials Science, Durham, NC.

F11.7 CHARGE TRANSFER ENHANCEMENT ON Tc IN (Bi2Sr2Ca4Cu5O14+5)(BI2Sr2CuO6+1)1 SUPERLATTICES (2245/2201) PREPARED BY SEQUENTIAL RF MAGNETRON SPUTTERING, Takeshi Hatano and Keikichi Nakamura, National Research Institute for Metals, Ibaraki, Japan.

F11.8 INFLUENCE OF THE MICROSTRUCTURE ON THE LOCAL ELECTROCHEMICAL OXYGEN INTERCALATION AND SUPERCONDUCTIVITY IN La2CuO4+ THIN FILMS, F. Arrouy, Anorganisch-Chemisches Institut der Universität Zürich, Zürich, Switzerland, and IBM Research Division, Zurich Research Laboratory, Rüschlikon, Switzerland; J.-P. Locquet, IBM Research Division, Zurich Research Laboratory, Rüschlikon, Switzerland; E.J. Williams, IBM Research Division, Zurich Research Laboratory, Rüschlikon, Switzerland, and Université de Genève, Département de Physique de la Matière Condensée, Genève, Switzerland; and E. Mächler, IBM Research Division, Zurich Research Laboratory, Rüschlikon, Switzerland.

F11.9 INVESTIGATION OF INTERMEDIAL INSULATING LAYERS OF HETEROSTRUCTURES BASED ON YBaCuO - Si, A.V. Boiko, Vasiley V. Il'chenko, G.V. Kuznetsov, and V.V. Skurskiy, Kiev University, Kiev, Ukraine.

SESSION F12: THIN FILM DEVICES

F12.1 THE MICROSTRUCTURE OF YBCO/SrRuO3/YBCO JOSEPHSON JUNCTIONS, Y. Huang, K.L. Merkle, Argonne National Laboratory, Argonne, IL; and K. Char, Conductus Inc., Sunnyvale, CA.

F12.2 EPITAXIAL HIGH-Tc SNS EDGE JUNCTIONS USING SPUTTERED Ca, Co, AND Pr-DOPED-YBCO NORMAL METAL LAYERS,B.D. Hunt, M.G. Forrester, J.D. McCambridge and J. Talvacchio, Westinghouse STC, Pittsburgh, PA.

F12.3 HIGH PERFORMANCE JOSEPHSON JUNCTIONS AND DC SQUIDS USING RAMP-EDGE SNS STRUCTURES, O.X. Jia, X.D. Wu, D.W. Reagor, S.R. Foltyn, C. Mombourquette, R.J. Houlton, I.H. Campbell and D.E. Peterson, Los Alamos National Laboratory, Superconductivity Technology Center, Los Alamos, NM.

F12.4 AFM STUDIES OF ION BEAM ETCHED RAMPS IN ReBa2Cu3O7, Guus J.H.M. Rijnders, Dave H.A. Blank, Martin A.J. Verhoeven, Richard Moerman and Horst Rogalla, University of Twente, Department of Applied Physics, Enschede, Netherlands.

F12.5 CHARACTERISTICS OF YBCO EDGE-JUNCTION SQUIDS, R.A. Altman, R.B. Laibowitz, W.J. Gallagher, S.L. Brown, IBM Research Division, Yorktown Heights, NY; and D.K. Lathrop, Quantum Magnetics, San Diego, CA.

F12.6 FABRICATION AND CHARACTERISTICS OF a-c YBCO JUNCTIONS, S. Mahajan, D.B. Buchholz, J. Lei, T. Hogan, S.N. Song, C.W. Kannewurf and R.P.H. Chang, Northwestern University, Evanston, IL; and J. Eckstein, Varian Associates, Palo Alto, CA.

F12.7 YBCO FILM GROWTH ON Si SUBSTRATES FOR JOSEPHSON JUNCTION FABRICATION, L.R. Vale, R.H. Ono, D.A. Rudman, National Institute of Standards and Technology, Boulder, CO; P.A. Rosenthal, J.E. Cosgrove and D.B. Fenner, Advanced Fuel Research, East Hartford, CT.

F12.8 OPTIMIZATION OF EX-SITU PROCESSING FOR FABRICATION OF EPITAXIAL MULTILAYER HTS FLUX TRANSFORMERS, M. Teepe, L. King, M. Burns, R. Cantor, V. Vinetskiy and L.P. Lee, Conductus, Inc., Sunnyvale, CA.

F12.9 D.C. MAGNETIC FIELD EFFECTS ON THE MICROWAVE POWER DEPENDENCE OF YBa2Cu3O7-x THIN-FILM JOSEPHSON EDGE JUNCTIONS, Y.M. Habib, Massachusetts Institute of Technology, Department of Physics, Cambridge, MA and Massachusetts Institute of Technology, Lincoln Laboratory, Lexington, MA and Rome Laboratory, Hanscom, MA; D.E. Oates, Massachusetts Institute of Technology, Department of Physics, Cambridge, MA and Massachusetts Institute of Technology, Lincoln Laboratory, Lexington, MA; G. Dresselhaus, Massachusetts Institute of Technology, Department of Physics, Cambridge, MA and Rome Laboratory, Hanscom, MA; M.S. Dresselhaus, Massachusetts Institute of Technology, Cambridge, MA; G. Koren and E. Polturak, Technion-Israel Institute of Technology, Department of Physics, Haifa, Israel.

F12.10 CHARACTERIZATION OF YBa2Cu3Ox THIN FILMS BY DEFECTS AND THE CORRELATION TO MICROWAVE PERFORMANCES, Hiroki Hoshizaki, Nobuyoshi Sakakibara and Yoshiki Ueno, Advanced Mobile Telecommunication Technology Inc., R&D Division, Aichi, Japan.

F12.11 FLUX PENETRATION IN PATTERNED Y1Ba2Cu3O7- FILMS, Balam A. Willemsen, Northeastern University, Department of Physics, Boston, MA, and Rome Laboratory, Hanscom AFB, MA; John S. Derov, Rome Laboratory, Hanscom AFB, MA; and S. Sridhar, Northeastern University, Department of Physics, Boston, MA.

F12.12 HIGH TEMPERATURE SUPERCONDUCTING BOLOMETERS ON YSZ MEMBRANES, Ann S. Hirahara, Kookrin Char, Stuart J. Berkowitz, Conductus Inc., Sunnyvale, CA; and Erich Grossman, National Institute of Standards and Technology, Boulder, CO.

F12.13 STRUCTURAL AND MAGNETIC STUDIES OF MATERIALS FOR FLUX-FLOW CHANNELS IN YBCO FILMS, D.M. Potrepka, J.I. Budnick, University of Connecticut, Department of Physics, Storrs, CT; and D.B. Fenner, AFR, Inc., East Hartford, CT.

F12.14 A NEW HIGH Tc SUPERCONDUCTING WEAK LINK SWITCH, H. Jiang, A.J. Drehman, S. Mittleman, J. Derov and D. Hayes, Rome Laboratory, Hanscom AFB, MA.

F12.15 DYNAMICS OF CHARGING EFFECTS IN YBa2Cu3O7- ULTRATHIN FILMS, V. Talyansky, S.B. Ogale, I. Takeuchi, C. Doughty and T. Venkatesan, University of Maryland, Center for Superconductivity Research, Department of Physics, College Park, MD.

F12.16 DLTS - SPECTROSCOPY OF GdBaCuO - SILICON CONTACTS, V.S. Nevolin, V.A. Skryshevsky and Taras Shevchenko, Kiev University, Radiophysics Department, Kiev, Ukraine.

F12.17 CONTROLLING SURFACE MORPHOLOGY AND PROPERTIES OF HIGH TEMPERATURE SUPERCONDUCTING MATERIALS BY CHEMICAL ETCHING, Jie Liu, Jinlin Huang and Charles M. Lieber, Harvard University, Chemistry Department and Division of Applied Sciences, Cambridge, MA.


JOINT SESSION F13/G9: SUPERCONDUCTING THIN FILM
GROWTH AND MICROSTRUCTURE I
Chairs: Michael Siegel and David S. Phillips
Wednesday Morning, November 29
Salon G (M)

Concurrent with Session F14

8:30 A.M. *F13.1/G9.1
GROWTH AND TRANSPORT PROPERTIES OF TUNNELING BARRIERS IN HTS DEVICES, G.J. Gerritsma, M.A.J. Verhoeven, R. Moerman and H. Rogalla, University of Twente, Department of Applied Physics, AE Enschede, Netherlands.

9:00 A.M. F13.2/G9.2
HIGH TEMPERATURE SUPERCONDUCTING STEP-EDGE SNS JOSEPHSON JUNCTIONS ON SILICON SUBSTRATES, P.A. Rosenthal, J.E. Cosgrove, D.B. Fenner, Advanced Fuel Research Inc., East Hartford, CT; L.R. Vale, R.H. Ono and D.A. Rudman, National Institutes of Standards and Technology, Boulder, CO.

9:15 A.M. F13.3/G9.3
HIGH QUALITY EPITAXIAL YBCO THIN FILMS BY PLD ON GARNET SUBSTRATES, A. Piqué, K.S. Harshavardhan, J. Moses, Neocera Inc., Beltsville, MD; V. Pendrick, E.J. Denlinger, D. Kalokitis and A. Fathy, David Sarnoff Research Center, Princeton, NJ; R. Ramesh, R.P. Sharma and M. Rajeswari, University of Maryland, Center for Superconductivity Research, Physics Department, College Park, MD.

9:30 A.M. F13.4/G9.4
FERROELECTRIC THIN FILMS FOR FREQUENCY TUNABLE MICROWAVE DEVICES, C.H. Mueller, R.E. Treece, T. Rivkin, X. He, J.B. Thompson, G.A. Koepf, R.M. Yandrofski, Superconducting Core Technologies, Golden, CO; M. Dalberth, C.A. Rogers, University of Colorado, Boulder, CO; F.A. Miranda, NASA Lewis Research Center, Cleveland, OH; L.A. Knauss and J.S. Horwitz, Naval Research Laboratory, Washington, DC.

9:45 A.M. F13.5/G9.5
NONLINEAR DIELECTRIC THIN FILMS FOR ACTIVE AND ELECTRICALLY TUNABLE MICROWAVE DEVICES, A.T. Findikoglu, Q.X. Jia, D.W. Reagor and W.D. Wu, Los Alamos National Laboratory, Superconductivity Technology Center, Los Alamos, NM.

10:00 A.M. F13.6/G9.6
MODIFICATION OF EPITAXIAL OXIDE FILMS WITH ION IMPLANTATION DOPING, S.H. Hong, J.R. Miller, Q.Y. Ma, E.S. Yang, Columbia University, Department of Electrical Engineering, New York, NY; D.B. Fenner, AFR Inc., East Hartford, CT; C.Y. Yang, Santa Clara University, Microelectronics Laboratory, Santa Clara, CA; and J.I. Budnick, University of Connecticut, Department of Physics, Storrs, CT.

10:15 A.M. BREAK


10:45 A.M. F13.7/G9.7
CRITICAL CURRENT DENSITY ABOVE 2 MA/CM2 UNDER 5 TESLA MAGNETIC FIELD IN HG-BASED CUPRATE THIN FILMS, S.H, Yun, J.Z. Wu, A. Ray, A. Gapud and B.W. Kang, University of Kansas, Department of Physics and Astronomy, Lawrence, KS.

11:00 A.M. F13.8/G9.8
EVOLUTION OF DEFECTS VIA CONTROLLED GROWTH AND POST-PROCESSING OF TlBa2CaCu2O7 THIN FILMS FOR IMPROVED SUPERCONDUCTING PROPERTIES, M.P. Siegal, E.L. Venturini, P.P. Newcomer, D.L. Overmeyer, F. Dominguez, B. Morosin and R. Dunn, Sandia National Laboratories, Albuquerque, NM.

11:15 A.M. F13.9/G9.9
MICROSTRUCTURE OF ANNEALED Tl-1212 THIN FILMS WITH ENHANCED CRITICAL CURRENT DENSITIES, P.P. Newcomer, M.P. Siegal and E.L. Venturini, Sandia National Laboratories, Albuquerque, NM.

11:30 A.M. F13.10/G9.10
INFLUENCE OF COMPOSITIONAL AND PROCESS VARIATIONS ON THE NUCLEATION AND GROWTH OF POST DEPOSIT PROCESSED EPITATIC 2122 TBCCO THIN FILMS ON LaAlO3, Michael M. Eddy, Gregory G. Firpo, Superconductor Technologies Inc., Santa Barbara, CA.

11:45 A.M. F13.11/G9.11
THE INFLUENCE OF WEAK LINKS AND OXYGEN DEFICIENCY ON ELECTRICAL PROPERTIES OF Bi-2212 AND Tl-2212 HTS THIN FILMS, Jon L. Schindler, Carolyn R. Duran, Bruce J. Hinds, Bruce W. Wessels, Tobin J. Marks and Carl R. Kannewurf, Northwestern University, Science and Technology Center for Superconductivity, Evanston, IL.

SESSION F14: CONTROLLED BULK SYNTHESIS
Chairs: Amit Goyal and Justin Schwartz
Wednesday Morning, November 29
Salon J/K (M)


Concurrent with Session F13/G9

8:30 A.M. *F14.1
MECHANISM OF Bi,Pb(2223) PHASE FORMATION INSIDE Ag SHEATHED TAPES AND IMPLICATIONS FOR TAPE PROCESSING, R. Flükiger, G. Grasso, J.C. Grivel, B. Hensel and A. Jeremie, Department of Physics, Material Condensée, Genève, Switzerland.

8:45 A.M. *F14.2
STUDY ON MELT PROCESSING LONG LENGTHS OF AG-SHEATHED 2212 TAPE, W. Zhang, J. Reeves, M. Polak, E.E. Hellstrom and D.C. Larbalestier, University of Wisconsin-Madison, Department of Materials Science and Engineering, and Applied Superconductivity Center, Madison, WI.

9:00 A.M. F14.3
Al2O3 ADDITIONS FOR MELT PROCESSING OF Bi2Sr2CaCu2Oy, Terry G. Holesinger, J. Yates Coulter, Hugo Safar, Dave Phillips, Joseph M. Johnson, John Bingert, James L. Smith and Dean E. Peterson, Los Alamos National Laboratory, Los Alamos, NM.

9:15 A.M. F14.4
A STUDY OF KINETIC MECHANISMS FOR THE Bi(2:2:1:2) TO Bi(2:2:2:3) PHASE CONVERSION IN POWDER-IN-TUBE PROCESSED Bi(2:2:2:3)/Ag TAPES, Y.L. Wang, H. Wiesmann, D.O. Welch, M. Suenaga, Brookhaven National Laboratory, Department of Applied Science, Upton, NY; and T. Thurston, Brookhaven National Laboratory, Department of Physics, Upton, NY.

9:30 A.M. F14.5
LAYER-RIGIDITY MODEL AND THE MECHANISM FOR ION-DIFFUSION-CONTROLLED KINETICS IN THE BISMUTH CUPRATE 2212-TO-2223 TRANSFORMATION, Zhi-Xiong Cai, Yimei Zhu and David O. Welch, Brookhaven National Laboratory, Upton, NY.

9:45 A.M. F14.6
GLASS PRECURSOR ROUTES FOR BI-BASED 2223 SUPERCONDUCTING CERAMICS, R. Cloots, S. Stassen, P. Rouxhet, N. Mineur, University of Liège, SUPRAS, Liège, Belgium; A. Rulmont, B6 Chemistry Institute, Liège, Belgium; A. Vanderschueren, Ph. Vanderbemeden, University of Liège, SUPRAS, Liège, Belgium; H.W. Vanderschueren, B28 Montefiore Electricity Institute, Liège, Belgium; and M.Ausloos, B5 Physics Institute Liège, Belgium.

10:00 A.M. BREAK

10:30 A.M. *F14.7
INFLUENCE OF POWDER COMPOSITION AND PROCESSING PARAMETERS ON PHASE FORMATION AND CRITICAL CURRENT DENSITY OF Ag SHEATHED TI-1223 TAPES, S. Wu, M. Ciszek, W. Zhou, B.A. Glowachi, W.Y. Liang, University of Cambridge, IRC in Superconductivity, Cambridge, United Kingdom; R. Abraham and M. Th Cohen-Ada, Université, Laboratoire PCM2-PCML, Lyon, France.

10:45 A.M. F14.8
PROPERTIES OF SUPERCONDUCTING Tl1223 DEPOSITS ON POLYCRYSTALLINE SUBSTRATES, D.K. Christen, Q. He, M. Paranthaman, C.E. Klabunde, R. Feenstra, A. Goyal, F.A. List, D.M. Kroeger, Oak Ridge National Laboratory, Oak Ridge, TN; J.E. Tkaczyk, J.A. Deluca, General Electric Corporation R&D, Schenectady, NY; Z.F. Ren, C.A. Wang and J.H. Wang, SUNY Buffalo, Buffalo, NY.

11:00 A.M. F14.9
NONSTOICHIOMETRY IN THE THALLIUM-1223 PHASE, L.P. Cook, W. Wong-Ng and L.H. Bennett, National Institutes of Standards and Technology, Materials Science and Engineering Laboratory, Gaithersburg, MD.

11:15 A.M. F14.10
INHOMOGENEOUS DISTRIBUTION OF 211 INCLUSIONS IN MELT TEXTURED Y-123 MATERIALS - GENERATING PROCESSES AND CONTROL, G. Krabbes, P. Schätzle, W. Bieger, G. Stöver, IFW Dresden, Dresden, Germany; M. Wu, K. Fischer and P. Görnert, IPHT Jena, Jena, Germany.

11:30 A.M. F14.11
EFFECT OF OXYGEN PARTIAL PRESSURE ON PHASES AND MICROSTRUCTURES OF MELT-QUENCHED GdBa2Cu3Oy, M. Takahashi, N. Sakai, S. Goshima, S.I. Yoo and M. Murakami, ISTEC, Superconductivity Research Laboratory, Tokyo, Japan.

11:45 A.M. F14.12
MICROSTRUCTURAL CONTROL AND CRITICAL CURRENT ENHANCEMENT OF MELT TEXTURED YBCO HIGH TEMPERATURE SUPERCONDUCTING MATERIALS, Karina Rigby, Hua Shen, Tae-Hyun Sung, John S. Haggerty, Merton C. Flemings, Michael J. Cima, Massachusetts Institute of Technology, Department of Materials Science and Engineering, Cambridge, MA; and Shoichi Honjo, Tokyo Electric Power Company, Power Engineering R&D, Yokohama, Japan.

JOINT SESSION F15/G10: SUPERCONDUCTING THIN FILM
GROWTH AND MICROSTRUCTURE II
Chairs: Ron Ono and Jim Eckstein
Wednesday Afternoon, November 29
Salon G (M)

Concurrent with Session F16

1:30 P.M. *F15.1/G10.1
GROWTH OF HIGH-Tc OXIDE BASED HETEROEPITAXIAL MULTILAYERS ON VICINAL AND NON-PLANAR SURFACES, E. Olsson, Chalmers University of Technology/Göteborg University, Department of Physics, Göteborg, Sweden.

2:00 P.M. F15.2/G10.2
INITIAL STAGES OF REACTIVE EPITAXIAL GROWTH OF SmBa2Cu3O7 ON (100) SrTiO3, V.C. Matijasevic, B. Ilge, AND B Stäuble, Delft University of Technology, Applied Physics, Delft, Netherlands.

2:15 P.M. F15.3/G10.3
INFLUENCE OF SUBSTRATE TEMPERATURE ON THE EARLY GROWTH STAGE OF LASER ABLATED YBCO FILM, T. Tsurumaki, Seikei University, Faculty of Engineering, Tokyo, Japan; M. Mukaida, NIT LSI Laboratories, Kanagawa, Japan; and S. Uehara, Seikei University, Faculty of Engineering, Tokyo, Japan.

2:30 P.M. F15.4/G10.4
OXIDE SUPERCONDUCTOR INTERFACES STUDIED BY SPECTROSCOPIC ELLIPSOMETRY, Brady J. Gibbons, Susan Trolier-McKinstry, Darrell G. Schlom, Pennsylvania State University, Department of Materials Science and Engineering, University Park, PA; and Change-Beom Eom, Duke University, Durham, NC.

2:45 P.M. F15.5/G10.5
THE INFLUENCE OF DEPOSITION CONDITIONS ON THE GROWTH AND MORPHOLOGY OF YBa2Cu3O7- THIN FILMS, Alexana Roshko, D.A. Rudman, S.E. Russek and F.J.B. Stork, National Institutes of Standards and Technology, Electromagnetic Technology Division, Boulder, CO.

3:00 P.M. F15.6/G10.6
GROWTH OF EPITAXIAL CeO2 ON YBa2Cu3O7 THIN FILMS, M.W. Denhoff, B.F. Mason, H.T. Tran and P.D. Grant, National Research Council, Institute for Microstructural Sciences, Ottawa, Canada.

3:15 P.M. BREAK

3:45 P.M. F15.7/G10.7
ARTIFICIALLY FABRICATED YBa2Cu3O7- INTERFACES, Z.H. Gong, J.K. Grepstad, The Norwegian Institute of Technology, Department of Physical Electronics, Trondheim, Norway; S. Andersen, A. Bardal and R. Hoier, SINTEF Applied Physics, Trondheim, Norway.

4:00 P.M. F15.8/G10.8
CONTROLLING THE DOPANT INCORPORATION IN a-AXIS ORIENTED Co AND Ca DOPED YBCO THIN FILMS, Z. Trajanovic, I. Takeuchi, C.J. Lobb and T. Venkatesan, University of Maryland, Center for Superconductivity Research, Department of Physics, College Park, MD.


4:15 P.M. F15.9/G10.9
INVESTIGATION OF CATION DISORDER IN RARE EARTH EPITAXIAL 123 THIN FILMS USING RAMAN MICROSCOPY, Y.B. Li, L.F. Cohen, A.D. Caplin and J. MacManus-Driscoll, Imperial College, Centre for HTS. London, United Kingdom.

4:30 P.M. F15.10/G10.10
FORMATION OF Y2O3 PRECIPITATES ON YBCO THIN FILMS REVEALED BY SELECTIVE CHEMICAL ETCHING, F. Miletto Granozio, U. Scotti di Uccio, Dip. Scienze Fisiche dell' Università Federico II. Napoli, Italy; Massimo Valentino, CRN-ISM, Roma, Italy; G. Malandrino and I. Fragalà, Dip. Scienze Chimiche dell' Università di Catania, Napoli, Italy.

4:45 P.M. F15.11/G10.11
SPUTTERED AND REACTIVELY GROWN GdAlO3 FILMS AS BUFFER LAYERS FOR YBa2Cu3O7- ON R-SAPPHIRE, S. Senz, H. Sieber, N.D. Zakharov, D. Hesse, Max-Planck-Institut für Mikrostrukturphysik, Halle Germany; H. Hochmuth and M. Lorenze, Universität Leipzig, Leipzig, Germany.

SESSION F16: WIRES AND TAPES
Chairs: Dean Miller and Susan Babcock
Wednesday Afternoon, November 29
Salon J/K (M)

Concurrent with Session F15/G10

1:30 P.M. *F16.1
DEVELOPMENT OF Bi-2223 HTS COMPOSITES AND APPLICATION PROTOTYPES, Q. Li, G.N. Riley, B. Carter, M.W. Rupich and L.J. Masur, American Superconductor Corporation, Westborough, MA.

1:45 P.M. *F16.2
PHASE FORMATION MICROSTRUCTURE AND SUPERCONDUCTING PROPERTIES OF Bi(Pb)-2223 MULTIFILAMENT TAPES, O. Eibl, Siemens Research Laboratory, München, Germany.

2:00 P.M. F16.3
DISTRIBUTIONS OF LOCAL CURRENT DENSITIES IN 2223-BSCCO/Ag TAPES PROCESSED BY ONE- AND TWO POWDER METHODS, A.A. Polyanskii, A., Pashitski, A. Gurevich, J.A. Parrell, D.C. Larbalestier, University of Wisconsin-Madison, Applied Superconductivity Center, Madison, WI; G.N. Riley, Q. Li, American Superconductor Corporation, Westborough, MA; and S.E. Dorris, Argonne National Laboratory, Materials Technology Division, Argonne, IL.

2:15 P.M. *F16.4
Bi-2223 TAPES IN Ag/10 AT.% Cu ALLOY SHEATHS, Y. Tanaka, National Research Institute for Metals, Tsukuba Magnet Laboratories, Ibaraki, Japan.

2:30 P.M. *F16.5
Bi2Sr2CaCu2Ox CONDUCTOR RESEARCH AND DEVELOPMENT FOR HIGH FIELD NUCLEAR MAGNET RESONANCE INSERT COILS, Justin Schwartz, Joerg Kessler, Hubertus Weijers and Wangshui Wei, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL.

2:45 P.M. F16.6
DEFECT STRUCTURES IN SOME MELT-PROCESSED Bi-2212 TAPES, R.D. Ray II, D.S. Phillips, J.K. Bremser, J.O. Willis, J.Y. Coulter and D.E. Person, Los Alamos National Laboratory, Materials Science and Technology Division, Los Alamos, NM.

3:00 P.M. BREAK

3:30 P.M. *F16.7
AC LOSSES OF Ag-SHEATHED Bi2223 SUPERCONDUCTING WIRES, A. Oota and T. Fukunaga, Toyohashi University of Technology, Toyohashi, Japan.

3:45 P.M. F16.8
MICRO HALL PROBE MEASUREMENTS OF THE TRANSPORT CURRENT DISTRIBUTION IN BSCCO/AG CONDUCTORS, M.D. Dhallé, L.F. Cohen and A.D. Caplin, Imperial College, Centre for HTS, London, United Kingdom; H.K. Liu, S.X. Dou, University of Wollongong, Centre for Superconducting and Electronic Materials, NSW, Australia; M. Yang, C. Grovenor, University of Oxford, Department of Materials, Oxford, United Kingdom; G. Grasso and R. Flükiger, Université de Genève, Départment de Phyique de la Matgerière Condensée, Genève, Switzerland.

4:00 P.M. F16.9
STRAIN TOLERANCE OF Ag-CLAD BSCCO MONO-MULTIFILAMENT AND MULTILAYER COMPOSITE TAPES, R. Jammy, A.N. Iyer, U. Balachandran, Argonne National Laboratory, Argonne, IL; and P. Haldar, Intermagnetics General Corporation, Latham, NY.

4:15 P.M. F16.10
TEM STUDY OF HOT DEFORMATION EFFECTS ON Bi/Pb(2223) SILVER-SHEATHED TAPES, Denis P. Grindatto, Hans-Ude Nissen, ETH Zürich, Zürich, Switzerland; Manfred Daumling, Giovanni Grasso and René Flükiger, Université de Genève, Genève, Switzerland.


4:30 P.M. F16.11
MANUFACTURE, TEST, AND CHARACTERIZATION OF A PRODUCTION RUN OF HIGH TEMPERATURE SUPERCONDUCTING WIRES FOR A MULTISTRAND CONDUCTOR ASSEMBLY, D. Buczek, J. Scudiere, P. Miles, D. Marlowe, J. Leone, American Superconductor Corporation, Westborough, MA; P. Metra, Pirelli Cavi SpA, Divisione Italia, Milano, Italy; and M. Rahman, Pirelli Cable Corporation, Lexington, SC.

POSTER SESSIONS
Wednesday Evening, November 29
8:00 P.M.
America Ballroom (W)

JOINT SESSION F17/G11: SUPERCONDUCTING THIN FILM
GROWTH AND MICROSTRUCTURE
Chairs: Jim Eckstein and Ron Ono

F17.1/G11.1 YBa2Cu3O7- ON GARNET SUBSTRATES FOR DEVICE APPLICATIONS, S.C. Tidrow, A. Tauber, W.D. Wilber, M.A. Bates, U.S. Army Research Laboratory, Physical Sciences Directorate, Ft. Monmouth, NJ; R. Ortega, Siemens Industrial Automation, Inc., Madison, WI; S.C. Robie, Scintag, Inc., Sunnyvale, CA; D.M. Potrepka, J.I. Budnick, University of Connecticut, Physics Department, Storrs, CT; and J. Wu, University of Kansas, Physics Department, Lawrence, KS.

F17.2/G11.2 PULSED LASER DEPOSITION OF YBa2Cu3O7-x THIN FILMS ON LARGE AREA SUBSTRATES FOR MICROWAVE APPLICATIONS, T. Bollmeier, G. Östreicher, B. Schey, D. Schweitzer and B. Stritzker, Universität Augusborg, Institut for Physik, Augsburg, Germany.

F17.3/G11.3 RAMIFICATIONS OF OXYGEN DIFFUSION COEFFICIENTS FOR Sr2AlTaO6(SAT) AND Sr2AlNbO6 (SAN) ON THE PROCESSING OF HTSC MULTILAYER STRUCTURES, S.C. Tidrow, R.T. Lareau, D.W. Eckart, R.L. Pfeffer, A. Tauber, W.D. Wilber, R.D. Finnegan, U.S. Army Research Laboratory, Physical Sciences Directorate, Ft. Monmouth, NJ; L.L.H. King and Matt Neal, Conductus, Inc., Sunnyvale, CA.

F17.4/G11.4 GROWTH-INDUCED COLUMNAR DEFECTS IN YBa2Cu3O7-x GROWN ON MISCUT LaAlO3, Z.L. Wang, Georgia Institute of Technology, School of Materials Science and Engineering, Atlanta, GA; D.H. Lowndes, D.K. Christen, D.M. Kroeger, C.E. Klabunde and D.P. Norton, Oak Ridge National Laboratory, Oak Ridge, TN.

F17.5/G11.5 TEM OBSERVATIONS OF THE a-AXIS ORIENTED YBa2Cu3O7-x THIN FILMS, Seung Su Baek, Geun Hong Kim, Chang Hwan Chun, Agency for Defence Development, Taejon, Korea; Gun Yong Sung and Jeong Dae Suh, Electronics and Telecommunications Research Institute, Taejon, Korea.

F17.6/G11.6 CRITICAL CURRENT ANISOTROPY AND PINNING IN (103)YBCO SUPERCONDUCTING THIN FILMS DEPOSITED BY LASER ABLATION ON SrTiO3(110), J.Y. Juang, S.J. Huang, S.J. Wang, K.H. Wu, T.M. Uen and Y.S. Gou, National Chiao-Tung University, Hsinchu, Taiwan.

F17.7/G11.7 PULSED LASER DEPOSITION OF YBa2Cu3O7- THIN FILMS ON Si/DIAMOND SUBSTRATES FOR IR DETECTOR APPLICATIONS, Z.Q. Shi, K.S. Harshavardhan, A. Pique, S.M. Green, T. Venkatesan, Neocera Inc., Beltsville, MD; and M. Rajeswari, University of Maryland, Center for Superconductivity Research, College Park, MD.

F17.8/G11.8 MICROSTRUCTURE OF SrTiO3 THIN FILMS AS SINGLE LAYER OR INCORPORATED IN YBa2Cu3O7-x/SrTiO3 MULTILAYERS, L. Ryen, E. Olsson, Chalmers University of Technology, Department of Physics, Göteborg, Sweden; L.D. Madsen, C.N. Johnson, S.N. Jacobsen, U. Helmersson, Linköping University, Department of Physics, Linköping, Sweden; S. Rudner, Linköping University, Department of Physics, and National Defense Research Establishment, Linköping, Sweden; I. Ivanov, Linköping University, Department of Physics, Linköping, Sweden; and L.-D. Wernlund, National Defense Research Establishment, Linköping, Sweden.

F17.9/G11.9 SINGLE VARIANT ORIENTATIONAL GROWTH OF YBa2Cu3Ox ON VICINAL (011) SrTiO3 SUBSTRATES, D.S. Linehan, A.L. Vasiliev, E.P. Kvam, Purdue University, School of Materials Engineering, West Lafayette, IN; L. Hou and M.W. McElfresh, Purdue University, Department of Physics, West Lafayette, IN.

F17.10/G11.10 INTEGRATION OF HIGH TEMPERATURE SUPERCONDUCTORS WITH III-V SEMICONDUCTORS: PROCESSING, CHARACTERIZATION AND APPLICATIONS, Y.D. Li, A. Drehman, J. Horrigan, R. Andrews and D. Bliss, Rome Laboratory, Hanscom AFB, MA.

F17.11/G11.11 EFFECTS OF SURFACE TREATMENT OF SUBSTRATES FOR EPITAXIAL GROWTH OF REBa2Cu3O7-y SUPERCONDUCTING FILMS BY DIPPING-PYROLYSIS PROCESS, T. Manabe, I. Yamaguchi, S. Nakamura, W. Kondo, S. Mizuta and T. Kumagai, National Institute of Materials and Chemical Research, Ibaraki, Japan.

F17.12/G11.12 COMPUTER SIMULATION, DESIGN, AND CHARACTERIZATION OF A NOZZLE FOR MORE EFFECTIVE DELIVERY OF OXIDIZING GASES, C.J. Kraisinger and D.G. Schlom, Pennsylvania State University, Department of Materials Science and Engineering, University Park, PA.

F17.13/G11.13 GROWTH OF YBCO THIN FILMS ON (110) SrTiO3 SUBSTRATE WITH MgO BUFFER LAYER APPLICATIONS IN THE FABRICATION OF JOSEPHSON DEVICES, A. Di Chiara, F. Lombardi, F. Lombardi, F. Miletto Granozio, F. Tafuri, U. Scotti di Uccio, Dip. Scienze Fisiche dell' Università Federico Pederico II, Napoli, Italy; Massimo Valentino, CRN-ISM, Roma, Italy; A. Del Vecchio and L. Tapfer, CNRSM, Brindisi, Italy.

F17.14/G11.14 C-AXIS ORIENTED LiNbO3 FILMS ON (001) MgO BY PULSED LASER DEPOSITION, J.L. Lacey and D.G. Schlom, Pennsylvania State University, Department of Materials Science and Engineering, University Park, PA.

F17.15/G11.15 A STUDY OF COPPER OXIDE FILMS FABRICATED BY PULSED LASER DEPOSITION, Likourgos S. Hristakos and Robert E. Leuchtner, University of New Hampshire, Department of Physics, Durham, NH.

F17.16/G11.16 PREPARATION AND PROPERTIES OF C-AXIS ORIENTED EPITAXIAL YBa2Cu3O7- THIN FILMS WITH LARGE CRITICAL CURRENT DENSITIES, M. Ye, M. Mehbod and R. Deltour, Université Libre de Bruxelles, Service de Physique des Solides, Bruxelles, Belgium.

F17.17/G11.17 SURFACE ANALYSIS OF YBa2Cu3O7-x THIN FILMS WITH RHEED-TRAXS, S. Ogota, N. Futaki, Z. Liu, Y. Kanke and T. Morishita, ISTEC, Superconductivity Research Laboratory, Tokyo, Japan.

F17.18/G11.18 STUDY OF GRAIN BOUNDARIES IN YBCO THIN FILMS USING MICRORAMAN SPECTROSCOPY, O. Martinez, J. Jiménez, P. Martin, Universidad de Valladolid, Fisica de la Materia Condensada, Valladolid, Spain; D. Chambonnet, S. Degoy and C. Belouet, Alcatel Alsthom, Maccoussis, France.

F17.19/G11.19 THE HIGH RESOLUTION MAGNETO-OPTICAL FARADAY-EFFECT AS A RESEARCH TOOL TO INVESTIGATE DETAILS OF CURRENT AND MAGNETIC FLUX DISTRIBUTION IN YBa2Cu3O7 THIN FILMS, A. Forkl, H. Kronmüller, Max-Planck-Institut für Metallforschung, Institut für Physik and H.-U. Habermeier, Max-Planck-Institut für Festkörperforschung, Stuttgart, Germany.

F17.20/G11.20 YBCO EPITAXIAL FILMS: A SIMPLE MODEL OF NUCLEATION, F. Miletto Granozio, U. Scotti di Uccio, Dip. Scienze Fisiche dell' Università Federico II, Napoli, Italy.

F17.21/G11.21 NEW SUBSTRATES/BUFFER LAYER COMPOUNDS FOR YBCO EPITAXIAL FILM GROWTH, A. Tauber, S.C. Tidrow, W.D. Wilber and R.D. Finnegan, U.S. Army Research Laboratory, Physical Sciences Directorate, Ft. Monmouth, NJ.

F17.22/G11.22 Sr2(AlTa)O6 POWDER AND THIN FILMS AT LOW TEMPERATURES FOR HIGH Tc OXIDES SUBSTRATES, D. Ravichandran, R. Roy, A.S. Bhalla, R. Guo and L.E. Cross, Pennsylvania State University, Materials Research Laboratory, University Park, PA.

F17.23/G11.23 IMPROVED IN-SITU HIGH Tc SUPERCONDUCTING FILMS GROWN BY DUAL-LASER ABLATION, Pushkaraj Panse, Khurshed Ahmed, Pritish Mukherjee and Sarath Witanachchi, University of South Florida, Department of Physics, Tampa, FL.

F17.24/G11.24 HTSC THIN FILMS ON MGO AND Si WITH AND WITHOUT PEROVSKITE BUFFER LAYERS: A COMPARATIVE STUDIES ON GROWTH, EPITAXY, INTERFACES AND RELATED SUPERCONDUCTING PROPERTIES, R.D. Vispute, R. Bhandari and J. Narayan, North Carolina State University, Department of Materials Science and Engineering, Raleigh, NC.

F17.25/G11.25 TRANSPORT AND MATERIALS PROPERTIES OF YBCO FILMS ON ULTRA-THIN Ag LAYERS, C. Zhong, S.T. Ruggiero, University of Notre Dame, Department of Physics, Notre Dame, IN; and E. K. Track, HYPRES, Elmsford, NY.

F17.26/G11.26 LARGE AREA UNIFORM DEPOSITION OF YBa2Cu3O7 THIN FILMS BY A 90deg. OFF-AXIS SPUTTERING TECHNIQUE, R.A. Rao, Q. Gan and C.B. Eom, Duke University, Department of Mechanical Engineering and Materials Science, Durham, NC.

F17.27/G11.27 RESIDUAL STRESS AND FRACTURE MODELING OF HTSC FILMS, L. Fang, Pennsylvania State University, Department of Engineering Science and Mechanics, University Park, PA; and S.K. Kurtz, Pennsylvania State University, Materials Research Institute and Department of Electrical Engineering, University Park, PA.

F17.28/G11.28 GROWTH STUDIES AND MICROSTRUCTURAL ANALYSIS OF SINGLE LAYER YBa2Cu3O7 THIN FILMS, H.-U. Habermeier, E. Garcia-Gonzalez and M. Ece, Max-Planck-Institut für Festkörperforschung, Stuttgart, Germany.

F17.29/G11.29 DEFECTS IN YBa2Cu3O7- THIN FILMS AND THEIR INFLUENCES ON Tc, Jinhua Ye, National Research Institute for Metals, Ibaraki, Japan.

SESSION F18: WIRES AND TAPES
Chairs: Jim Eckstein, Kohji Kishio and Kenneth Goretta

F18.1 INTERFILAMENTARY COUPLING ON AC LOSS IN Bi(2:2:2:3)/Ag TAPES, Yoshito Fukumoto and Masaki Suenaga, Brookhaven National Laboratory, Materials Science Division, Upton, NY.

F18.2 FABRICATION OF FLEXIBLE SCREEN-PRINTED Ag-Bi2223 MULTIFILAMENTARY TAPES WITH HIGH CURRENT CAPACITY, A. Oota, K. Ogawa and K. Shibata, Toyohashi University of Technology, Aichi, Japan.

F18.3 MEASUREMENT OF THE TRUE SELF-FIELD TRANSPORT AC POWER LOSS IN Bi-2223 TAPES, S. Fleshler, L. Cronis, G. Conway, A. Malozemoff, American Superconductor Corporation, Westborough, MA; J. McDonald, T. Pe and J. Clem, Iowa State University, Department of Physics, Ames, IA.

F18.4 INTERFACIAL DECOMPOSITION OF (Bi,Pb)2Sr2Ca2Cu3Ox IN CONTACT WITH SILVER, R.J. Moon, K.P. Trumble and K.J. Bowman, Purdue University, School of Materials Engineering, West Lafayette IN.

F18.5 INTERFACE STRUCTURE IN BSCCO/2223 Ag-SHEATHED SUPERCONDUCTING TAPES, J. Wang, A.S. Liu, Y.R. Zhou, B.L. Shao, R. Zeng and G.S. Yuan, General Research Institute for Nonferrous Metals, Beijing, China.

F18.6 DISLOCTION IN Ag-SHEATHED BSCCO/2223 SUPERCONDUCTING TAPES, J. Wang, A.S. Liu, Y.R. Zhou, B.L. Shao, R. Zeng and G.S. Yuan, General Research Institute for Nonferrous Metals, Beijing, China.

F18.7 DEVELOPMENT AND INVESTIGATION OF SUPERCONDUCTING JOINTS BETWEEN PIT PROCESSED Bi-2223/AG TAPES FOR LONG-LENGTH FABRICATION, Jaimoo Yoo, Jaewoong Ko, Haidoo Kim and Hyungsyk Chung, Korea Institute of Machinery and Metals, Materials Processing, Kyungnam, Korea; and Jian Sha, Zhejiang University, Department of Physics, Hangzhou, China.

F18.8 PROPERTIES AND CHEMICAL STABILITY OF HOT-ROLLED Ag(7at%-Cu)-SHEATHED Bi2Si2Ca0.64Cu1.64OX POWDER-IN-TUBE TAPES, Jiyou Guo, J.A. Lewis, University of Illinois, Department of Materials Science and Engineering, Urbana, IL; K.C. Goretta, Argonne National Laboratory, Energy Technology Division, Argonne, IL; and J. Schwartz, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL.

F18.9 PREPARATION AND PROPERTIES OF Li-DOPED Bi2Sr2CaCu2Ox Ag-SHEATHED POWDER-IN-TUBE TAPES AND WIRES, Wangshui Wei, Joerg Kessler and Justin Schwartz, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL.

F18.10 POWDER-IN-TUBE BSCCO TAPES IN SILVER ALLOYS, J.L. Smith, J.F. Bingert, T.G. Holesinger, W.L. Hults, D.S. Phillips, R.D. Ray II, K.V. Salazar and R. Zhou, Los Alamos National Laboratory, Los Alamos, NM.

F18.11 PROCESSING AND CHARACTERIZATION OF BiSrCaCuO POWDER-IN-TUBE TAPES WITH Ag PARTICLES, R. Zhou, W.L. Hults, R.J. Sebring, J.F. Bingert, J.Y. Coulter, D.E. Peterson and J.L. Smith, Los Alamos National Laboratory, Superconductivity Technology Center, Los Alamos, NM.

F18.12 INVESTIGATION OF BUBBLING IN AG-SHEATHED Bl-2212 TAPE, Jodi Reeves, W. Zhang, E.E. Hellstrom, S.E. Babcock, D.C. Larbalestier, University of Wisconsin, Applied Superconductivity Center, Madison, WI; and K.W. Pierson, University of Wisconsin-Eau Claire, Department of Physics and Astronomy, Eau Claire, WI.

F18.13 CONTROLLED DECOMPOSITION AND REFORMATION OF THE 2223 PHASE IN Ag-CLAD (Bi,Pb)2Sr2Ca2Cu3Ox TAPES AND ITS INFLUENCE ON THE MICROSTRUCTURE AND CRITICAL CURRENT DENSITY, J.A. Parrell, D.C. Larbalestier, University of Wisconsin, Applied Superconductivity Center, Madison, WI; and S.E. Dorris, Argonne National Laboratory, Energy Technology, Argonne, IL.

F18.14 Jc ENHANCEMENT OF Bi-2212/Ag TAPES MELT - GROWN UNDER AN ELEVATED MAGNETIC FILED (O~10), H.B. Liu, J.B. Vander Sande, Massachusetts Institute of Technology, Department of Materials Science and Engineering, CAmbridge, MA; and A. Otto, American Superconductor Corporation, Westborough, MA.

F18.15 INFLUENCE OF THE PREPARATION ON THE TRANSPORT PROPERTIES OF HTS Bi-2223 SUPERCONDUCTING TAPES, C.M. Fu and Y.C. Huang, Material Research Laboratories, Industrial Technology Research Institute, Taiwan, China.

F18.16 DEVELOPMENT OF MULTIFILAMENTARY COMPOSITE HTS ELEMENTS FOR 16 KA CURRENT LEADS, W.E. Brockenborough, A.J. Rodenbush, American Superconductor Corporation, Westborough, MA; and R.C. Niemann, Argonne National Laboratory, Argonne, IL.

F18.17 THE DEVELOPMENT OF HIGH CURRENT DENSITIES IN Bi-2223 WIRES MADE FROM METAL PRECURSORS, A. Otto, D. Daly, S. Hughson and E. Thompson, American Superconductor Corporation, Westborough, MA.

F18.18 CHARACTERIZATION OF TWISTED OPIT TAPES, C. Christopherson and G. Riley Jr., American Superconductor Corporation, Westborough, MA.

F18.19 PROCESS-STRUCTURE RELATIONSHIPS AFFECTING CLAD/CORE INTERFACE UNIFORMITY IN HTSC TAPES, J.F. Bingert, R.J. Sebring, W.R. Blumenthal, Los Alamos National Laboratory, Materials Science and Technology Division, Los Alamos, NM; and S.E. Schoenfeld, U.S. Army Research Laboratory, Aberdeen Proving Grounds, MD.

F18.20 INFLUENCE OF FILAMENT THICKNESS AND POWDER DENSITY ON MICROSTRUCTURE AND JC OF AG SHEATHED Bi-2223 TAPE, Hideki Ii, Akio Kimura, Masanao Mimura, Keizo Kosugi, Yasuzo Tanaka, Furukawa Electric Company, Ltd., Metal Research Center, Nikko, Japan; Hideo Ishii and Tsukushi Hara, Tokyo Electric Power Company, Ltd., Power Engineering R&D Center, Kanagawa, Japan.

F18.21 CRYSTALLOGRAPHIC TEXTURE INVESTIGATIONS IN BSSCO WIRES, Mark D. Vaudin, National Institutes of Standards and Technology, Gaithersburg, MD; Martin W. Rupich, Qi Li, Gilbert N. Riley, American Superconductor Corporation, Westborough, MA; and John F. Bingert, Los Alamos National Laboratory, Los Alamos, NM.

F18.22 EXTRUSION SCALE-UP OF HIGH TEMPERATURE SUPERCONDUCTOR MULTIFILAMENT CONDUCTORS USING METALLIC PRECURSOR TECHNOLOGY, Derek P. Daly, Alex Otto, Lawrence J. Masur and Christopher A. Craven, American Superconductor Corporation, Westborough, MA.

F18.23 MAGNETIC INDUCTIVE MEASUREMENT FOR TRANSPORT CRITICAL CURRENT DENSITY IN HIGH TEMPERATURE SUPERCONDUCTORS, Y.R. Sun, V. Miller, V. Fischer, B. Amm and J. Schwartz, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL.

F18.24 APPLICATION OF STATIC ELECTRIC POTENTIAL MEASUREMENTS IN DETECTING DEFECTS IN Bi-2223 WIRE, W. Zhu, D. Willén, R. Nadi and J. Cave, IREQ, Hydro-Québec, Varennes, Canada.

F18.25 SYNCHROTRON X-RAY CHARACTERIZATION OF BI 2223 AND 2212 SUPERCONDUCTING WIRES, T.R. Thurston, U. Wildgruber, M. Suenaga, T. Wang, Brookhaven National Laboratory, Upton, NY; and P. Haldar, Intermagnetics General Corporation, Latham, NY.

F18.26 ON MAGNETO-OPTICAL NONDESTRUCTIVE ANALYSIS OF SUPERCONDUCTOR COMPOSITES, M. Turchinskaya, D.L. Kaiser, A. Shapiro, NIST, Materials Science and Engineering Laboratory, Gaithersburg, MD; G.N. Riley and C. Christopherson, American Superconductor Corporation, Westborough, MA.

F18.27 THE EFFECT OF SILVER ON THE SURFACE DEGRADATION OF SINGLE LAYER TL-COMPOUND SUPERCONDUCTOR, C. Park, D.H. Lee, R.A. Condrate and R.L. Snyder, NYS College of Ceramics at Alfred University, Institute of Ceramic Superconductivity, Alfred, NY.

F18.28 HIGH TEMPERATURE REACTIONS AND THE EFFECTS OF SILVER IN Tl0.5Pb0.5Sr2CaCu2O7, M. Haluska, C. Park and R.L. Snyder, NYS College of Ceramics at Alfred University, Alfred, NY.

F18.29 IMAGE ANALYSIS FOR POROSITY CHARACTERIZATION OF THALLIUM HIGH TEMPERATURE SUPERCONDUCTOR TAPES, R.J. Sebring, E.J. Peterson, J.F. Bingert, K.V. Salazar and D.E. Peterson, Los Alamos National Laboratory, Los Alamos, NM.

F18.30 SINTER FORGING OF PURE AND DOPED Tl-1223 BARS, K.C. Goretta, M.T. Lanagan, J.B. Ulanday, Argonne National Laboratory, Energy Technology Division, Argonne, IL; E.P. Roth and J.A. Voigt, Sandia National Laboratories, Albuquerque, NM.

F18.31 HIGH TEMPERATURE SUPERCONDUCTING COATINGS ON THE NI-CU ALLOY SUBSTRATES, E.M. Gololobov, N.A. Prytakova, Zh.M. Tomilo, D.M. Turtsevich and N.F. Ladutko, Institute of Solid State and Semi-conductor Physics, Academy of Sciences of Belarus, Minsk, Belarus.

F18.32 PHASE DEVELOPMENT IN TL-1223 SUPERCONDUCTOR TAPES, E. Garcia, E.J. Peterson, R.D. Ray II, R.J. Sebring, K.V. Salazar and P.G. Wahlbeck, Los Alamos National Laboratory, Superconductivity Technology Center, Los Alamos, NM.



SESSION F19: ARTIFICIAL STRUCTURES
Chair: Oliver Eibl
Thursday Morning, November 30
Salon G (M)

8:30 A.M. *F19.1
PROPERTIES OF YBa2Cu3O7- THICK FILMS ON FLEXIBLE METALLIC SUBSTRATES, X.D. Wu, S.R. Foltyn, P. Arendt, W. Blumenthal, J. Cotton, Y. Coulter, L. Hults, M.P. Maley, H. Safar and J.L. Smith, Los Alamos National Laboratory, Los Alamos, NM.

9:00 A.M. F19.2
FLUX PINNING BY LOW-ANGLE GRAIN BOUNDARIES IN BIAXIALLY-ORIENTED YBCO FILMS ON METAL SUBSTRATES, Paul Berdahl, Ronald P. Reade and Richard E. Russo, Lawrence Berkeley Laboratory, Berkeley, CA.

9:15 A.M. F19.3
YBCO GROWTH ON TEXTURED BUFFER LAYERS PREPARED BY ION BEAM ASSISTED DEPOSITION, C.P. Wang, K.B. Do, A.F. Marshall, T.H. Geballe, M.R. Beasley, R.H. Hammond, Stanford University, Ginzton Laboratory, Stanford, CA; and R.B. Beyers, IBM Almaden Research Center, San Jose, CA.

9:30 A.M. F19.4
SYNTHESIS, DOPING AND TRANSPORT PROPERTIES OF TETRAGONAL SrBa2CuO4+ PREPARED BY PULSED LASER DEPOSITION, Peidong Yang, Alfredo M. Morales and Charles M. Lieber, Harvard University, Department of Chemistry and Division of Applied Sciences, Cambridge, MA.

9:45 A.M. F19.5
ATOMIC-SCALE SUPERLATTICES CONSISTING OF B-SITE SUBSTITUTED PEROVSKITE OXIDES, I. Tsukada, M. Nose and K. Uchinokura, The University of Tokyo, Department of Applied Physics, Tokyo, Japan.

10:00 A.M. BREAK

SESSION F20: HETEROSTRUCTURES
Chair: Ron Feenstra
Thursday Morning, November 30
Salon G (M)

10:30 A.M. *F20.1
SURFACE AND INTERFACE ISSUES IN ATOMICALLY CONTROLLED EPITAXY OF HIGH Tc RELATED OXIDES, Masashi Kawasaki and Hideomi Koinuma, Tokyo Institute of Technology, Research Laboratory of Engineering Materials, Yokohama, Japan.

11:00 A.M. *F20.2
ATOM SCALE GROWTH CONTROL AND NOVEL ELECTRONIC PROPERTIES OF HIGH Tc THIN FILMS STUDIES BY LASER MBE AND STM/STS, Tomoji Kawai, Osaka University, The Institute of Scientific and Industrial Research, Ibaraki, Japan.

11:30 A.M. *F20.3
C-AXIS TRANSPORT IN HIGH-TC MULTILAYERS,
Ivan Bozovic, Varian Associates, E.L. Ginzton Research Center, Electron Physics Laboratory, Palo Alto, CA.

SESSION F21: THIN FILM DEVICES
Chairs: Jim Eckstein and Robert Buhrman
Thursday Afternoon, November 30
Salon G (M)

1:30 P.M. *F21.1
OXYGEN DEFECT AGGREGATION AND TRANSPORT PROPERTIES OF HIGH TEMPERATURE SUPERCONDUCTOR THIN FILMS AND JOSEPHSON JUNCTIONS, R.A. Buhrman, Cornell University, School of Applied and Engineering Physics, Ithaca, NY.

2:00 P.M. *F21.2
MATERIAL ISSUES IN YBCO SNS JUNCTIONS: INTERFACES AND BARRIERS, K. Char, Conductus Inc., Device Technology, Sunnyvale, CA.

2:30 P.M. F21.3
RAMP TYPE YBCO JUNCTIONS WITHOUT OVERLAP, USING CaO LIFT-OFF, Dave H.A. Blank, Guus J.H.M. Rijnders, Gerben den Ouden and Horst Rogalla, University of Twente, Department of Applied Physics, Enschede, Netherlands.

2:45 P.M. F21.4
THE MICROSTRUCTURE OF THE INTERFACES ASSOCIATED WITH ETCHING PROCESSES IN YBa2Cu3O7/ PrBa2Cu3O7 MULTILAYER FILMS, C.L. Jia, M.I. Faley, U. Poppe and K. Urban, Institute für Festkörperforschung, Forschungszentrum Jülich GmbH, Jülich, Germany.

3:00 P.M. F21.5
ELECTRON BEAM IRRADIATION OF HITS FILMS AND ITS APPLICATION TO FABRICATION OF HTS RSFQ DEVICES, B. Nadgorny, S. Shokhor, S. Tolpygo, J.Y. Lin, M. Gurvitch, V. Semenov, Yu. Polyakov, K. Likharev, State University of New York at Stony Brook, Department of Physics, Stony Brook, NY; and S.Y. Hou, Julia Phillips, AT&T Bell Laboratories, Murray Hill, NJ.


3:15 P.M. BREAK

3:45 P.M. F21.6
CHARACTERIZATION OF a-AXIS ORIENTED YBa2Cu3O7-x FILMS AND HETEROSTRUCTURES FOR VERTICAL TRILAYER JUNCTIONS, I. Takeuchi, Z. Trajanovic, P.A. Warburton, W. Liu, C.J. Lobb and T. Venkatesan, University of Maryland, Center for Superconductivity Research, Department of Physics, College Park, MD.

4:00 P.M. F21.7
DEFECTS IN EPITAXIAL YBCO/INSULATOR/YBCO TRILAYER CAPACITOR STRUCTURES, J. Talvacchio and M.G. Forrester, Westinghouse STC, Pittsburgh, PA.

4:15 P.M. F21.8
PULSED LASER DEPOSITION OF SrTiO3 ON PATTERNED Y1Ba2Cu3O7-x USING A SHADOW MASK, James B. Thompson, Randolph E. Treece, Carl H. Mueller, Tanya Rivkin, Gerhard Koepf, Robert M. Yandrofski, Superconducting Core Technologies, Golden, CO; David Galt, Mark Dalberth, John C. Price, Charles A. Rogers and Allen M. Hermann, University of Colorado, Department of Physics, Boulder, CO.

4:30 P.M. F21.9
DIGITAL LASER ETCHING OF Bi-Sr-Ca-Cu-O SUPERCONDUCTING THIN FILMS, T. Oohira, S. Sakai, Y. Kasai, K. Shimizu, Electrotechnical Laboratory, Electron Device Division, Ibaraki, Japan; A. Suzuki, University of Tsukuba, Institute of Materials Science, Ibaraki, Japan; H. Fujino, Science University of Tokyo, Department of Applied Science, Tokyo, Japan; and T. Nagai, Chiba Institute of Technology, Department of Electrical Engineering, Chiba, Japan.

4:45 P.M. F21.10
SiO2 PASSIVATION FILM EFFECTS ON MICROWAVE CHARACTERISTICS OF 1-2-3 OXIDE SUPERCONDUCTING RESONATORS, M. Ban, K. Suzuki, S. Tokunaga, K. Hayashi and Y. Enomoto, ISTEC, Superconductivity Research Laboratory, Tokyo, Japan.

SESSION F22: Hg-BASED COMPOUNDS
Chair: Z. Hiroi
Friday Morning, December 1
Salon G (M)

8:30 A.M. *F22.1
THE PROMISES AND CHALLENGES OF Hg SUPERCONDUCTORS, C.W. Chu, J. Clayhold, L. Gao and Y.Y. Xue, University of Houston, Texas Center for Superconductivity, Houston, TX.

9:00 A.M. *F22.2
MICROSCOPIC STRUCTURE AND STRONG FLUX PINNING BEHAVIOR OF Re-DOPED HgBa2Can-1CunOy(n=1~4), J. Shimoyama, K. Kitazawa, and K. Kishio, University of Tokyo, Department of Applied Chemistry, Tokyo, Japan.

9:30 A.M. F22.3
GROWTH STUDIES ON (Hg,Re)Ba2Can-1CunOy SUPERCONDUCTORS, Christian H. Wolters, Kathleen M. Amm and Justin Schwartz, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL.

9:45 A.M. F22.4
A TEM STUDY OF THE MODULATED PHASE IN Hg1-xCrxSr2CuO4+y SUPERCONDUCTOR, B.G. Storey, H. Zhang, L.D. Marks, Northwestern University, Department of Materials Science and Engineering, Evanston, IL; O. Chmaissem, D. Argyriou and J.D. Jorgensen, Argonne National Laboratory, Argonne, IL.

10:00 A.M. BREAK

10:00 A.M. *F22.5
Hg-BASED CUPRATE FILMS, GRAIN BOUNDARY JUNCTIONS AND SQUIDS, C.C. Tsuei, IBM T.J. Watson Research Center, Yorktown Heights, NY.

10:30 A.M. F22.6
Hg-1212 SUPERCONDUCTING THIN FILMS PREPARED BY PULSED LASER DEPOSITION AND POST-ANNEALING, I. Bryntse, Stockholm University, Department of Inorganic Chemistry, Arrhenius Laboratory, Stockholm, Sweden; A. Brazdeikis and A.S. Flodstrom, Royal Institute of Technology, Department of Physics, Materials Physics, Stockholm, Sweden.

SESSION F23: NEW MATERIALS
Chair: R.L. Meng
Friday Morning, December 1
Salon G (M)

10:45 A.M. F23.1
124 K SUPERCONDUCTIVITY IN Cu-Ba-Ca-Cu-O, L. Gao, Z.L. Du, Y. Cao, I. Rusakova, Y.Y. Shun, Y.Y. Xue, and C.W.Chu, University of Houston, Texas Center for Superconductivity, Houston, TX.

11:00 A.M. *F23.2
RELEVANCE OF LOCAL STRUCTURES AND CRYSTAL DEFECTS TO HIGH-Tc SUPERCONDUCTIVITY, Zenji Hiroi, Kyoto University, Institute for Chemical Research, Kyoto, Japan.

11:30 A.M. F23.3
COMPLEX SUPERSTRUCTURES IN THE SUPERCONDUCTING (Sr,Ca)n+1CunOy SYSTEM, J. Ramirez-Castellanos, National Institute of Research in Inorganic Materials, Ibaraki, Japan and University of Tsukuba, Applied Physics Institute, Ibaraki, Japan; Y. Matsui, E. Takayama-Muromachi and T. Kawashima, National Institute of Research in Inorganic Materials, Ibaraki, Japan.

11:45 A.M. F23.4
SYNTHESIS OF HTS-OXYCARBONATE EPITAXIAL FILMS, R. Feenstra, D.P. Norton, J.D. Budai, R.A. Zuhr, D.K. Christen, Oak Ridge National Laboratory, Oak Ridge, TN; and T. Kawai, Osaka University, ISIR-Sanken, Osaka, Japan.

The following exhibitors have identified their products and services as directly related to your research:

Products and Services
A&N Corporation
Aldrich Chemical Company
Allied High Tech Products, Inc.
APD Cryogenics, Inc.
Barnstead/Thermolyne
Cameca Instruments, Inc.
Cryomech, Inc.
Cymer Laser Technologies
Digital Instruments
Evans East
E.A. Fischione Instruments, Inc.
Hitachi Scientific Instruments
Inel, Inc.
Instron Corporation
Instruments SA, Inc./Jobin-Yvon-Spex
Janis Research Company, Inc.
JCPDS-ICDD
Lake Shore Cryotronics, Inc.
Leybold Inficon, Inc.
Micro Instrument Company
National Electrostatics Corp.
Neocera, Inc.
Omicron Associates
Oxford Applied Research
Philips Electronic Instruments Co.
Philips Semiconductors/Materials Analysis Group
Princeton Scientific Corporation
Quantum Design
Quesant Instrument Corporation
Rigaku/USA, Inc.
Staib Instruments, Inc.
Structure Probe, Inc./SPI Supplies
Superconductive Components/Target Materials, Inc.
TEC
Telemark
TexSEM Laboratories, Inc.
Textron Defense Systems

See page 6 for a list of companies exhibiting books and software and a complete list of exhibitors.