Meetings & Events

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1996 MRS Spring Meeting & Exhibit

April 8-12, 1996 | San Francisco
Meeting Chairs
: Thomas F. Kuech, Clifford L. Renschler, Chuang Chuang Tsai



Symposium Q: Materials Challenges for Applications of High Temperature Superconductors

Chairs

Steven Anlage Martin Maley
University of Maryland Los Alamos National Laboratory

David C. Larbalestier Daniel E. Oates
University of Wisconsin-Madison MIT Lincoln Laboratory

Jonathan Z. Sun
IBM T.J. Watson Research Center

Symposium Support

Oak Ridge National Laboratory
Argonne National Laboratory
Los Alamos National Laboratory
EPRI
ARPA

*Invited Paper

SESSION Q1: CRITICAL CURRENT DENSITIES
Chair: David Larbalestier
Monday Morning, April 8
Golden Gate A3

8:30 A.M. *Q1.1
FORMATION OF THE Bi(2223) AND Ti(1223) PHASE IN SILIVER - SHEATHED TAPES: THE MAIN CURRENT LIMITING MECHANISMS, R. Flükiger, G. Grasso. B. Hensel, A. Perin, D. Grindatto, R. Gladyshevskii, E. Bellingeri, University de Geneva, Section de Physique, DPMC, Geneva, Switzerland.

9:00 A.M. *Q1.2
APPROACH TO HIGH Jc FOR Bi-2223 SUPERCONDUCTING TAPE, T. Kaneko, K. Ohkura, K. Hayaski, T. Hikata, T. Kato, M. Ueyama, J. Fujikami, M. Itoh, S. Kobayashi, N. Saga, S. Hahakura and K. Sato, Sumitomo Electric Industries, Osaka Research Laboratories, Konohana-ku, Japan.

9:30 A.M. Q1.3
ARTIFICIAL DEFECTS IN BSCCO 2212 TAPES, M. Polak, W. Zhang, X.Y. Cai, E. Hellstrom and D. Larbalestier, University of Wisconsin, Applied Superconductivity Center, Madison, WI.

9:45 A.M. BREAK

10:15 A.M. *Q1.4
PERFORMANCE IMPROVEMENTS IN HTS COMPOSITE SUPERCONDUCTORS, G.N. Riley Jr., American Superconductor Corporation, Westborough, MA.

10:45 A.M. Q1.5
INDUCED CURRENT AC LOSSES IN Bi(2:2:2:3)/Ag TAPES: EFFECTS OF DC TRANSPORT CURRENT, Y. Fukumoto, H.J. Wiesmann and M. Suenaga, Brookhaven National Laboratory, Department of Applied Science, Upton, NY; and H. Haldar, Intermagnetics General Corporation, Latham, NY.

11:00 A.M. Q1.6
INVESTIGATION OF FLUX PENETRATION AND CURRENT FLOW IN TBCCO-1223 MELT TEXTURED THICK FILMS BY MEANS OF MAGNETO-OPTICAL IMAGING, A.A. Polyanskii, A. Pashitski, A. Gurevich, D.C. Larbalestier, University of Wisconsin-Madison, Applied Superconductivity Center, Madison, WI; A. Goyal and D.M. Kroeger, Oak Ridge National Laboratory, Metals and Ceramics Division, Oak Ridge, TN

11:15 A.M. Q1.7
HgBa2Ca2Cu3O8+ TAPES: PROCESSING AND CHARACTERIZATION, R.L. Meng, B.R. Hickey, C. Kinalidis, Y.Q. Wang, Y.Y. Sun, L.Gao, Y.Y. Xue and C.W. Chu, University of Houston, Texas Center for Superconductivity, Houston, TX.

11:30 A.M. Q1.8
MICROSCALE STRUCTURES FABRICATED FROM HIGH-QUALITY BSCCO (2212) SINGLE-CRYSTAL WHISKERS FOR STUDIES OF INTRINSIC JOSEPHSON EFFECT, Yuri I. Latyshev, Jana E. Nevelskaya, Russian Academy of Sciences, Radio Engineering and Electronics, Moscow, Russia; and Pier Monceau, CNRS, Centre de Recherches sur les Tres Basses Temperatures, Grenoble, France.

11:45 A.M. Q1.9
CRITICAL CURRENT ENHANCEMENT IN BSCCO 2212 SUPERCONDUCTOR BY MgO DOPING, Vassili V. Lennikov, Pavel E. Kazin, Valery I. Pudyacv, Yuri D. Tretyakov, Moscow State University, Chemistry Department, Moscow, Russia; and M. Jansen, Institut fur Anorganische Chemic, Bonn, Germany.

SESSION Q2: SINGLE CRYSTAL,
BI-CRYSTALS AND PROCESSING
Chair: Mas Suenaga
Monday Afternoon, April 8
Golden Gate A3

1:30 P.M. Q2.1
HIGH SPEED MELT TEXTURING OF 123 TYPE SUPERCONDUCTORS, K. Salama, A.S. Parikh, University of Houston, Texas Center for Superconductivity, Houston, TX; and L. Woolf, General Atomics, San Diego, CA.

1:45 P.M. Q2.2
GRAIN BOUNDARY MISORIENTATION STUDIES IN HIGH CURRENT BULK POLYSRYSTALLINE MELT TEXTURED YBCO BARS, S. Sathyamurthy, A.S. Parikh and K. Salama, University of Houston, Center for Superconductivity, Houston, TX.

2:00 P.M. Q2.3
TRANSPORT BEHAVIOR AND MICROSTRUCTURE OF YBa2Cu3Ox GRAIN BOUNDARIES ENGINEERED BY DUAL SEEDED MELT PROCESSING, V.R. Todt, M. St. Louis-Weber, X.F. Zhang, D.J. Miller, U. Balachandran, Argonne National Laboratory, Argonne, IL; and V.P. Dravid, Northwestern University, Evanston, IL.

2:15 P.M. Q2.4
EVIDENCE OF PERIODIC DISTRIBUTION OF STRONGLY-COUPLED COMPONENT IN THE GRAIN BOUNDARIES OF NEAR 15deg. [001] TILT YBCO BICRYSTALS, I-Fei Tsu, S.E. Babcock, X.Y. Cai, D.C. Larbalestier, University of Wisconsin, Applied Superconductivity Center, Madison, WI; and D.L. Kaiser, National Institute of Standards and Technology, Gaithersburg, MD.

2:30 P.M. Q2.5
MORPHOLOGY OF TWIN STRUCTURES IN LARGE GRAINS OF YBa2Cu3O7- AS AFFECTED BY THE DISPERSION AND VOLUME FRACTIONS OF Y2BaCuO5, Manoj Chopra, V.S. Boyko, Columbia University, Department of Materials Science, New York, NY; R.L. Meng, C.W. Chu, University of Houston, Department of Physics and Texas Center of Superconductivity, Houston, TX; and Siu-Wai Chan, Columbia University, Department of Materials Science, New York, NY.

2:45 P.M. BREAK

3:15 P.M. Q2.6
IMPROVED COMPOSITIONS FOR MELT PROCESSING REBa2Cu3Oy USING RE=(Yb1-XNdx), L.D. Woolf and T.L. Figueroa, Pacific Superconductors Division, General Atomics, San Diego, CA.

3:30 P.M. Q2.7
INFLUENCES OF OXYGEN PARTIAL PRESSURE ON YBCO SUPERCONDUCTORS SOLIDIFICATION, X. Yao and Y. Shiohara, ISTEC, Superconductivity Research Laboratory, Tokyo, Japan.

3:45 P.M. Q2.8
ALKALINE EARTH COPPER OXYFLUORIDES-AN EXAMPLE OF ANIONIC CONTROL OF HIGH Tc SUPERCONDUCTIVITY, H.L. Bennett, P.R. Slater, P.P. Edwards, I. Gameson and C. Greaves, University of Birmingham, School of Chemistry, Birmingham, United Kingdom.

4:00 P.M. Q2.9
ON THE DOUBLE-STEP RESISTIVE TRANSITION AND POSSIBLE PHASE SEPARATION IN THE SERIES OF Nd2-xCexCuO4+ CERAMIC SUPERCONDUCTORS, P.W. Klamut, A.J. Zaleski, Polish Academy of Sciences, Institute of Low Temperature and Structure Research, Wroclaw, Poland; and P. Kostic, Argonne National Laboratory, Materials Science Division, Argonne, IL.

4:15 P.M. Q2.10
ANISOTROPIES IN THE GROWTH MORPHOLOGY OF LARGE GRAIN YBCO FABRICATED BY SEEDED PERITECTIC SOLIDIFICATION, D.A. Cardwell, W. Lo and C.D. Dewhurst, University of Cambridge, IRC in Superconductivity, Cambridge, United Kingdom.

4:30 P.M. Q2.11
SUPERCONDUCTING AND CORROSION PROPERTIES OF R1-xCaxBa2-yLayCu3O7-8 SYSTEM, JiPing Zhou, John T. McDevitt, University of Texas, Department of Chemistry and Biochemistry, Austin, TX; and John Talvacchio, Westinghouse STC, Pittsburgh, PA.

4:45 P.M. Q2.12
FORMATION MECHANISM OF MICROCRACKS IN A MELT-PROCESSED YBa2Cu3O7-d CRYSTAL, Hee-Gyoun Lee, Korea Atomic Energy Research Institute, Superconductivity Research Laboratory, Taejon, Korea; Jong-Jin Kim, Chong-buk National University, Department of Materials Engineering, Chonju, Korea; Il-Hyun and Gye-Won, Korea Atomic Energy Research Institute, Superconductivity Research Laboratory, Taejon, Korea.

SESSION Q3: BULK PROCESSING
Chair: Martin Maley
Tuesday Morning, April 9
Golden Gate A3

8:30 A.M. *Q3.1
FUNDAMENTAL MATERIAL ASPECTS REGARDING B12223 TAPE PREPARATION, Peter Majewski, Stefanie Kaesche and Fritz Aldinger, Max-Planck-Institut für Metallforschung, Stuttgart, Germany.

9:00 A.M. Q3.2
GROWTH AND CHARACTERIZATION OF (Bi,Pb)2Sr2Ca2Cu3Ox SUPERCONDUCTING SINGLE CRYSTALS, Shaoyan Chu, Weida Qian and M.E. McHenry, Carnegie Mellon University, Department of Materials Science and Engineering, Pittsburgh, PA.

9:15 A.M. Q3.3
Tl-1223 PIT WIRES QUENCH STUDIES: MELT PROCESSING, James A. Voigt, E.L. Venturini, E.P. Roth, Sandia National Laboratories, Albuquerque, NM; E. Hellstrom, W. Zhang, University of Wisconsin-Madison, Madison, WI; and D. Miller, Argonne National Laboratories, Argonne, IL.

9:30 A.M. Q3.4
THE EFFECTS OF FLUORINE ADDITIONS ON TiBa2Ca2Cu3Ox PHASE FORMATION AND ITS SUPERCONDUCTING PROPERTIES, Yeon Soo Sung, Dean J. Miller, Ziaofeng Zhang, Petar J. Kostic, Robert T. Kampwirth and Kenneth E. Gray, Argonne National Laboratory, Materials Science Division, Argonne, IL.

9:45 A.M. Q3.5
THE SOLUBILITY OF LEAD IN THE Bi-2223 SUPERCONDUCTOR, Terry G. Holesinger, J.O. Willis, J. Bingert, J.Y. Coulter and Dean E. Peterson, Los Alamos National Laboratory, Los Alamos, NM.

10:00 A.M. BREAK

10:30 A.M. *Q3.6
NONDESTRUCTIVE SYNCHROTRON X-RAY SCATTERING MEASUREMENTS OF BULK STRUCTURAL PROPERTIES IN SUPERCONDUCTING (Bi,Pb)2Sr2Ca2Cu3O10-Ag TAPES, T.R. Thurston, U. Wildgruber, N. Jisrawi, M. Suenaga, Y.L. Wang, Brookhaven National Laboratory, Department of Physics, Upton, NY; and P. Haldar, Intermagnetics General Corporation, Latham, NY.

11:00 A.M. Q3.7
REACTION KINETICS AND THERMOMECHANICAL PROCESSING OF Bi-2223 TAPES MADE FROM AEROSOL PRECUSORS OF VARIOUS STOICHIOMETRY, S. Tirumala, University of Houston, Department of Mechanical Engineering, Houston, TX and Oak Ridge National Laboratory, Oak Ridge, TN; D.F. Lee, D.M. Kroeger, Oak Ridge National Laboratories, Department of Metals and Ceramics, Oak Ridge, TN; and K. Salama, University of Houston, Department of Mechanical Engineering.

11:15 A.M. Q3.8
NOVEL MICROSTRUCTURES IN THE METALLIC PRECURSOR ROUTE IN FORMING MULTIFILIMENTARY, Bi2Sr2Ca2Cu3O10 WIRES, J.J. Kramer, Ames Laboratory, Ames, IA; L.J. Masur and C.A. Craven, American Superconductor Corporation, Westbrough, MA.

11:30 A.M. Q3.9
PROCESSING OF LONG LENGTH(>100 METER) Bi-2212 Ag-SHEATHED TAPES IN A RING-SHAPED FURNACE, T. Haugan, F. Wong, S. Patel, J. Ye and D.T. Shaw, State University of New York at Buffalo, New York State Institute on Superconductivity and Department of Electrical Engineering, Buffalo, NY.

11:45 A.M. Q3.10
ROLE OF CONSTITUENTS ON THE BEHAVIOR OF COMPOSITE BPSCCO TAPES, Cumaraswamy Vipulanandan, Sherif Salib and M. Mironova, TCSUH, Civil and Environmental Engineering, Houston, TX.

SESSION Q4: FUNDAMENTALS
Chair: S. Babcock
Tuesday Afternoon, April 9
Golden Gate A3

1:30 P.M. *Q4.1
HIGH-TC MECHANISM AND MATERIALS ISSUES IN 1995, R.J. Joynt, University of Wisconsin, Physics Department, Madison, WI.

2:00 P.M. Q4.2
PERPENDICULAR AND PARALLEL CONDUCTION AND RESONANT TUNNELING IN CUPRATE CONDUCTORS WITH VARYING O-CONTENT, J. Halbritter, Institut für Materialforschung, Forschungszentrum, Karlsruhe, Germany.
2:15 P.M. *Q4.3
MAGNETIC FLUX PENETRATION AND AC LOSSES IN HIGH-TEMPERATURE SUPERCONDUCTORS, John R. Clem, M. Benkraouda, T. Pe and J. McDonald, Iowa State University, Ames Laboratory-USDOE and Department of Physics, Ames, IA.

2:45 P.M. BREAK

3:15 P.M. *Q4.4
THE MICROSTRUCTURE OF YBa2Cu3O7- AND Bi2Sr2CaCu2Ox GRAIN BOUNDARIES AND THEIR RELATIONSHIPS TO ELECTROMAGNETIC PROPERTIES, S.E. Babcock, University of Wisconsin-Madison, Department of Materials Science and Engineering and Applied Superconductivity Center, Madison, WI.

3:45 P.M. Q4.5
WHAT LIMITS THE CRITICAL CURRENTS IN Bi2Sr2CaCu2O8+ AT HIGH FIELDS: THE VORTEX MOTION OR THE GRAIN-BOUNDARY? Qiang Li, Y.N. Tsay, Y.M. Zhu and M. Suenaga, Brookhaven National Laboratory, Department of Applied Sciences, Upton, NY.

4:00 P.M. Q4.6
ELECTROMAGNETIC COUPLING STUDIED OF [001] AND [100] TILT NATURALLY GROWN Bi2Sr2CaCu2O8+x BICRYSTALS, Jyh-Lih Wang, X.Y. Cai, I-Fei Tsu, S.E. Babcock, D.C. Larbalestier, University of Wisconsin, Applied Superconductivity Center, Madison, WI; and M.D. Vaudin, NIST, Ceramics Division, Gaithersburg, MD.

4:15 P.M. Q4.7
THE EFFECTS OF HIGH ENERGY HEAVY ION IRRADIATION ON MAGNETIC VORTEX DYNAMICS IN Bi2Sr2Ca2Cu3O10/Ag TAPES, Y. Fukumoto, Y. Zhu, Q. Li, M. Suenaga, Brookhaven National Laboratory, Department of Applied Science, Upton, NY; T. Kaneko, K. Sato, Sumitomo Electric Industries, Ltd., Osaka, Japan; and Ch. Simon, Laboratoire CRISMAT, Caen, France.

4:30 P.M. Q4.8
MAGNETIC PROPERTIES OF HIGHT-Tc CUPRATES BY NANO-TORQUE MAGNETROMETRY, C. Rossel, P. Bauer, IBM Research Division, Zurich Research Laboratory, Ruschlikon, Switzerland; D. Zech, J. Hofer and H. Keller, Physik-Institut der Universitat Zurich, Zurich, Switzerland.

4:45 P.M. Q4.9
MAGNETIC PROPERTIES STUDIES IN TlBa2Ca3Cu4O11-8 CRYSTALS, Lu Zhang, California State University, Department of Physics, Turlock, CA; J.Z. Liu, University of California, Physics Department, Davis, CA; C. Collins, N. Navid, California State University, Department of Physics, Turlock, CA; and R.N. Shelton, University of California, Department of Physics, Davis, CA.
SESSION Q5: IBAD
Chair: Helmut Kinder and Chang Bom Eom
Wednesday Morning, April 10
Golden Gate A3

8:30 A.M. *Q5.1
BIAXIALLY ALIGNED YBCO TAPES WITH TEXTURED YSZ BUFFER LAYERS DEPOSITED BY IBAD METHOD, Y. Iijima, M. Hosaka, N. Tanabe, N. Sadakata, T. Saitoh, O. Kohno, Fujikura Ltd., Tokyo, Japan; and J. Yoshitomi, Super-GM, Osaka, Japan.

9:00 A.M. *Q5.2
FABRICATION OF YBCO/TSZ/NI TAPES, P.N. Arendt, S.R. Foltyn, X.D. Wu, W.R. Blumenthal, I.H. Campbell, J.D. Cotton, J.Y. Coulter, R.F. DePaula, J.S. Groves, W.L. Hults, M.P. Maley, D.E. Peterson, H.F. Safar, J.L. Smith and J.O. Willis, Materials Science and Technology Division, Los Almos, NM.

9:30 A.M. *Q5.3
THICK FILM YBCO FOR TAPES USING IBAD BUFFER: SCALE-UP ISSUES AND COST ESTIMATES, Robert H. Hammond, Stanford University, Edward L. Ginzton Laboratory, Stanford, CA.

10:00 A.M. BREAK

10:30 A.M. Q5.4
FABRICATION OF BIAXIALLY TEXTURED SUPERCONDUCTORS USING THE RABiTS PROCESS, A. Goyal, D.P. Norton, E.D. Specht, M. Paranthaman, Qing He, P.M. Martin, J.D. Budai, D.M. Kroeger, D.K. Christen, F.A. List and J.R. Thompson, Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, TN.

10:45 A.M. Q5.5
YBCO GROWTH ON TEXTURED BUFFER LAYERS PREPARED BY ION BEAM ASSISTED DEPOSITION, C.P. Wang, K.B. Do, T.H. Geballe, M.R. Beasley and R.H. Hammond, Stanford University, Ginzton Laboratory, Stanford, CA.

11:00 A.M. Q5.6
A COMPARISON OF ION BEAM ASSISTED ELECTRON BEAM DEPOSITION AND DUAL ION BEAM SPUTTERING, Neville Sonnenberg, Michael Cima and Kevin Ressler, Massachusetts Institute of Technology, CPRL, Cambridge, MA.
11:15 A.M. Q5.7
PREPARATION OF YBa2Cu3O7-X FILMS ON AMORPHOUS SUBSTRATES WITH A YSZ BUFFER LAYER FABRICATED USING ION-BEAM ASSISTED PULSED LASER DEPOSITION, K.Y. Chen, S. Afonso, G.J. Salamo, Q. Xiong, F.T. Chan, University of Arkansas, Physics Department, Fayetteville, AR; and L.W. Schaper, University of Arkansas, Department of Electrical Engineering, Fayetteville, AR.

11:30 A.M. Q5.8
DEPOSITION OF YBCO BY PLASMA FLASH EVAPORATION, G. Lins, B. Michelt and R.F.. Seeboeck, Siemens Corporate Research and Development, Erlangen, Germany.

11:45 A.M. Q5.9
FABRICATION OF Ti2Ba2CaCu2O8+y SUPERCONDUCTING THIN FILMS ON POLYCRYSTALLINE Ai2O3 SUBSTRATE WITH A BIAXIALY ALIGNED YSZ BUFFER LAYER, Q. Xiong, S. Afonso, K.Y. Chen, F.T. Chan, G. Salamo, University of Arkansas, Department of Physics/High Density Electronics Center, Fayetteville, AR; and L. Schaper, University of Arkansas, Department of Electrical Engineering/High Density Electronics Center, Fayetteville, AR.

SESSION Q6: LARGE AREA & GENERAL FILM DEPOSITION
Chairs: Dean Face and John Talvacchio
Wednesday Afternoon, April 10
Golden Gate A3
1:30 P.M. *Q6.1
DEPOSITION OF YBCO FILMS ON AREAS OF 9 INCHES-METHOD AND APPLICATIONS, Helmut Kinder, Werner Prusseit, Robert Semerad and Paul Berberich, Technische Universität München, Physik Department, Garching, Germany.

2:00 P.M. Q6.2
VERY LARGE AREA UNIFORM DEPOSITION OF YBa2Cu3O7 THIN FILMS BY 90deg. OFF-AXIS SPUTTERING TECHNIQUE, C.B. Eom and R.A. Rao, Duke University, Department of Mechanical Engineering and Materials Science, Durham, NC.

2:15 P.M. Q6.3
LARGE AREA PULSED LASER DEPOSITION OF HTS-THIN FILMS, J. Schubert and W. Zander, Institut für Schicht-und Ionentechnik, Forschungszentrum Jülich, Jülich, Germany.

2:30 P.M. Q6.4
DEVELOPMENT OF AN AUTOMATED HIGH THROUGHPUT OFF-AXIS MAGNETRON SPUTTERING TECHNIQUE FOR DEPOSITION OF YBa2Cu3O7-, Zihong Lu, C.N. Soble, Kelly Truman, Brady Cole, Kurt Von Dessonneck and Ward Ruby, Conductus, Inc., Sunnyvale, CA.

2:45 P.M. BREAK

3:15 P.M. Q6.5
CONTROL OF THE IN-PLANE ORIENTATION OF (001) YBa2Cu3O7- DEPOSITED ON (002) MgO, D.B. Buchholz, J. Leil, S. Mahajan, J.L. Schindler, C.R. Kannewurf, T.J. Marks, B. Hinds, R.P.H. Chang, Northwestern University, Materials Research Center, Evanston, IL; Y. Huang and K. Merkle, Argonne National Laboratory, Argonne, IL.

3:30 P.M. Q6.6
IN-PLANE ALIGNED GROWTH OF THE a-AXIS ORIENTED YBa2Cu3O7-x THIN FILMS ON LaSrGaO4(100) SUBSTRATES BY PLD, Gun Yong Sung and Jeong Dae Suh, Electronics and Telecommunications Research Institute, Taejon, Korea.

3:45 P.M. Q6.7
AFM STUDY OF MgO SURFACE FINISHING AND ITS INFLUENCE ON EPITAXIAL GROWTH OF YBa2Cu3O7- THIN FILMS, M.P. Delplancke, Université Libre de Bruxelles, Department of Metallurgy and Electrochemistry, Brussels, Belgium; M. Ye, Université Libre de Bruxelles, Service de Physique des Solides, Brussels, Belgium; R. Winand, Université Libre de Bruxelles, Department of Metallurgy and Electrochemistry, Brussels, Belgium; and R. Deltour, Université Libre de Bruxelles, Service de Physique des Solides, Brussels, Belgium.

4:00 P.M. Q6.8
PROPERTIES OF LASER DEPOSITED EPITAXIAL YBCO FILMS ON UNBUFFERED MgO AND VICINALCUT LaAlO3, Laura L.H. King, Conductus Inc., Sunnyvale, CA; and Rand R. Biggers, Materials Directorate, Wright Laboratory, Wright Patterson, OH.

4:15 P.M. Q6.9
GROWTH AND CHARACTERIZATION OF SINGLE PHASE (Hg,Tl)1Ba2Ca2Cu3Ox FILMS OF Tc > 125 K, Fatt Foong and S.H. Liou, University of Nebraska-Lincoln, Physics and Astronomy, Lincoln, NE.

4:30 P.M. Q6.10
GROWTH OF SUPERCONDUCTING EPITAXIAL Tl2Ba2CuO6+ THIN FILMS WITH TETRAGONAL LATTICE AND CONTINUOUSLY ADJUSTABLE CRITICAL TEMPERATURE, Z.F. Ren, C.A. Wang, J.H. Wang, New York State Institute on Superconductivity and Department of Chemistry, State University of New York at Buffalo, Buffalo, NY; D.K. Christen, Oak Ridge National Laboratory, Oak Ridge, TN; and D.J. Miller, Argonne National Laboratory, Argonne, IL.
4:45 P.M. Q6.11
FABRICATION OF VIAS FOR USE IN HIGH TEMPERATURE SUPERCONDUCTOR MULTICHIP MODULES, J.W. Cooksey, W.D. Brown, S. Afonso, S.S. Scott and L.W. Schaper, University of Arkansas, High Density Electronics Center, Fayetteville, AR.

SESSION Q7: POSTER SESSION
Chairs: Qiang Li and Bart Riley
Wednesday Evening, April 10
Presidio Ballroom

Q7.1 AN INFLUENCE OF ADDITIVES ON MICROSTRUCTURE AND SUPERCONDUCTING PROPERTIES OF YBa2Cu3O7- CERAMICS, E.D. Politova, K.I. Furaleva and S.G. Prutchenko, L.Ya.Karpov Institute of Physical Chemistry, Moscow, Russia.

Q7.2 PHASE RELATIONS IN THE SYSTEM Y-Ni-B-C-WITH EMPHASIS ON THE SUPERCONDUCTING COMPOUND YNi2B2C, Peter Majewski, Max-Planck Institute, Metalltorschuma PML, Stuttgart, Germany.

Q7.3 THE 1212-COMPOUND IN THE SYSTEM Bi-Sr-Y-Cu-O AND POSSIBLE OPTIMIZATION BY DOPING, Stefanie Kaesche, Peter Majewski and Fritz Aldinger, Max-Planck-Institut für Metallforschung, Pulvermetallurgisches Laboratorium, Stuttgart, Germany.

Q7.4 A NEW METHOD FOR THE SUPERCONDUCTING JOINT OF Bi(2223)/Ag TAPES, J. Sha, B. Chen, H. Fang, Z.K. Jiao and Q.R. Zhang, Zhejiang University, Department of Physics, Hangzhou, China.

Q7.5 EFFECTS ON THE TIME SEQUENCE OF THE COLD ROLLING ON THE CRITICAL CURRENT DENSITIES OF AG-ALLOY SHEATHED (Bi,Pb)2223 TAPES, M. Penny, C. Beduz and Y.Yang, Institute of Cryogenics, University of Southampton, Southampton, United Kingdom.

Q7.6 PHYSICOCHEMICAL PROPERTIES OF SOME CUPRATES AND BISMUTHATES IN Bi2O3-SrO-CaO-CuO SYSTEM, Andrew I. Clyndyuck, Gennady S. Petrov, 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.

Q7.7 THERMAL EXPANSION AND ELECTRICAL CONDUCTIVITY OF BaCuO2 AND Y2Cu2O5,
Gennady S. Petrov, Andrew I. Clyndyuck and Leonid A. Bashkirov, Byelorussian State Technological University, Department of Physical and Colloid Chemistry, Minsk, Belarus.

Q7.8 THE LOW ELECTRON ENERGY LOSS SPECTROSCOPY (EELS) AND AUTO-IONISATION STUDIES ON YTTRIUM -BARIUM-COPPER-OXIDE (YBCO) SUPERCONDUCTOR, R. Suryanarayanan, CNRS, Laboratoire de Chimie des Solids de Bellevue, Meudon, France; V.S. Tomar, V.H.S. Moorthy, National Physical Institution, Superconductivity Department Superconductivity, New Delhi, India; S.M. Shivaprasad, National Physical Laboratory, Surface Science, New Delhi, India; and Arabinda Das, Laboratoire de Chimie des Solids de Bellevue, Meudon, France.

Q7.9 INFLUENCE OF Sr ON SUPERCONDUCTIVITY IN (Er0.76Ca0.24)Ba2-YSrY(Cu2.76Co0.24)O7-d, R.G. Kulkarni, K.M. Pansuria, U.S. Joshi, D.G. Kuberkar and G.J. Baldha, Saurashtra University, Department of Physics, Rajkot, India.

Q7.10 A NEW Sr-Cu-O(F) PHASE? J.L. Kissick and C. Greaves, University of Birmingham, School of Chemistry, Birmingham, United Kingdom.

Q7.11 HIGH PRESSURE ELECTRICAL RESISTIVITY STUDIES ON YBa2-xLaxCu3O7+6 T.S. Subbaraman, Anna University, Department of Physics, Madras, India; T.S. Sampath, Madras University, Department of Nuclear Physics, Madras, India; and S. Natarajan, Anna University, Department of Physics, Madras, India.

Q7.12 MICROSTRUCTURE AND LEVITATION PROPERTIES OF Y123/211 LARGE-CRYSTALLINE MATERIALS OBTAINED BY MELT TECHNIQUES, D.I. Grigorashev, N.N. Oleynikov, S.V. Sokolov, Moscow State University, Department of Chemistry, Moscow, Russia; and A.N. Terentiev, Institution for Chemical Physics of Russian Academy of Science, Moscow, Russia.

Q7.13 SYNTHESIS AND PROPERTIES OF THE SUPERCONDUCTING ALLOY SYSTEM, Sr2-xMxCuO2F2+ WITH M = Ca or Ba, B. Morosin, E.L. Venturini, J.E. Schirber and R.G. Dunn, Sandia National Laboratories, Albuquerque, NM.

Q7.14 EVALUATING NEODYMIUM GALLATE (NGO) AS A DIFFUSION BARRIER BETWEEN NICKEL SHEATH AND YBCO DURING HIGH TEMPERATURE MELT PROCESSING, Rama Nekkanti, UES, Inc., Wright-Patterson AFB, OH; Sankar Sambasivan, Northwestern University, Industrial Research Laboratory, Evanston, IL; and Charles Oberly, Wright-Paterson AFB, Wright-Patterson AFB, OH.

Q7.15 LOW TEMPERATURE GROWTH OF YBa2Cu3O6+d CRYSTALS ON A SUBTRATE WITH BaF2-ADDED OXIDE SOLUTION, Y. Yamada, Y. Niiori, Y. Yoshida, I. Hirabayashi and S. Tanaka, ISTEC, Superconductivity Research Laboratory, Nagoya, Japan.

Q7.16 MICROANALYSIS OF SAMPLES STRUCTURES OF HTSC-CERAMICS IN A SYSTEM Y-Ba-Cu-O, A. Rybnikov and T.T. Krukov, NPO CKTI, St. Petersburg, Russia.

Q7.17 SENSITIVITY OF GdBaSrCu3Ox TO ETHANOL AND WATER VAPOR, P.J. Kostiá, B.W. Veal, A.P. Paulikas, Argonne National Laboratory, Argonne IL; and P. Klamut, Institute of Low Temperature and Structure Research, Wroclaw, Poland.

Q7.18 THE DEVELOPMENT OF TEXTURE IN BULK Bi-2212 CURRENT LEADS, Terry G. Holesinger, J. Yates Coulter and Dean Peterson, Los Alamos National Laboratory, Los Alamos, NM.

Q7.19 OPTIMIZATION OF THE SUPERCONDUCTIVITY OF Bi2Sr2Ca(CuO1-xCuSx)2O8 (Bi:2212S) AND ITS COMPARISON WITH Bi2Sr2CaCU2O8 SUPERCONDUCTOR, A.R.L.C. Lobo, V.P.S. Awana, J.M. Ferreira and J. Albino Aguiar, UFPE, Departamento de Fisica, Recife, Brazil.

Q7.20 EFFECT OF SILVER AND LEAD ADDITIVES ON THE MICROSTRUCTURE AND SUPERCONDUCTING PROPERTIES OF HoBa2Cu3O7- SUPERCONDUCTOR, C.C. Gameiro, V.P.S. Awana, J. Albino Aguiar and J.M. Ferreira, UFPE, Departamento de Fisica, Recife, Brazil.

Q7.21 SINGLE PHASE YBa2Cu3O7 POWDER PRODUCTION THROUGH PROCESS PARAMETER OPTIMIZATION, John S. Hurley, Charles Pierre, Emmanuel Karikari, Stephen Hiamang, Clark Atlanta University, Space Electronic Materials and Superconductivity Laboratory, Atlanta, Georgia; Stephen Stecura, Ben Ebiharra and Crystal Cubbage, NASA Lewis Research Center, Cleveland, OH.

Q7.22 Bi2Sr2CaCu2Ox CERAMICS: MELT CASTING SYNTHESIS AND DOPING BY STRONTIUM ZIRCONATE, Olga V. Pupysheva, Oleg A. Shlyakhin, Valery I. Putlyaev and Yuri D. Tretyakov, Moscow State University, Chemistry Department, Moscow, Russia.

Q7.23 INFLUENCE OF EXCESS PLATINUM, SILVER AND YTTRIUM CONTAINING ADDITIVES ON THE MICROSTRUCTURAL AND PHASE FORMATION KINETICS IN THE YBa2Cu3O7-d SYSTEM, J.G. Fagan, K.D. Vuong, E. Tenpass, M. Hulling, X.W. Wang and R.L. Snyder, NYS College of Ceramics at Alfred University, Alfred, NY.

Q7.24 SUPERCONDUCTING PROPERTIES IN THALLIUM AND RHENIUM DOPED BARIUM FREE MERCURY BASED COMPOUNDS, I.C. Chang, J.Z. Liu and R.N. Shelton, University of Califonia, Department of Physics, Davis, CA.

Q7.25 ELECTROMECHANICAL PROPERTIES OF JOINTED BPSCCO COMPOSITIES, Cumaraswamy Vipulanandan, TCSUH, Civil and Environmental Engineer, Houston, TX; and Guangping Yang, TCSUH, Mechanical Engineering, Houston, TX.

Q7.26 PHOTO-INDUCED PHENOMENA IN YBa2Cu3O7- SUPERCONDUCTORS: OPTICAL STUDY, Alexei Ioujanin, Ukrainian Academy of Sciences, Institute for Applied Problems of Mechanics and Mathematics, Lvov, Ukraine; and Sergij Malynych, Lvov State University, Department of Physics, Lvov, Ukraine.

Q7.27 PREPARATION DEPENDENCE OF SUPERCONDUCTING PROPERTIES IN YBaSr(Cu1-xFex)3Oy, James R. O'Brien, H. Oesterreicher, University of California, San Diego, Department of Chemistry, La Jolla, CA; and R.D. Taylor, Los Alamos National Laboratory, Los Alamos, NM.

Q7.28 THE EFFECT OF FLUORINE ON THE PROCESSING OF Tl-BASED SUPERCONDUCTERS, M.A. Rodriguez, E.P. Roth, J.A. Voigt and E.L. Venturini, Sandia National Laboratories, Albuquerque, NM.

Q7.29 X-RAY ANALYSIS OF OXYGEN DIFUSION IN HTSC SURFACE LAYERS, S.I. Sidorenko and R.I. Barabash, Technic University, Department of Metal Physics, Kiev, Ukraine.

Q7.30 X-RAY ABSORPTION FINE STRUCTURE APPLIED TO THE STUDY OF LOCAL LATTICE INSTABILITIES, Jose Mustre-de Leon, CINVESTAV-Merida, Merida, Mexico.

Q7.31 STRAIN TOLERANCE OF SUPERCONDUCTING PROPERTIES OF BULK MgO-WHISKER-REINFORCED HTS BPSCCO COMPOSITE, G.Z. Zhang, M.S. Wong and S.S. Wang, University of Houston, Mechanical Engineering Department and Texas Center for Superconductivity, Houston, TX.

Q7.32 ELECTROPHORETIC DEPOSITION OF HIGH Tc BiSrCaCuOx SUPERCONDUCTORS, V.R. Rakesh, C.F. Yue, R.K. Singh, University of Florida, Department of Materials Science and Engineering, Gainesville, FL; Joseph La Veigne and D. Tanner, University of Florida, Department of Physics, Gainesville, FL.

SESSION Q8: DEFECTS, GRAIN BOUNDARIES,
DOPING AND PINNING
Chairs: Dan Oates and Ron Ono
Thursday Morning, April 11
Golden Gate A3
8:30 A.M. *Q8.1
TAILORING THE MICROSCOPIC DEFECT STRUCTURE IN YBa2Cu3O7- (YBCO) THIN FILMS, T. Haage, J.Q. Li, Q.D. Jiang, M. Cardona, J. Zegenhagen and H.-U. Habermeier, Max-Planck-Institut für Festkörperforschung, Stuttgart, Germany.

8:45 A.M. Q8.2
NEAR-FIELD SCANNING OPTICAL MICROSCOPY IMAGING OF DEFECTS IN SrTiO3 BICRYSTALS, E.B. McDaniel, J.W.P. Hsu, University of Virginia, Charlottesville, VA; and J.Z. Xun, IBM T.J. Watson Research Center, Yorktown Heights, NY.

9:15 A.M. Q8.3
ENHANCE OF THE CRITICAL CURRENT IN A JOSEPHSON TUNNELING JUNCTION BY VARIOUS DEFECT SIZE AND POSITION, T.C. Chow, National Sun Yat-Sen University, Department of Physics, Kaohsiung, Taiwan; and H.Z. Chen, National Sun Yat-Sen University, Department Electrical Engineering, Kaohsiung, Taiwan.

9:30 A.M. Q8.4
MICROSTRUCTURAL AND SUPERCONDUCTING PROPERTIES OF LASER ABLATED Au-DOPED YBa2Cu3O7- THIN FILMS, R. Pinto, K.I. Gnanaseker, S. Pai and P.R. Apte, Tata Institute of Fundamental Research, Bombay, India

9:45 A.M. Q8.5
EFFECTS ON O-DOPING ON YBCO-SUPERCONDUCTORS, T. Jacobs, University of Karlsruhe, Department of Physik, Karlsruhe, Germany; K. Numssen, Forschungszentrum Karlsruhe, Karlsruhe, Germany; J. Hasse, University of Karlsruhe, Department of Physik, Karlsruhe, Germany; and J. Halbritter, Forschungszentrum Karlsruhe, Karlsruhe, Germany.

10:00 A.M. BREAK

10:30 A.M. Q8.6
INFLUENCE OF SURFACE MORPHOLOGY ON PINNING IN YBa2Cu3O7 THIN FILMS, B. Stäuble-Pümpin, B. Dam, J.H. Rector, J.C. Martinez, G. Doornbos, R. Surdeanu and R. Griessen, Vrije Universiteit, Department of Physics and Astronomy, Amsterdam, Netherlands.

10:45 A.M. Q8.7
FLUX PINNING AND SOFT VORTEX LATTICE IN A-AXIS ORIENTED EuBa2Cu3O7/PrBa2Cu3O7 SUPERCONDUCTING SUPERLATTICES, M. Vèlez, Dpto. Fìsica de Materiales, Fac. Fìsicas, Universidad Complutense, Madrid, Spain; E.M. González, Dpto. de Propiedades Opticas, Magnèticas y de Transporte, ICM Madrid, Spain; J.I. Martin and J.L. Vincent, Dpto. Fìsica de Materiales, Fac. Fìsicas, Universidad Complutense, Madrid, Spain.

11:00 A.M. Q8.8
VORTEX PINNING AND CRITICAL CURRENT DENSITY IN Tl-2212: THIN FILM VERSUS SINGLE CRYSTAL, E.L. Venturini, B. Morosin, P.P. Newcomer, H. Schöne, B.L. Doyle, Sandia National Laboratories, Albuquerque, NM; and K.E. Meyers, E.I. duPont de Nemours and Corporation Inc., Central and development, Wilmington, DE.

11:15 A.M. Q8.9
ANISOTROPIC CRITICAL CURRENTS OF YBCO SPUTTERED FILMS, Joseph Baixeras, LGBP/SUPELEC Plateau de Moulon, and, Otman Sarrhini, LGEP/SUPELEC, Gif-sur-Yvette, France.

11:30 A.M. Q8.10
MAGNETO-OPTICAL AND TRANSMISSION ELECTRON MICROSCOPY OBSERVATIONS OF NON-BOUNDARY WEAK-LINKED REGIONS IN Bi2Sr2CaCu2O8+x SINGLE CRYSTALS, Jyh-Lih Wang, I-Fei Tsu, A.A. Polyanskii, S.E. Babcock and D.C. Larbalestier, University of Wisconsin, Applied Superconductivity Center, Madison, WI.

11:45 A.M. Q8.11
GEOMETRICAL MODEL FOR THE FORMATION OF DISLOCATIONS IN THIN SUPERCONDUCTING FILM ON MISMATCHED SUBSTRATES, Vasili Svetchniko, and Vladimir Pan, Institute for Metal Physics, Kiev, Ukraine.

SESSION Q9: JOSEPHSON JUNCTIONS
Chairs: Jim Murduck and Steve Anlage
Thursday Afternoon, April 11
Golden Gate A3

1:30 P.M. *Q9.1
MAKING HIGH-Tc SQUIDS PRACTICAL, W.J. Gallagher, P.J. Woeltgens, J.Z. Sun, J.R. Rozen, F. Milliken, IBM T.J. Watson Research Center, Yorktown Heights, NY; D. Lathrop, Quantum Magnetics, Yorktown Heights, NY; R.B. Laibowitz, R.H. Koch, IBM T.J. Watson Research Center, Yorktown Heights, NY; S. Haupt, Quantum Magnetics, Yorktown Heights, NY; S.L. Brown and R.A. Altman, IBM T.J. Watson Research Center, Yorktown Heights, NY.
2:00 P.M. Q9.2
TEM ANALYSIS OF THE MICROSTRUCTURE OF BICRYSTAL SQUIDS AND THE EFFECT OF STRUCTURE ON NOISE PERFORMANCE, Y. Huang, K.L. Merkle, Argonne National Laboratory, Argonne, IL; Luke Lee and K. Char, Conductus, Inc., Sunnyvale, CA.

2:15 P.M. Q9.3
DEVELOPMENT AND FABRICATION OF EDGE-GEOMETRY SNS JOSEPHSON JUNCTIONS AND DC SQUIDS, O.X. Jia, X.D. Wu, D.W. Reagor, S.R. Foltyn, C. Mombourquette and D.E. Peterson, Los Alamos National Laboratory, Superconductivity Technology Center, Los Alamos, NM.

2:30 P.M. Q9.4
INDUCTANCE MEASUREMENTS IN MULTILAYER EDGE-SNS- AND STEP-EDGE SQUIDS, M.G. Forrester, B.D. Hunt, J.D. McCambridge, J. Talvacchio, D.L. Miller, J.X. Przybysz and R.M. Young, Westinghouse STC, Pittsburgh, PA.

2:45 P.M. BREAK

3:15 P.M. *Q9.5
HTS DIGITAL INTEGRATED CIRCUIT FABRICATION, J. Talvacchio, M.G. Forrester, B.D. Hunt, J.D. McCambridge, D.L. Miller and R.M. Young, Westinghouse STC, Pittsburgh, PA.

3:45 P.M. Q9.6
PROPERTIES OF JOSEPHSON DEVICES FABRICATED ON SILICON SUBSTRATES BY ELECTRON BEAM WRITING TECHNIQUE, B. Nadgorny, S. Shokhor, S.K. Tolpygo, M. Gurvitch, State University of New York at Stony Brook, Physics Department, Stony Brook, NY; P.A. Rosenthal, Advanced Fuel Research, Inc. East Hartford, CT.

4:00 P.M. Q9.7
A NOVEL MICROSHADOW TECHNIQUE FOR ALL IN-SITU GROWTH OF YBCO/BARRIER/YBCO RAMP TYPE JOSEPHSON JUNCTIONS, M. Strikovskiy, A. Engelhardt, J. Schubert, KFA, Institut für Schicht- and Ionentechnik, Jülich, Germany; C.L. Jia, KFA, Institut für Festkörperforschung, Jülich, Germany.

4:15 P.M. Q9.8
HIGH-TcSNS EDGE JUNCTIONS INTEGRATED WITH YBCO GROUNDPLANES, B.D. Hunt, M.G. Forrester, J.D. McCambridge, J. Talvacchio and R.M. Young, Westinghouse STC, Pittsburgh, PA.

4:30 P.M. Q9.9
EPITAXIAL SNS HETEROSTRUCTURES OF COPPER-OXIDE-BASED ISOTROPIC METALLIC OXIDES, R.A. Rao, Q. Gan, C.B. Eom, Duke University, Department of Mechanical Engineering and Materials Science, Durham, NC; R. Domel and A.I. Braginski, Forschungszentrum, Julich, Germany.

4:45 P.M. Q9.10
EDGE JUNCTIONS USING IN-PLANE ALIGNED a-AXIS YBa2Cu3O7-x FILMS TO PROBE THE ANISOTROPIC JOSEPHSON COUPLING OF YBa2Cu3O7-x, L. Takeuchi, Y. Gim, F. Wellstood, C.J. Lobb, Z. Trajanovic and T. Venkatesan, University of Maryland, Center for Superconductivity Research, Department of Physics, College Park, MD.

SESSION Q10: POSTER SESSION: FILMS
Chair: Brian Hunt
Thursday Evening, April 11
8:00 P.M.
Presidio Ballroom

Q10.1 DC-SPUTTERING OF THIN Bi2Sr2CaCu2O8--FILMS, Thomas Kroener, E. Brecht, J. Hanssmann and R. Schneider, Forschungszentrum, INFP, Karlsruhe, Germany.

Q10.2 THE SYNTHESIS OF THALLIUM-BASED SUPERCONDUCTING THIN FILMS AND THE COMPARISON OF MICROWAVE SURFACE RESISTANCE OF Tl2Ba2CaCu2Ox SAPPHIRE RESONATORS WITH DIFFERENT SURFACE MORPHOLOGIES, H.C. Lai, C.M. Chang, Industrial Technology Research Institute, Department of Materials Research Laboratories, Hsinchu, Taiwan; L.Y. Chen and J.T. Lue, National Tsing Hua University, Department of Physics, Hsinchu, Taiwan.

Q10.3 CHARACTERISTICS OF Au/LaGaO3/YBCO TUNNEL JUNCTIONS FABRICATED BY ION-BEAM SPUTTERING, X.Y. Cai, K. Usami, T. Kobayashi and T. Goto, The University of Electro-communications, Tokyo, Japan.

Q10.4 KINETIC INDUCTANCE OSCILLATOR FOR OPTICAL RESPONSE OF YBCO IR BOLOMETER, S.Y. Shim, J.H. Park, C.H. Kim, T.S. Hahn, S.S. Choi, Korea Institute of Science and Technology, Applied Physics Laboratory, Seoul, Korea; S.Y. Shim, D.H. Kim and H.R. Lim, Yeungnam University, Department of Physics, Kyungsan, Korea.

Q10.5 INFLUENCE OF INITIAL DEPOSITION CONDITIONS ON Y-BaCu-O THICK FILMS PREPARATION, Kazufumi Shungai, Kenji Ebihara, Yukihiko Yamagata and Tomoaki Ikegami, Kumamoto University, Dept. of Electrical Engineering and Computer Science, Kumamoto, Japan.Q10.6 PREPARATION OF SUPERCONDUCTING FLUORINATED La2CuO4 THIN FILMS BY PULSED LASER ABLATION, S.T. Lees, Ian Gameson, Martin O. Jones, P.P. Edwards, C. Greaves, P. Woodall, F. Wellhofer, I. Langford, M. Slaski, University of Birmingham, School of Chemistry, Birmingham, United Kingdom.

Q10.7 GROWTH CONDITIONS OF TEXTURED C-AXIS NORMAL YBCO FILMS ON THE SUSTRATES WHOSE CRYSTALLINE ANGLES ARE TILTED BY VARIOUS ANGLES RANGING FROM 0deg. TO 45deg., SangJun Oh, JunHo Kim and Dojun Youm, KAIST, Department of Physics, Taejon, Korea.

Q10.8 MOCVD OF NdGaO3 FOR SUPERCONDUCTOR PACKAGING APPLICATIONS: MATERIAL AND PROCESS CHALLENGES AND SOLUTIONS, A. Ivanova, A. Knorr, A.E. Kaloyeros, University at Albany-SUNY, Center for Advanced Thin Film Technology and Physics Department, Albany, NY; V. Selvamanickam and M. Walker, Intermagnetics General Corporation, Latham, NY.

Q10.9 FABRICATION OF LOW NOISE AND PRECIPITATION FREE YBCO FILM, H. Chou, National Sun Yat-Sen University, Department of Physics, Kaohsiung, Taiwan; H.Z. Chen, National Sun Yat-Sen University, Department of Electrical Engineering, Kaohsiung, Taiwan; and T.C. Chow, Shing Wu, S.C. Jia, National Sun Yat-Sen University, Department of Physics, Kaohsiung, Taiwan; T.L. Lin, National Tsing-Hua University, Materials Science Center, Hsinchu, Taiwan; and Y.C. Chen, National Sun Yat-Sen University, Institute of Electrical Engineering, Kaohsiung, Taiwan.

Q10.10 THE FLUX-PHOTON INTERACTION IN A JOSEPHSON TUNNELING JUNCTION, T.C. Chow, National Sun Yat-Sen University, Department of Physics, Kaohsiung, Taiwan; H.Z. Chen, National Sun Yat-Sen University, Department of Electrical Engineering, Kaohsiung, Taiwan; Y.F. Cheng, National Sun Yat-Sen University, Department of Physics, Kaohsiung, Taiwan; T.L. Lin, National Tsing-Hua University, Materials Science Center, Hsinchu,Taiwan; and Y.C. Chen, National Sun Yat-Sen University, Institute of Electrical Engineering, Kaohsiung, Taiwan.

Q10.11 IN SITU FABRICATION OF SUPERCONDUCTING BOROCARBIDE THIN FILMS, S. Arisawa, K. Nakamura and K. Togno, National Research Institute for Metals, Ibaraki, Japan.

Q10.12 SCALING ISSUES FOR THE GROWTH OF HIGH-QUALITY LARGE-AREA TlBaCaCuO SUPERCONDUCTING THIN FILMS, M.P. Siegal, D.L. Overmeyer, F. Dominguez, E.L. Venturini, R. Dunn, P.P. Newcomer, Sandia National Laboratories, Albuquerque, NM; and K.E. Myers, E. I. duPont de Nemours & Co., Inc., Superconductivity, Wilmington, DE.

Q10.13 ION MILLING DAMAGE OF SUBSTRATES DURING FABRICATION OF HIGH Tc JUNCTIONS CHARACTERIZED BY RBS AND AFM, L. Takeuchi, R.P. Sharma, L. Senapathi, Z. Trajanovic and T. Venkatesan, University of Maryland, Center for Superconductivity Research, Department of Physics, College Park, MD.

Q10.14 ANISOTROPIC MAGNETIC DIFFRACTIONS IN IN-PLANE ALIGNED VERTICAL YBa2Cu3O7-x/Ag/PbIn JOSEPHSON JUNCTIONS, L. Takeuchi, C.J. Lobb, Z. Trajanovic, P.A. Warburton and T. Venkatesan, University of Maryland, Center for Superconductivity Research, Department of Physics, College Park, MD.

Q10.15 SYNTHESIS OF FLUORINE-FREE VOLATILE BARIUM COMPLEXES FOR USE AS MOCVD PRECURSORS, D.B. Studebaker, D.A. Neumayer, B.J. Hinds, T.J. Marks, Northwestern University, Department of Chemistry, Materials Research Center and the Science and Technology Center For Superconductivity, Evanston, IL; J. Zhang, Advanced Technology Materials, Danbury, CT.

Q10.16 TEMPERATURE DEPENDENT RAMAN STUDIES ON Ba(Mg1/3Ta2/3)O3(BMT), Ruiwu Tao, I.G. Siny, A.R. Guo, R.S. Katiyar, University of Puerto Rico, Department of Physics, Rio Piedras, PR; Rüyan Guo and A.S. Bhalla, Pennsylvania State University, Materials Research Laboratory, University Park, PA.

Q10.17 IN SITU CHARACTERIZATION OF COMPOSITION AND OXYGEN INCORPORATION DURING ION BEAM DEPOSITION OF YBa2Cu3O7-x, Alan R. Krauss, Argonne National Laboratory, MSD/CHM, Argonne, IL; Orlando Auciello, MCNC Electronics Technology Division, Research Triangle Park, NC; Jaemo Im, Argonne National Laboratory, MSD/CHM, Argonne, IL; Yao-Zhi Hu, Eugene A. Irene, University of North Carolina, Department of Chemistry, Chapel Hill, NC; Gary E. McGuire, MCNC Electronics Technology Division, Research Triangle Park, NC; V.S. Smentkowski, Dieter M. Gruen, Argonne National Laboratory, MSD/CHM, Argonne, IL; and Robert P.H. Chang, Northwestern University, Department of Materials Science, Evanston, IL.

Q10.18 ENHANCEMENT OF Tc IN POST ANNEALED YBa2Cu3O7-8 THIN FILMS BY LOW ENERGY ELECTRON IRRADIATION, Sergey K. Tolpygo, J.-Y. Lin and M. Gurvitch, State University of New York at Stony Brook, Department of Physics, Stony Brook, NY.

Q10.19 INFRARED DETECTOR WITH LOW NOISE AND HIGH OPTICAL PERFORMANCE BY PRECIPITATION FREE YBCO FILM AT 77K, H. Chou, National Sun Yat-Sen University, Department of Physics, Kaohsiung, Taiwan; H.Z. Chen, National Sun Yat-Sen University, Department of Electrical Engineering, Kaohsiung, Taiwan; T.C. Chow, M.T. Hong, Y.E. Cheng, National Sun Yat-Sen University, Department of Physics, Kaohsiung, Taiwan; T.L. Lin National Tsing-Hua University, Materials Science Center, Hsinchu, Taiwan; and Y.C. Chen, National Sun Yat-Sen University, Institute of Electrical Engineering, Kaohsiung, Taiwan.

Q10.20 ANALYSIS OF HIGH TEMPERATURE SUPERCONDUCTING BOLOMETERS FABRICATED BY PULSED LASER ETCHING ON Ag-DOPED AND UNDOPED YBCO/MgO(100) AND YBCO ON CeO2/AIN/SAPPHIRE(R-CUT), D.E. Moxey, R. Bhandari, R.D. Vispute, J. Narayan and C.B. Lee, North Carolina State University, Department of Materials Science and Engineering, Raleigh, NC.

Q10.21 SUPERCONDUCTING PROPERTIES OF CuNC60 SYSTEM, V.F. Masterov, A.V. Prichodko, Technical University, St. Petersburg, Russia; O.I. Konkov and E.I. Terukov, A.F. Ioffe Physical-Technical Institute of Russian Academy of Science, St. Petersburg, Russia.

Q10.22 YBa2CU3O7-x MULTILAYER STRUCTURES WITH AMORPHOUS DIELECTRIC LAYERS ON SINGLE CRYSTAL LaAlO3 (100) SUBSTRATES FOR MULTICHIP MODULES, S. Afonso, K.Y. Chen, Q. Ziong, F.T. Chan, G.J. Salamo, University of Arkansas, Physics Department, Fayetteville, AR; S. Scott, J. Cooksey, S. Ang, W.D. Brown and L.W. Schaper, University of Arkansas, Department of Electrical Engineering, Fayetteville, AR.

Q10.23 HYDROGENATION OF HIGH-Tc FILMS AT ROOM TEMPERATURE, S. Shokhor, B. Nadgorny, S.K. Tolpygo, M. Gurvitch, State University of New York at Stony Brook, Physics Department, Stony Brook, NY; and M. Strongin, Brookhaven National Laboratory, Brookhaven, NY.

Q10.24 HIGH RESOLUTION TRANSMISSION ELECTRON MICROSCOPY OF Ba1-xKxBiO3 SUPERCONDUCTOR-INSULATOR-SUPERCONDUCTOR GRAIN BOUNDARY TUNNEL JUNCTIONS, Siu-Wai Chan, Columbia University, Department of Chemical Engineering, Materials Science and Mining Engineering, New York, NY; A. Kussmaul, Spire Corporation, Bedford, MA; E.S. Hellman and E.H. Hartford, AT&T Bell Laboratory, Murray Hill, NJ.

Q10.25 PROPERTIES OF Y1Ba2C3O7-x GRAIN BOUNDARY JUNCTIONS ON LaAlO3(100) AND MgO(100) SUBSTRATES, S. Mahajan, D.B. Buchholz, J. Lei, R.P.H. Chang, S.N. Song, J.B. Ketterson, B. Hinds and T. Marks, Northwestern University, Department of Materials Research Center, Evanston, IL.

Q10.26 STRUCTURAL AND SUPERCONDUCTING PROPERTIES OF Au-DOPED YBa2Cu3O7-x THIN FILMS, Ramesh Chandra, Davinder Kaur, Guru Nanak Dev University, Department of Physics, Amritsar, India; and R. Pinto, Tata Institute of Fundamental Research, Bombay, India.

Q10.27 PENETRATION DEPTH MEASUREMENTS OF Ag DOPED YBa2Cu3O7-x THIN FILMS, Davinder Kaur, Guru Nanak Dev University, Department of Physics, Amritsar, India; and R. Pinto, Tata Institute of Fundamental Research, Bombay, India.

Q10.28 GROWTH OF 2" DOUBLE-SIDED SUPERCONDUCTING YBa2Cu3O7- FILMS ON SAPPHIRE WITH LOW MICROWAVE SURFACE RESISTANCE, T.S. Kaplen and M.E. Johansson, Conductus, Inc., Sunnyvale, CA.

Q10.29 BUFFERED CITRIC ACID WET CHEMICAL ETCHING OF YBCO THIN FILMS: EFFECT OF pH, Douglas L. Schulz, Ed. Urgiles, David S. Ginley, National Renewable Energy Laboratory, Golden, CO; Donald C. DeGroot, Ronald H. Ono and David A. Rudman, National Institute for Standard and Technology, Boulder, CO.

JOINT SESSION Q11/T11: APPLICATIONS
AND FERROELECTRIC FILMS
Friday Morning, April 12
Golden Gate A3

8:30 A.M. Q11.1/T11.1
HTS MATERIALS FOR HIGH POWER RF AND MICROWAVE APPLICATIONS, D.W. Face, C. Wilker, Z.-Y. Shen and P.S.W. Pang, E. I. duPont de Nemours & Co., Inc., Superconductivity, Wilmington, DE.

9:00 A.M. Q11.2/T11.2
POWER-DEPENDENT MICROWAVE LOSSES IN HIGH TEMPERATURE SUPERCONDUCTING THIN FILMS, J.A. Beall, R.H. Ono, A. Roshko, D.A. Ruckman, F. Stork, National Institute of Standards and Technology, Electromagnetic Technology Division, Boulder, CO; and D.C. DeGroot, National Institute of Standards and Technology, Electromagnetic Fields Division, Boulder, CO.

9:15 A.M. Q11.3/T11.3
NONLINEAR MICROWAVE FLUX DYNAMICS: RELATIONSHIP BETWEEN PINNING AND POWER DEPENDENCE, Daniel E. Oates, Engineering Chief Scientist Organization, Department of Physics, Lexington, MA; Nathan Belk, Engineering Chief Scientist, Department of Physics, Cambridge, MA; and Gene Dresselhaus, Engineering Chief Scientist, FBNML, Camridge, MA; and Mildred Dresselhaus, Engineering Chief Scientist, Department of Physics, Cambridge, MA.

9:30 A.M. Q11.4/T11.4
MAGNETIC, STRUCTURAL, AND TRANSPORT PROPERTIES OF A YBa2Cu3O7-5 ON NiZn-FERRITE MULTILAYER FILM, Paul C. Dorsey, Raymond C.W. Auyeung, Douglas B. Chrisey, Peter Lubitz and James S. Horwitz, Naval Research Laboratory, Washington, DC.

9:45 A.M. BREAK

10:15 A.M. *Q11.5/T11.5
POTENTIAL REWARDS AND REAL CHALLENGES FOR INTEGRATING HIGH Tc SUPERCONDUCTING THIN FILMS INTO MICROWAVE APPLICATIONS, R.E. Treece, C,.H. Mueller, J.B. Thompson, M. Heiny, G.A. Koepf, R.M. Yandrofski, Superconducting Core Technologies, Golden, CO; A. Knauss, J.S. Horwitz, Naval Research Laboratory, Washington DC; D. Galt, J.C. Price and C.T. Rogers, University of Colorado, Department of Physics, Boulder, CO.

10:45 A.M. Q11.6/T11.6
OPTIMIZATION OF HETEROEPITAXIAL YBa2Cu3O7-x/BaxSr1-xTiO3 MULTILAYERS FOR TUNABLE MICROWAVE COMPONENTS, E. Olsson, Yu. Boikov, R. Chakalov, Z.G. Ivanov, E. Carlsson and T. Claeson, Chalmers University of Technology/Göteborg University, Department of Physics, Göteborg, Sweden.

11:00 A.M. Q11.7/T11.7
DOPED SrTiO3 THIN FILMS FOR ACTIVE MICROWAVE APPLICATIONS, L.A. Knauss, J.M. Pond, J.S. Horwitz, Naval Research Laboratory, Washington, DC; C.H. Mueller, R.E. Treece, SCT, Golden, CO; and D.B. Chrisey, Naval Research Laboratory, Washington, DC.

11:15 A.M. Q11.8/T11.8
DIELECTRIC PROPERTIES OF EPITAXIAL SrTiO3 FILMS AT MICROWAVE FREQUENCIES, D. Galt, J.C. Price, C.T. Rogers, University of Colorado, Department of Physics, Boulder, CO; and J.B. Thompson, Superconducting Core Technologies, Golden, CO.

11:30 A.M. Q11.9/T11.9
DIELECTRIC PROPERTIES OF Ba0.5Sr0.5TiO3 THIN FILMS, L.A. Wills, Hewlett Packard Laboratory, Solid State Materials, Palo Alto, CA; and R. Jammy, Argonne National Laboratory, Argonne, IL.

11:45 A.M. Q11.10/T11.10
MICROWAVE MEASUREMENT OF THE DIELECTRIC CONSTANT OF BST FILMS, Byung-Tak-Jang and Hee-Chul Lee, KAIST, Department of Electrical Engineering, Yusong-gu, Korea.


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