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Symposium HH: Recent Advances in Superconductivity

Chairs |  Original Call for Papers

Tuesday Sessions | Wednesday Sessions | Thursday Sessions | Friday Sessions

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Recent Advances in Superconductivity
April 18 - 21, 2006
Chairs

Leonardo Civale		Los Alamos National Laboratory
Claudia Cantoni		Oak Ridge National Laboratory
Matthew Feldmann		University of Wisconsin-Madison
Xavier Obradors		CSIC

  Symposium Support Los Alamos National Laboratory Oak Ridge National Laboratory

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* Invited paper

SESSION HH1: Overviews of CC Development -- IBAD Template - Buffer Layers
Chairs: Terry Holesinger and Kaname Matsumoto
Tuesday Morning, April 18, 2006
Room 2020 (Moscone West)

8:30 AM *HH1.1
Recent Progress & Future Prospects for Applications in Coated Conductor Development of Japan Yuh Shiohara, Yutaka Yamada and Teruo Izumi; SRL-ISTEC, Koto-ku, Tokyo, Japan.

9:00 AM HH1.2
Progress in Scale up of Second-generation HTS Conductors at SuperPower. Venkat Selvamanickam, Yimin Chen, Xuming Xiong, Yi-Yuan Xie, Tom Salagaj, Jodi Reeves, Yunfei Qiao, Yijie Li, Ping Hou, Michael Gardner, Xun Zhang and Ken Lenseth; SuperPower, Schenectady, New York.

9:15 AM *HH1.3
Coated Conductors. Where Do we Need Fundamental Knowledge? Developments in Europe. Herbert C. Freyhardt, Univ. Goettingen, Inst. Materialphysik, Goettingen, Germany.

9:45 AM HH1.4
Fabrication of Long GdBCO Coated Conductor with High Production Rate by IBAD/MPMT-PLD Method. Akira Ibi¹, Hiroyuki Fukushima¹, Ytaka Yamada¹, Seiki Miyata¹, Reiji Kuriki¹, Kazuhiro Takahashi¹, and Yuh Shiohara². ¹SRL-ISTEC Coated Conductor Center, Nagoya, Japan; ²SRL-ISTEC Division of Superconducting Tapes & Wires, Tokyo, Japan.

10:00 AM BREAK

10:15 AM *HH1.5
Development of IBAD Process for Y-123 Coated Conductors. Yasuhiro Iijima, Kazuomi Kakimoto, Yasunori Sutoh, Naoki Kaneko, Satoru Hanyu and Takashi Saitoh; Material Technology Lab., Fujikura Ltd., Tokyo, Japan.

10:45 AM HH1.6
Ion Damage Anisotropy Investigations of MgO Crystals. Paul Nelson Arendt, Igor O. Usov, Raymond F. DePaula, James R. Groves and Liliana Stan; Superconductivity Technology Center, Los Alamos National Lab., Los Alamos, New Mexico.

11:00 AM HH1.7
Strategic Buffer Layer Development For Coated Conductors. Mariappan Parans Paranthaman¹, Srivatsan Sathyamurthy¹, Amit Goyal¹, Tolga Aytug¹, Venkat Selvamanickam², Thomas Kodenkandath², Xiaoping Li³ and Martin W Rupich³; ¹Oak Ridge National Laboratory, Oak Ridge, Tennessee; ²SuperPower Inc, Schenectady, New York; ³American Superconductor Corporation, Westborough, Massachusetts.

11:15 AM HH1.8
Scaling of Biaxial Texture Evolution during Ion-Beam Assisted Deposition of Rock-salt Materials Vladimir Matias, Konrad Gueth and Alp T. Findikoglu; MST-STC, Los Alamos National Laboratory, Los Alamos, New Mexico.

11:30 AM HH1.9
MOD YBCO on Electrodeposited LZO/CeO2/Ni-W Buffer Layer Raghu Nath Bhattacharya¹, Sovannary Phok¹, Tapas Chaudhuri¹, Thomas Kodenkandath² and Marty Rupich²; ¹National Renewable Energy Laboratory, Golden, Colorado; ²American Superconductor, Westborough, Massachusetts.

11:45 AM HH1.10
Biaxially Textured Sm_xZr_1-xO_y (SZO) Films Grown by Reactive Sputtering as Buffers for YBa₂Cu₃O_7-δ (YBCO) Coated Conductors Liliana Stan, Paul N. Arendt, Igor O. Usov, Haiyan Wang, Stephen R. Foltyn, Raymond F. DePaula and Yuan Li; MST-STC, Los Alamos National Laboratory, Los Alamos, New Mexico.

SESSION HH2: Issues in YBCO Film Growth
Chairs: Claudia Cantoni and Timothy Haugan
Tuesday Afternoon, April 18, 2006
Room 2020 (Moscone West)
1:30 PM *HH2.1
Issues Related to the Growth of Thick High Performance Superconducting Films. Q. X. Jia¹, S. R. Foltyn¹, H. Wang¹, Y. Lin¹, B. Maiorov¹, Y. Li¹, C. Wetteland¹, I. Usov¹, G. W. Brown¹, M. Hawley¹, V. A. Maroni², L. Civale¹, P. Arendt¹ and J. L. MacManus-Driscoll³; ¹Los Alamos National Laboratory, Los Alamos, New Mexico; ²Argonne National Laboratory, Argonne, Illinois; ³University of Cambridge, Cambridge, United Kingdom.

2:00 PM HH2.2
High Rate High Jc YBCO Electron Beam Co-Evaporation Technique: Liquid Assisted Growth with Nano-Engineered Structure. Jeong-uk Huh, Gertjan Koster, Malcolm Beasley and Robert Hammond; Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California.

2:15 PM HH2.3
Investigation of YBCO Phase Formation in BaF₂-ex Situ Films Manisha Rane¹, Hassa Bakhru¹, Richard Moore¹, Emilio Stinzianni¹, Kathleen Dunn¹, Pradeep Haldar¹, Ron Feenstra², Yifei Zhang² and David Christen²; ¹Albany NanoTech, Albany, New York; ²ORNL, Oak Ridge, Tennessee.

2:30 PM HH2.4
New Insights into the Nucleation Mechanism of TFA Derived YBCO Films. Jaume Gazquez¹, Felip Sandiumenge¹, Mariona Coll¹, Neus Roma¹, Alberto Pomar¹, Narcis Mestres¹, Teresa Puig¹, Xavier Obradors¹, Carmen Ballesteros² and Marie-Jo Casanove³; ¹ICMAB-CSIC, Bellaterra, Spain; ²Universidad Carlos III de Madrid, Leganes, Spain; ³CEMES-CNRS, Toulouse, France.

2:45 PM BREAK

3:15 PM *HH2.5
F/Ba Trajectory-property Relationships in MOD-derived YBCO Coated Conductors. Masateru Yoshizumi, Daniel Wesolowski, Yoda Patta and Michael J. Cima; MIT, Cambridge, Massachusetts.

3:45 PM HH2.6
Interfacial control and nanostructuration in all chemical TFA-YBCO based multilayers Xavier Obradors, Mariona Coll, Gibert Marta, Andrea Cavallaro, Joffre Gutierrez, Awateff Hassini, Anna Llordes, Sussagna Ricart, Teresa Puig, Alberto Pomar and Felip Sandiumenge; ICMAB, CSIC, Bellaterra, Catalonia, Spain.

4:00 PM HH2.7
Key Microstructural Features of YBa2Cu3O7-∂ Films Based on the Solution Deposition and Ex-situ Conversion of Metalorganic Trifluoroacetate Precursors on Textured Nickel Substrates Terry G. Holesinger, Boris Maiorov, J. Yates Coulter and Leonardo Civale; Los Alamos National Laboratory, Los Alamos, New Mexico.

4:15 PM *HH2.8
Growth of thick, high critical current YBa₂Cu₃O₇ films by HLPE Judith MacManus-Driscoll¹, A Kursumovic¹, B Maiorov², L Civale², H Wang², Q X Jia² and S R Foltyn²; ¹Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, United Kingdom; ²Superconductivity Technology Centre, Los Alamos National Laboratory, Los Alamos, New Mexico.

4:45 PM HH2.9
Phase Relations of High Tc Ba2RCu3O6+x Superconductors Winnie Kwai-Wah Wong-Ng¹, Lawrence P Cook¹, Igor Levin¹, Zhi Yang¹, Mark Vaudin¹, Joseph Ritter¹ and Ron Feenstra²; ¹Ceramics, NIST, Gaithersburg, Maryland; ²Condensed Matter Sciences, ORNL, Oak Ridge, Tennessee.

SESSION HH3: Enhancing Flux Pinning in YBCO
Chairs: Bernhard Holzapfel and Mariappan Paranthaman
Wednesday Morning, April 19, 2006
Room 2020 (Moscone West)

8:30 AM *HH3.1
Vortex Pins — BZO Columnar Defects or Non-Aligned Inclusions — in YBCO Coated Conductors. James R Thompson^1,2, A. Goyal², S. Kang², K. J. Leonard², P. M. Martin², A. A. Gapud², M. Varela², M. Paranthaman², A. O. Ijaduola¹, E. D. Specht², D. K. Christen², S. J. Pennycook², F. A. List², R. Feenstra² and X. Song³; ¹Dept. of Physics, University of Tennessee, Knoxville, Tennessee; ²Oak Ridge National Laboratory, Oak Ridge, Tennessee; ³Applied Superconductivity Center, University of Wisconsin, Madison, Wisconsin.

9:00 AM HH3.2
Artificial Flux Pinning of YBCO and Correlation With Pinning Mechanism Studies. Timothy Haugan¹, Paul Barnes¹, Timothy Campbell¹, Neal Pierce¹, Srinivas Sathiraju¹, Chakrapani Varanasi¹ and Michael Sumption²; ¹Propulsion Directorate, AFRL/PRPG, The Air Force Research Laboratory, Wright-Patterson AFB, Ohio; ²Department of Materials Science and Engineering, The Ohio State University, Columbus, Ohio.

9:15 AM HH3.3
Enhancement of Flux Pinning and Critical Currents in YBa2Cu3O7-δ Films by Nanoscale Substrate Surface Modifications. Tolga Aytug^1,4, M Paranthaman¹, H M Christen¹, S Kang¹, K J Leonard¹, A A Gapud¹, P M Martin¹, A Goyal¹, A O Ijaduola⁴, J R Thompson^4,1, D K Christen¹, R. Meng², S Chan⁵, I Rusakova², C W Chu² and T H Johansen³; ¹Oak Ridge National Laboratory, Oak Ridge, Tennessee; ²University of Houston, Houston, Tennessee; ³University of Oslo, Norway, Norway; ⁴University of Tennessee, Knoxville, Tennessee; ⁵Columbia University, New York, New York.

9:30 AM HH3.4
Nature of High Critical Current Density in Epitaxial Films of HTS YBCO Cuprate and Coated Conductors Vladimir M. Pan¹, Ernst A. Pashitskii², Yuriy V. Cherpak¹ and Alexei V. Semenov^2,1; ¹Superconductivity, Institute for Metal Physics, Kiev, Ukraine; ²Nonideal Solids, Institute of Physics, Kiev, Ukraine.

9:45 AM                                                                                                                                                                                                               Awards Presentation of the 2006 "Superconductor Industry Person of the Year" and "Superconductor Industry Lifetime Achievement", by Superconductor Week Executive Editor Mark Bitterman.

10:00 AM BREAK

10:15 AM *HH3.5
Identification and Engineering of Defects for Vortex Pinning Enhancement in YBa₂Cu₃O₇ Films and Coated Conductors Boris A. Maiorov¹, H. Wang¹, J. L. MacManus-Driscoll^2,1, T Haugan³, T. G. Holesinger¹, Q. X. Jia¹, P. N. Arendt¹, S. R. Foltyn¹, P. N. Barnes³ and L. Civale¹; ¹Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, New Mexico; ²Dept. of Materials Science, University of Cambridge, Cambridge, CB2 3QZ, United Kingdom; ³Air Force Research Laborator, Wright-Patterson Air Force Base, Ohio.

10:45 AM HH3.6
Enhanced Flux Pinning Properties in High-Temperature Superconductor Films by Introduction of Artificial Pinning Centers Kaname Matsumoto^1,6, Tomoya Horide^1,6, Mele Paolo^1,6, Yutaka Yoshida^2,6, Masashi Mukaida^3,6, Shigeru Horii^4,6 and Ataru Ichinose^5,6; ¹Department of Materials Science and Engineering, Kyoto University, Kyoto, Japan; ²Nagoya University, Nagoya, Japan; ³Kyushu University, Fukuoka, Japan; ⁴University of Tokyo, Tokyo, Japan; ⁵CRIEPI, Yokosuka, Japan; ⁶CREST-JST, Tokyo, Japan.

11:00 AM HH3.7
Flux Pining Enhancement in Pulsed Laser Deposited YBa2Cu3O7-x Coated Conductors with BaSnO3 Nano Particle Additions. Chakrapani Varanasi^2,1, Jack Burke¹, Paul N Barnes¹, Mike Sumption³, Iman Maartense² and Tim Haugan¹; ¹AFRL/PRPG (UDRI), Airforce Research Laboratory, WPAFB, Ohio; ²Metals and Ceramics, Univerisity of Dayton Research Institute, Dayton, Ohio; ³MSE, The Ohio State University, Columbus, Ohio.

11:15 AM HH3.8
The Growth Mechanism of Pinning-effective Nanostructures Embedded in YBCO Superconducting Thin Film. Albert A. Gapud¹, Aurangzeb Khan², M. Parans Paranthaman³ and David K. Christen³; ¹Department of Physics, University of South Alabama, Mobile, Alabama; ²Department of Electrical and Computer Engineering, University of South Alabama, Mobile, Alabama; ³Oak Ridge National Laboratory, Oak Ridge, Tennessee.

11:30 AM HH3.9
How Nanosized Defects Affect Current Percolation, Vortex Pinning, Irreversibility Field, and Ultimately the Critical Current Density in HTS. Alberto Gandini^1,2, Roy Weinstein^1,2, Ravi-Persad Sawh^1,2, Drew Parks^1,2 and Billy Mayes¹; ¹Department of Physics, University of Houston, Houston, Texas; ²Texas Center for Superconductivity at the University of Houston, University of Houston, Houston, Texas.

11:45 AM HH3.10
Temperature Dependent Vortex Pinning Regimes in YBa₂Cu₃O₇ Coated Conductors. Leonardo Civale¹, Boris A. Maiorov¹, Jason Mantei^3,1, Steve Foltyn¹, Haiyan Wang¹, Judith MacManus-Driscoll^2,1, Quanxi Jia¹ and Paul Arendt¹; ¹Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, New Mexico; ²Dept. of Materials Science, University of Cambridge, Cambridge, CB2 3QZ, United Kingdom; ³Dept. Material Science and Engeneering, University of Wisconsin-Madison, Madison, Wisconsin.

  SESSION HH4: MgB2 and Bi2223 Conductors and Novel Materials
Chairs: Lance Cooley and Adriana Serquis
Wednesday Afternoon, April 19, 2006
Room 2020 (Moscone West)
1:30 PM *HH4.1
Critical Currents of Nb3Sn and MgB2 Wires under Uniaxial Strain and Compressive Stress, With and Without Steel Reinforcement. Rene Flukiger, D. Uglietti, B. Seeber, C. Senatore and V. Abacherli; MANEP, University of Geneva, Geneva, Switzerland.

2:00 PM HH4.2
Ex-Situ MgB₂/Al Tape with High J_c Exceeding 10,000 A/cm² at 4.2K, 4T. Hitoshi Kitaguchi, Takayuki Nakane and Hiroaki Kumakura; Superconducting Materials Center, National Institute for Materials Science, Tsukuba, Japan.

2:15 PM HH4.3
Superconducting characteristics of MgB2 wires obtained by Reactive Liquid Mg Infiltration Giovanni Giunchi¹, Giovanni Ripamonti¹, Elena Perini¹, Tommaso Cavallin², Enrico Bassani², Umberto Gambardella³, Yifeng Yang⁴, Edward A. Young⁴, Marco Bianchetti⁴ and Carlo Beduz⁴; ¹R&D, EDISON SpA, Milano, Italy; ²Sezione di Lecco, CNR-IENI, Lecco, Italy; ³INFN, University of Salerno, Salerno, Italy; ⁴Department of Cryogenics, University of Southampton, Southampton, United Kingdom.

2:30 PM HH4.4
Hot Deformation Processing of MgB2 Harry N. Jones, Mike Osofsky, Chia Feng, Khershed Cooper, Chandra Pande and Robert Soulen; Physical Metallurgy Branch, Naval Research Laboratory, Washington, District of Columbia.

2:45 PM BREAK

3:15 PM HH4.5
Global and Local Flux Jumps in Superconducting MgB2 Films: Magneto-optical Imaging and Theory. Daniel Shantsev^1,3, Dmitry Denisov^1,3, Alexander Rakhmanov², Alexander Bobyl³, Yuri Galperin^1,3, Sung-Ik Lee⁴ and Tom Henning Johansen¹; ¹Department of Physics, University of Oslo, Oslo, Norway; ²Institute for Theoretical and Applied Electrodynamics, Moscow, Russian Federation; ³A. F. Ioffe Physico-Technical Institute, St. Petersburg, Russian Federation; ⁴Department of Physics, Pohang University of Science and Technology, Pohang, South Korea.

3:30 PM *HH4.6
Progress in Bi-2212 Wire and Coils for Superconducting Magnets. Ken Marken, H. Miao, M. Meinesz, B. Czabaj and S. Hong; Oxford Instruments, Inc., Carteret, New Jersey.

4:00 PM HH4.7
Processing of Bi2Sr2CaCu2O8+x Ag-clad Conductors Applying the React-Wind and Sinter Approach Gary Adam Merritt^1,2, Justin Schwartz^1,2 and Ulf Peter Trociewitz²; ¹Mechanical Engineering, The Florida State University, Tallahassee, Florida; ²Magnet Science & Technology, National High Magnetic Field Laboratory, Tallahassee, Florida.

4:15 PM HH4.8
Strain Dependence Transport and Mechanical Characteristics of High-current and High-strength type Ag/Bi2223 Composite Superconductors. Malik Idries Adam¹ and Kozo Osamura²; ¹Electrical and Electronics Engineering, University Technology Petronas, UTP, Seri Skandar, 37150 Tronoh, Perak, Malaysia; ²2Department of Materials Science and Engineering, Kyoto University, , Yoshida- Honmachi, Sakyo-Ku, 606-8501 Kyoto,, Kyoto, Japan.

4:30 PM HH4.9
Nanoscale Epitaxial Films of Cu₂O_2-x (cubic CuO). Gertjan Koster¹, W Siemons¹, H Yamamoto², R H Hammond¹, P M Grant³, T H Geballe¹ and M R Beasley¹; ¹GLAM, Stanford University, Stanford, California; ²NTT Basic Research Laboratories, Kanagawa, Japan; ³W2AGZ technologies, San Jose, California.

4:45 PM HH4.10
Bulk CaC6 Superconductivity. Nicolas Emery¹, Claire Herold¹, Matteo d'Astuto², Chirstophe Bellin², Jean-Francois Mareche¹, Philippe Lagrange¹ and Genevieve Loupias²; ¹LCSM, Vandoeuvre-les-Nancy Cedex, France; ²IMPMC, Paris, France.

SESSION HH5: Poster Session
Chairs: Xavier Obradors and Manisha Rane
Wednesday Evening, April 19, 2006
8:00 PM
Salons 8-15 (Marriott)

HH5.1
Fabrication of MgB₂ superconductors on polycrystalline Cu substrates. Toshiya Doi¹ and Hitoshi Kitaguchi²; ¹Kagoshima University, Kagoshima, Kagoshima, Japan; ²National Institute for Materials Science, Tsukuba, Ibaraki, Japan.

HH5.2
Ag and Au Borides Prepared by Magnetron Sputtering Michael Rotman, Joshua Pelleg and Michael Sinder; Materials Eng, Ben Gurion University, Beer Sheva, Israel.

HH5.3
Characterization and Mitigation of Oxide Phases in Bulk Magnesium Diboride. Scot Bohnenstiehl², Michael Sumption² and Ted Collings²; ¹Ohio State University, Columbus, Ohio; ²Materials Science and Engineering, Ohio State University, Columbus, Ohio.

HH5.4
Optimising Critical Current Density in MgB₂ Through Stoichiometry Control, and Novel Nano-particle inclusions S K Chen, K A Yates, M G Blamire and Judith MacManus-Driscoll; Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, United Kingdom.

HH5.5
Abstract Withdrawn

HH5.6
Abstract Withdrawn

HH5.7
Abstract Withdrawn

HH5.8
Magnetic Field Enhanced Texture of Bi2Sr2CaCu2O8+x During Partial-melt Processing. Manuel A Ramos^1,2, Justin Schwartz^1,2, Sastry Pamidi³, Ulf Trociewitz² and Timotthy Effio^1,2; ¹Mechanical Engineering, FSU-FAMU College of Engineering, Tallahassee, Florida; ²The National High Magnetic Field Laboratory, Tallahassee, Florida; ³The Center for the Advance Power Systems, Tallahassee, Florida.

HH5.9
Observation of Leggett’s Mode in Mg_1-xAl_xB₂ Yaroslav Georgievitch Ponomarev¹, Svetoslav Alexandrovich Kuzmichev¹, Mikhail Georgievich Mikheev¹, Marina Vladimirovna Sudakova¹, Sergei Nikolaevich Tchesnokov¹, Boris Mikhailovich Bulychev², Evgenii Grigorievich Maksimov³ and Sergei Ivanovich Krasnosvobodtsev³; ¹Faculty of Physics, Moscow State University, Moscow, Russian Federation; ²Faculty of Chemistry, Moscow State University, Moscow, Russian Federation; ³P.N.Lebedev Institute of Physics, RAS, Moscow, Russian Federation.

HH5.10
Scaling of Superconducting Gap and Critical Temperature in Doped Bi-2212, Bi-2201 and Hg-1201 Yaroslav Georgievitch Ponomarev, Svetoslav Alexandrovich Kuzmichev, Mikhail Georgievich Mikheev, Marina Vladimirovna Sudakova and Sergeii Nikolaevich Tchesnokov; Faculty of Physics, Moscow State University, Moscow, Russian Federation.

HH5.11
Transport AC Losses of Ag-Sheathed Bi-2223 Tapes with Different Twist-Pitch using Electrical Methods Mi-hye Jang¹, Winnie Wong-Ng¹ and Tae Kuk Ko²; ¹Ceramics, NIST, gaithersburg, Maryland; ²Electrcial and Electronic Engineering, Yonsei University, Seoul, Seadeamoon Ku, South Korea.

HH5.12
Electrical Devices Obtained From Polymeric Precursors Process. Claudio Luiz Carvalho, Raphael Otavio Peruzzi and Rudi Solano; Physics and Chemistry, Universidade Estadual Paulista - UNESP, Ilha Solteira, SP, Brazil.

HH5.13
Biomimetic Synthesis of High-T_c Type-II Superconductor Nanowires. Simon Robert Hall, School of Chemistry, University of Bristol, Bristol, United Kingdom.

HH5.14
Study of Biaxial Texture Development in Copper Rich, Cu-Ni Alloy (Cu 55 wt%, Ni 45 wt%) Substrates for Coated Conductor Applications. Chakrapani Varanasi^3,1, Jack Burke¹, Paul Barnes¹, Haralabos Efstathiadis², Pradeep Haldar² and Andrew Chaney¹; ¹AFRL/PRPG, Airforce Research Laboratory, WPAFB, Ohio; ²College of Nanoscale Science and Engineering, University at Albany-SUNY, Albany, New York; ³Metals and Ceramics, University of Dayton Research Institute, Dayton, Ohio.

HH5.15
Comparison of Texture Evolution in Nickel Deformed by Equal Channel Angular Pressing and Rolling Predrag Kisa, Andreas Kulovits, Jorg Wiezorek and Nicholas G Eror; Materials Science and Egineering, University of Pittsburgh, Pittsburgh, Pennsylvania.

HH5.16
Crystal Chemistry and Crystallography of the Ba2RCu3O6+x - SrTiO3 System. Zhi Yang¹, Winnie Wong-Ng¹, Qingzhen Huang¹, Lawrence Cook¹ and James A Kaduk²; ¹NIST/MS-8520, Gaithersburg, Maryland; ²BP Chem, Naperville, Illinois.

HH5.17
Monte Carlo Simulations of ion implanted YBa2Cu3O7-d for High Tc Josepshon Junctions Charles H.Y. Cheung, Shane Andrew Cybart and Robert C Dynes; Physics, University of California, San Diego, La Jolla, California.

SESSION HH6: Doping and Processing of MgB2
Chairs: Leonardo Civale and Giovanni Giunchi
Thursday Morning, April 20, 2006
Room 2020 (Moscone West)
8:30 AM *HH6.1
High-field Superconductivity in the Two-gap MgB2 Near the Paramagnetic Limit. Alex Gurevich, Applied Superconductivity Center, University of Wisconsin, Madison, Wisconsin.

9:00 AM HH6.2
Carbon Nanotube Doping Effect on Superconducting Properties of MgB₂ Adriana C. Serquis¹, German Serrano¹, Leonardo Civale², Boris Maiorov², Jack Kennison², Marcelo Jaime² and Fedor Balakirev²; ¹Temadi, CONICET - Centro Atomico Bariloche, S. C. de Bariloche, Argentina; ²Materials Science and Technology, Los Alamos National Laboratory, Los Alamos, New Mexico.

9:15 AM HH6.3
Dependence of Uptake and Homogeneity of Carbon on Mg(B,C)2 Synthesis Conditions. Lance Cooley¹, Antonio Zambano^1,2 and Arnold Moodenbaugh¹; ¹Condensed Matter Physics and Materials Science, Brookhaven National Laboratory, Upton, New York; ²Materials Science and Engineering and Center for Superconductivity Research, University of Maryland, College Park, Maryland.

9:30 AM HH6.4
Mechanisms of MgB₂ formation by reaction of solid B with liquid Mg John DeFouw¹, John Quintana² and David C Dunand¹; ¹Materials Science and Engineering, Northwestern University, Evanston, Illinois; ²Advanced Photon Source, Argonne National Lab, Argonne, Illinois.

9:45 AM BREAK

10:15 AM *HH6.5
MgB₂ Thin Films by HPCVD for High Field and Electronic Applications. Xiaoxing Xi, Penn State University, University Park, Pennsylvania.

10:45 AM HH6.6
Nanoscale Structure and Chemistry in SiC-Doped MgB₂ Tapes Ye Zhu¹, Akiyoshi Matsumoto^2,3, David C. Larbalestier^1,2 and Paul M. Voyles¹; ¹Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin; ²Applied Superconductivity Center, University of Wisconsin-Madison, Madison, Wisconsin; ³National Institute for Materials Science, Tsukuba, Ibaraki, Japan.

11:00 AM HH6.7
Numerical Modeling of Superconductivity Phase Transition using Anisotropic Effective Medium Theory. Enis Tuncer and David K. Christen; Oak Ridge National Laboratory, Oak Ridge, Tennessee.

11:15 AM HH6.8
A Simple High-yield Synthesis of Pure MgB₂ Superconducting Nanowires. Bruce A Parkinson and Manashi Nath; Department of Chemistry, Colorado State University, Fort Collins, Colorado.

11:30 AM HH6.9
Superconducting Properties Of Mgb2 Electroplating Films On Iron Substrates. Abe Hideki^1,2, Shibayama Isao³, Takeshi Aoyagi¹, Motoharu Imai¹, Hideaki Kitazawa¹, Kenji Yoshii⁴ and Jun Akimitsu³; ¹NIMS, Tsukuba, Ibaraki, Japan; ²Cornell University, Ithaca, New York; ³Aoyama Gakuin University, Sagamihara, Kanagawa, Japan; ⁴JAERI, Mikadzuki, Hyogo, Japan.

SESSION HH7: GB Properties in HTS Films
Chairs: Tolga Aytug and Brady Gibbons
Thursday Afternoon, April 20, 2006
Room 2020 (Moscone West)

1:30 PM *HH7.1
Structure and Properties of Extended Defects in HTCS Films: Interfaces and Grain Boundaries. Maria Varela¹, Stephen Pennycook¹, Robert Klie², Yimei Zhu², Alberto Franceschetti^3,1, Sokrates Pantelides^3,1, Vanessa Pena⁴, Zouhair Sefrioui⁴ and Jacobo Santamaria⁴; ¹Condensed Matter Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee; ²Brookhaven National Laboratory, Upton, New York; ³Vanderbilt University, Nashville, Tennessee; ⁴Universidad Complutense, Madrid, Madrid, Spain.

2:00 PM HH7.2
Comparative Study of Grain Orientations and Grain Boundary Networks for YBa2Cu3O7-d Films Deposited by Metalorganic and Pulsed Laser Deposition on Biaxially Textured Ni-W Substrates. Matt Feldmann¹, T.G. Holesinger², C. Cantoni³, R. Feenstra³ and D.C. Larbalestier¹; ¹University of Wisconsin, Madison, Wisconsin; ²Los Alamos National Laboratory, Los Alamos, New Mexico; ³Oak Ridge National Laboratory, Oak Ridge, Tennessee.

2:15 PM HH7.3
Grain Boundaries in REBaCuO (RE=Er,Y,Yb) Ca-doped YBaCuO thin films: Mechanisms of Current Suppression and Current Enhancement. Christian Jooss¹, Eva Brinkmeier¹, Karsten Guth¹, Yimei Zhu² and Felip Sandiumenge³; ¹Institute of Materials physics, University of Goettingen, Goettingen, Germany; ²Brookhaven National Laboratory, Upton NY, New York; ³Institut de Ciencia de Materials de Barcelona CSIC, Universitat Autonoma de Barcelona, Bellaterra, Spain.

2:30 PM HH7.4
Weak Thickness Dependence of the Critical Current Density in Strong Pinning ex situ Metal-organic-deposition Route YBa2Cu3O7-x Coated Conductors.  Sang Il Kim¹, D. M. Feldmann¹, Alex Gurevich¹, Xueyan Song¹, X. Li¹, W. Zhang², T. Kodenkandath², M. W. Rupich², T. G. Holesinger³ and David C. Larbalestier¹; ¹Applied Superconductivity Center, University of Wisconsin - Madison, Madison, WI; ²American Superconductor Corp., Westborough, MA; ³Los Alamos National Laboratory, Los Alamos, NM.

2:45 PM BREAK

3:15 PM *HH7.5
A New Dimension in Coordinated Characterization: Three Dimensional Characterization of Microstructure in High Temperature Superconductors Dean J. Miller¹ and Jon M. Hiller¹; ¹Argonne National Laboratory, Argonne, Illinois; ²Materials Science Division, Argonne National Laboratory, Argonne, Illinois.

3:45 PM *HH7.6
Pinning of Grain Boundary Vortices: A key Issue to Enhance the Critical Current Density of YBCO Coated Conductors. Teresa Puig¹, Anna Palau¹, Joffre Gutierrez¹, Xavier Obradors¹ and Francisco De la Cruz²; ¹Institut de Ciencia de Materials de Barcelona, CSIC, Bellaterra, Spain; ²Instituto Balseiro and Centro Atomico Bariloche, CNEA, San Carlos de Bariloche, Argentina.

4:15 PM HH7.7
Improving Jc of Coated Conductors by High Aspect Ratio Grains and RE123 Based Quasi-multilayers. Bernhard Holzapfel, Chuanbing Cai, Joerg Eickemeyer, Jens Haenisch, Ruben Huehne, Dietmar Selbmann and Ludwig Schultz; IFW Dresden, Dresden, Germany.

4:30 PM HH7.8
Magnetotransport And Flux Pinning Characteristics In High Quality NdBa2Cu3O7-y Thin Films Grown By Tri-Phase Epitaxy. KyungSung Yun¹, Shunichi Arisawa¹, Akira Ishii¹, Yoshihiko Takano¹, Takeshi Hatano¹, Masashi Kawasaki^2,1 and Hideomi Koinuma¹; ¹Nanomaterials Laboratory, National Institute for Materials Science, Tsukuba, Japan; ²Institute for Materials Research, Tohoku University, Sendai, Japan.

4:45 PM HH7.9
The Effect of Twin Spacing and Twin Intersection on Critical Current Densities in Bulk YBa2Cu3O7-x. Siu-Wai Chan, Manoj Chopra, Linfeng Mei and Vladimir S. Boyko; Dept. of Appl. Physics, Columbia University, New York, New York.

SESSION HH8: Poster Session
Chair: Matt Feldmann
Thursday Evening, April 20, 2006
8:00 PM
Salons 8-15 (Marriott)

HH8.1
Chemically Deposited Buffer Layers for YBCO Coated Conductors. Md S. Bhuiyan, Oak Ridge National Laboratory, Oak Ridge, Tennessee.

HH8.2
Simplified Alternate Buffer Architecture for YBCO Coated Conductors by Electrodepositon. Sovannary Phok, Raghu Bhattacharya and Tapas Chaudhuri; NREL, Golden, Colorado.

HH8.3
Abstract Withdrawn

HH8.4
Effect of Pre-annealing on the Epitaxial Conversion of YBa2Cu3O7-δ Precursor Films Made by E-beam Co-evaporation. Yifei Zhang^1,2, Ron Feenstra¹ and David K Christen¹; ¹Condensed Matter Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee; ²Department of Materials Science & Engineering, University of Tennessee, Knoxville, Tennessee.

HH8.5
Design and Implementation of a High-Rate, Reel-to-Reel MOCVD System for Continuous Production of YBa₂Cu₃O_x Coated Conductors. Nick M. Sbrockey¹, Edwin M. Dons¹, L. Gary Provost¹, Gary S. Tompa¹, B. Craig Harrison², Neal A. Pierce², Timothy Haugan² and Paul N. Barnes²; ¹Structured Materials Industries, Inc., Piscataway, New Jersey; ²Propulsion Directorate, AFRL/PRPG, Air Force Research Laboratory, Wright-Patterson AFB, Ohio.

HH8.6
Development of YBCO Film Approached by TFA-MOD Method Using the 211 Process. Lim Jun Hyung, Jang Seok Hern, Yoon Kyung Min, Joo Jinho, Jung Seung-Boo and Nah Wansoo; Sungkyunkwan University, Suwon,, South Korea.

HH8.7
Y(Sm)Ba₂Cu₃O_7-δ Films on RABiTS Templates by a Fluorine-free MOD Process. Feng Lu and Eric E Hellstrom; Applied Superconductivity Center, Univeristy of Wisconsin-Madison, Madison, Wisconsin.

HH8.8
YBa2Cu3O7-δ Formation by In situ Processing of Laser-Ablated, Fluorine-Free Precursor Films Kyunghoon Kim, Yifei Zhang, Roeland Feenstra, Claudia Cantoni, David K. Christen and Hans M. Christen; Condensed Matter Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee.

HH8.9
Enhanced Pinning Properties in Sm_1+xBa_2-xCu₃O_y+Nanoparticles Films Masashi Miura^1,6, Yusuke Ichino^1,6, Yutaka Yoshida^1,6, Yoshiaki Takai¹, Kaname Matsumoto^2,6, Ataru Ichinose^3,6, Shigeru Horii^4,6, Masashi Mukaida^5,6, Satoshi Awaji⁷ and Kazuo Watanabe⁷; ¹Electrical Engineering and Computer Science, Nagoya University, Nagoya, Japan; ²materials science and engineering, Kyoto University, Kyoto, Japan; ³Electric Power Engineering Research Laboratory, Center Research Institute of Electric Power Industry, Yokosuka, Japan; ⁴Applied Chemistry, University of Tokyo, Tokyo, Japan; ⁵Materials Science and Engineering, Kyushu university, Fukuoka, Japan; ⁶CREST- Japan Science and Technology Agency, Saitama, Japan; ⁷Institute for Materials Reserch, Tohoku University, Sendai, Japan.

HH8.10
Investigation of magnetic characteristics of YBCO film with artificial pinning centers on PLD/IBAD metal substrate Hiroyoshi Kobayashi¹, Satoru Ishida¹, Kazuhiro Takahashi¹, Masaya Konishi¹, Akira Ibi¹, Seiki Miyata¹, Yutaka Yamada¹, Yu Shiohara², Takeharu Kato³ and Tsukasa Hirayama³; ¹ISTEC-SRL Nagoya Coated Conductor Center, Nagoya, Aichi, Japan; ²ISTEC-SRL, Tokyo, Japan; ³JFCC, Nagoya, Aichi, Japan.

HH8.11
Sm and Nd Doped YBCO Films Produced Through Metal Organic Deposition Craig Harrison¹, Hui Fang², Jason Carpenter¹, Patrick Klenk¹, Chakrapani V Varanasi³ and Paul N Barnes¹; ¹Propulsion Directorate, Air Force Research Lab, Wright-Patterson AFB, Ohio; ²Department of Mechanical Engineering, University of Houston, Houston, Texas; ³University of Dayton Research Institute, Dayton, Ohio.

HH8.12
Superconducting and Microstructural Properties of (Y1+y-xEux)Ba2-yCu3O7-z Thin Films: x = 0 to 1 and y = 0 to 0.1 Timothy Haugan¹, Timothy Campbell¹, Paul Barnes¹, Neal Pierce¹, Iman Maartense¹, Winnie Wong-Ng² and Lawrence Cook²; ¹The Air Force Research Laboratory, Wright-Patterson AFB, Ohio; ²National Institute of Standards and Technology, Gaithersburg, Maryland.

HH8.13
Synthesis and Characterization of Self-Assembled Non-Superconducting Oxides in YBa2Cu3O7-x (YBCO) Films. Sundara Kiruthi vasan Viswanathan¹, D. Kumar^1,3, Albert A. Gapud², Talisha Haywood¹, Jeremiah T. Abiade¹ and David Christen³. ¹Dept. of Mechanical & Chemical Engineering, North Carolina A&T State University, Greensboro, North Carolina; ²Dept. of Physics, University of South Alabama, Mobile, Alabama; ³Oak Ridge National Laboratory, Oak Ridge, Tennessee.

HH8.14
Magnetic Field Angular Dependence of Zero Dimensional Pinning Centers. Masashi Mukaida^1,6, Tomoya Horide^2,6, Kaname Matsumoto^2,6, Yutaka Yoshida^3,6, Shigeru Horii^4,6, Ataru Ichinose^5,6, Kazuhiro Yamada¹ and Nobuyuki Mori¹; ¹Kyushu University, Fukuoka, Fukuoka, Japan; ²Kyoto University, Kyoto, Kyoto, Japan; ³Nagoya University, Nagoya, Aichi, Japan; ⁴University of Tokyo, Tokyo, Tokyo, Japan; ⁵CRIEPI, Yokosuka, Kanagawa, Japan; ⁶JST, Kawagoe, Saitama, Japan.

HH8.15
Degradation of Y-Ba-Cu-O Coated Conductor in Quench Experiments. X. Wang^1,2, U. P. Trociewitz³ and J. Schwartz^1,3,4; ¹Center for Advanced Power Systems, Florida State University, Tallahassee, Florida; ²Department of Electrical and Computer Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida; ³National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida; ⁴Department of Mechanical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida.

HH8.16
Effect of various Pr-compound additions on the Enhancement of Peak effect in Y-Ba-Cu-O Materials Chun-Chih Wang¹, Wen-Hsin Kuo¹, Wei-Chen Wu¹, Shih-Yun Chen² and In-Gann Chen¹; ¹Department of Materials Science and Engineering, Cheng Kung University, Tainan, Taiwan; ²Institute of Physics, Academia Sinica, Taipei, Taiwan.

SESSION HH9: Multilayers and Doping of HTS Films
Chairs: Raghu Bhattacharya and Vladimir Pan
Friday Morning, April 21, 2006
Room 2020 (Moscone West)
8:30 AM *HH9.1
Probing the Interfacial Defects of YBa₂Cu₃O_7-δ Films and Their Effects on Transport Properties. Haiyan Wang^1,2, Stephen R Foltyn¹, Quanxi Jia¹, Paul N Arendt¹, Boris Maiorov¹, Xinghang Zhang³ and Judith L MacManus-Driscoll⁴; ¹MST-STC, Los Alamos National Lab, Los Alamos, New Mexico; ²Electrical Engineering, Texas A & M University, College Station, Texas; ³Mechanical Engineering, Texas A & M University, College Station, Texas; ⁴Department of Materials Science, University of Cambridge, Pembroke St, Cambridge, United Kingdom.

9:00 AM HH9.2
Structural Features Related to Jc Versus Thickness Dependence in 3-4 micron Thick YBCO Films on Buffered RABITS Tapes. Vyacheslav Solovyov, Harold Wiesmann and Masaki Suenaga; Department of Materials Science, Brookhaven National Laboratory, Upton, New York.

9:15 AM HH9.3
Origins of the Thickness Dependence of YBCO Critical Current Density. Steve Foltyn, Haiyan Wang, Leonardo Civale, Quanxi Jia, Paul Arendt, Boris Maiorov, Honghui Zhou, Yuan Li and Marty Maley; MST-STC, Los Alamos National Laboratory, Los Alamos, New Mexico.

9:30 AM HH9.4
Abstract Withdrawn

9:45 AM BREAK

10:15 AM *HH9.5
Progress in Understanding Pinning and Grain Boundaries in Second Generation HTS Wire. A. P. Malozemoff¹, M. Rupich¹, Y. Huang¹, T. Kodenkandath¹, X. Li¹, W. Zhang¹, T. Holesinger², L. Civale², B. Maiorov², M Feldmann³, D. Larbalestier³, A. Gurevich³, R. Feenstra⁴, D. Miller⁵ and V. Maroni⁵; ¹American Superconductor Corp., Westborough, Massachusetts; ²Los Alamos National Laboratory, Los Alamos, New Mexico; ³U. Wisconsin-Madison, Madison, Wisconsin; ⁴Oak Ridge National Laboratory, Oak Ridge, Tennessee; ⁵Argonne National Laboratory, Argonne, Illinois.

10:45 AM HH9.6
Flux-pinning Enhancements in YBCO Films Using Solution Processing for Low-cost Coated Conductor Fabrication. Srivatsan Sathyamurthy^2,1, Keith J Leonard¹, Shafiq Md Bhuiyan¹, Tolga Aytug^2,1 and Mariappan Paranthaman¹; ¹Oak Ridge National Laboratory, Oak Ridge, Tennessee; ²University of Tennessee, Knoxville, Tennessee.

11:00 AM HH9.7
Enhanced Three-dimensional Vortex Pinning Behavior in Sm-doped YB₂Cu₃O_7-δ Coated Conductor with a High Density of Nanoprecipitates. Zhijun Chen¹, Xueyan Song¹, Matthew Feldmann¹, Sang-Il Kim¹, Alex Gurevich¹, David Larbalestier¹, Jody Reeves², Yiyuan Xie² and Venkat Selvamanickam²; ¹University of Wisconsin - Madison, Madison, Wisconsin; ²SuperPower Inc., Schenectady, New York.

11:15 AM HH9.8
Recent Progress in Artificial Pinning Center Enhancement by Controlling Nanostructure in SmBCO Films. Yutaka Yoshida^1,2, Kaname Matsumoto^3,2, Masashi Miura^1,2, Yusuke Ichino^1,2, Yoshiaki Takai¹, Ataru Ichinose^4,2, Masashi Mukaida^5,2, Shigeru Horii^6,2, Satoshi Awaji⁷ and Kazuo Watanabe⁷; ¹Department of energy engineering and science, Nagoya university, Nagoya, Japan; ²CREST-JST, Kawaguchi, Saitama, Japan; ³Kyoto university, Kyoto, Japan; ⁴CRIEPI, Yokosuka, Kanagawa, Japan; ⁵Kyushu university, Fukuoka, Japan; ⁶University of Tokyo, Tokyo, Japan; ⁷Tohoku university, Sendai, Japan.

11:30 AM HH9.9
Flux Pinning Enhancement of YBCO Films by Rare Earth Doping at Minute Concentrations Craig Harrison¹, Joe W Kell¹, Timothy J Haugan¹, Mary F Locke¹, Chakrapani V Varanasi² and Paul N Barnes¹; ¹Propulsion Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio; ²University of Dayton Research Institute, Dayton, Ohio.

11:45 AM HH9.10
Effect of compositional Fluctuation on High Field Pinning and Transport Behaviors in Sm-Ba-Cu-O Superconductor Shih-Yun Chen¹, Yang-Chung Liao², In-Gann Chen³ and Maw-Kuen Wu¹; ¹Institute of Physics, Academia Sinica, Taipei, Taiwan; ²Department of Physics and Materials Science Center, National Tsing Hua University, Hsinchu, Taiwan; ³Department of Materials Science and Engineering, National Cheng-Kung University, Tainan, Taiwan.

SESSION HH10: Multiscale Characterizations of YBCO Films
Chairs: Vladimir Matias and Vyacheslav Solovyov
Friday Afternoon, April 21, 2006
Room 2020 (Moscone West)
1:30 PM *HH10.1
Characterization and Quality Control in Coated Conductor Manufacturing Jodi Reeves, Andrei Rar, Michael Jones, Lance Hope, George Schwab and Venkat Selvamanickam; SuperPower, Inc., Schenectady, New York.

2:00 PM HH10.2
Linear Combinatorial Studies on the Texture and Critical Current Density Development in Pulsed Laser Deposited REBCO-based Coated Conductors. Brady J. Gibbons, Paul Dowden, John Rowley and Vladimir Matias; MST-STC, Los Alamos National Laboratory, Los Alamos, New Mexico.

2:15 PM *HH10.3
Meandering Grain Boundaries in ex situ YBCO Coated Conductors. Ron Feenstra¹, A. A. Gapud¹, A. Ijaduola¹, J. R. Thompson¹, D. K. Christen¹, D. M. Feldmann², A. Gurevich², D. C. Larbalestier², T. G. Holesinger³, A. Palau⁴, T. Puig⁴ and X. Obradors⁴; ¹Oak Ridge National Laboratory, Oak Ridge, Tennessee; ²University of Wisconsin, Madison, Wisconsin; ³Los Alamos National Laboratory, Los Alamos, New Mexico; ⁴Institut de Ciencia de Materials de Barcelona, CSIC, Bellaterra, Spain.

2:45 PM BREAK

3:15 PM HH10.4
Visualization of Dissipation in RABITS and IBAD CC by Hot-Spot Technique. Dmytro V Abraimov¹, David M Feldmann¹, Alex Gurevich¹, David C Larbalestier¹, Vladimir Matias², Brady J Gibbons² and Paul C Dowden²; ¹Applied Superconductivity Center, University of Wisconsin, Madison, Madison, Wisconsin; ²Los Alamos National Laboratory, Los Alamos, New Mexico.

3:30 PM *HH10.5
Current Limiting Obstacles In Ibad Based Ybco Coated Conductors: Finding A Needle In A Pile Of Hay. Takanobu Kiss¹, M. Inoue¹, T. Shoyama¹, S. Koyanagi¹, R. Fukamachi¹, D. Mitsui¹, T. Nakamura¹, K. Imamura¹, T. Katoh², T. Hirayama², Akira Ibi³, Y. Yamada³ and Y. Shiohara^3,4; ¹Dept. of E & E, Kyushu University, Fukuoka, Japan; ²Japan Fine Ceramics Center, Nagoya, Japan; ³Nagoya Coated Conductor Center, Superconductivity Research Lab, Nagoya, Japan; ⁴Division of Superconducting Tape & Wire, Superconductivity Research Lab, Nagoya, Japan.

4:00 PM HH10.6
AC Loss Characteristics of Stacks of YBCO Coated Conductors. Francesco Grilli and Stephen P Ashworth; Los Alamos National Laboratory, Los Alamos, New Mexico.

4:15 PM HH10.7
Study of Striated Coated Conductors using Scanning Laser Microscopy Chuhee Kwon¹, Jeremy L. Young¹, Gukseon You¹, George A. Levin², Timothy J. Haugan² and Paul N. Barnes²; ¹Physics and Astronomy, California State University Long Beach, Long Beach, California; ²Propulsion Directorate, Air Force Research Laboratory, WPAFB, Ohio.

4:30 PM HH10.8
Magneto-Optical Imaging of Guided Vortex Motion in YBCO Films with One-dimensional Antidot Arrays. Vitaliy Yurchenko^1,2, Roger Wordenweber³, Yuri Galperin¹, Daniel Shantsev¹, Joern Inge Vestgaarden¹ and Tom Henning Johansen¹; ¹Department of Physics, University of Oslo, Oslo, Norway; ²Institute of Physics ASCR, Prague, Czech Republic; ³ISG-2, Forschungszentrum Julich, Julich, Germany.

4:45 PM HH10.9
Time resolved magneto-optical imaging of ac currents in YBa2Cu3O7-δ conductor. Andrea Lucarelli¹, Gunter Luepke¹, Timothy J. Haugan², George A. Levin² and Paul N. Barnes²; ¹Applied Science, College of William and Mary, Williamsburg, Virginia; ²Air Force Research Laboratory, Wright-Patterson AFB, Ohio.