SYMPOSIUM R

Materials Issues Related to Development of Textured High-Temperature Superconducting Conductors
April 1 - 2, 1997

Chairs
Paul Grant -- EPRI
Yasuhiro Iijima -- Fujikura, Ltd.
D. Kroeger -- Oak Ridge National Laboratory
Martin Maley -- Los Alamos National Laboratory


Symposium Support

EPRI
Los Alamos National Lab
Oak Ridge National Laboratory


* Invited paper

SESSION R1: BIAXIALLY-TEXTURED YBCO CONDUCTORS
Chairs: D. M. Kroeger and Martin P. Maley
Tuesday Morning, April 1, 1997
Salon 15
8:30 AM *R1.1
DEVELOPMENT OF HIGH J tex2html_wrap_inline329 Y-123 TAPES WITH TEXTURED BUFFER LAYERS BY IBAD METHOD, Yasuhiro Iijima, Fujikura, Ltd., Materials Research Lab, Tokyo, JAPAN; Mariko Hosaka, Nobuo Tanabe, Nobuyuki Sadakata, Takashi Saitoh, Osamu Kohno, Kaoru Takeda, Fujikura, Ltd., Tokyo, JAPAN.

9:00 AM *R1.2
STATUS OF THE RABiTS APPROACH TO FABRICATE BIAXIALLY ALIGNED, HIGH-J tex2html_wrap_inline329 SUPERCONDUCTORS, Amit Goyal, Oak Ridge National Laboratory, Metals tex2html_wrap_inline333 Ceramics Div, Oak Ridge, TN; David P. Norton, Oak Ridge National Laboratory, Oak Ridge, TN; David K. Christen, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; D. M. Kroeger, E. D. Specht, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; Mariappan Paranthaman, Oak Ridge National Laboratory, Dept of Chemical tex2html_wrap_inline333 Analytical Science, Oak Ridge, TN; John D. Budai, Qing He, F. A. List, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; Dominic F. Lee, Oak Ridge National Laboratory, Metals tex2html_wrap_inline333 Ceramics Div, Oak Ridge, TN; B. Saffian, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; J. Matthis, E. Hatfield, C. E. Clabunde, Oak Ridge National Laboratory, Oak Ridge, TN; Shara S. Shoup, Oak Ridge National Laboratory, Chemistry tex2html_wrap_inline333 Analytical Sciences Div, Oak Ridge, TN; P. M. Martin, Oak Ridge National Laboratory, Oak Ridge, TN.

9:30 AM *R1.3
PROGRESS ON BIAXIALLY ALIGNED SUBSTRATES FOR YBCO COATED CONDUCTORS, Paul N. Arendt, Los Alamos National Laboratory, STC, Los Alamos, NM; Stephen R. Foltyn, Los Alamos National Laboratory, Superconductivity Tech Ctr, Los Alamos, NM; Paul C. Dowden, J. Randy Groves, Los Alamos National Laboratory, Materials Science tex2html_wrap_inline333 Technology Div, Los Alamos, NM.

10:00 AM BREAK

10:30 AM *R1.4
HIGH-CURRENT-DENSITY PLD-YBaCuO FILMS ON PLANAR AND CURVED SUBSTRATES: PROCESSING AND PERSPECTIVES, H. C. Freyhardt, Univ of Goettingen, Inst for Metallphysik, Goettingen, GERMANY; J. Dzick, Univ of Goettingen, Inst fur Metallphysik, Goettingen, GERMANY; K. Heinemann, Univ Goettingen, INst fur Metallphysik, Goettingen, GERMANY; J. Hoffmann, A. Isaev, Univ of Goettingen, Inst fur Metallphysik, Goettingen, GERMANY; J. Wiesmann, Univ Goettingen, Ints fur Metallohysik, Geottingen, GERMANY; F. Garcia-Moreno, S. Sievers, Univ of Goettingen, Zentrum fur Funktionswerkstoffe, Goettingen, GERMANY; A. Usoskin, Univ Goettingen, Zentrum fur Funktionswerkstoffe, Goettingen, GERMANY.

11:00 AM *R1.5
IN-PLANE ALIGNED YBCO THIN FILM TAPE FABRICATED BY ALL PULSED LASER DEPOSITION, Katsuya Hasegawa, Sumitomo Electric Industries Ltd, Osaka Research Labs, Osaka, JAPAN.

11:30 AM *R1.6
NEW SCHEME FOR CONTINUOUS DEPOSITION OF YBCO FILMS ON A 20CMx20CM SQUARE WITHOUT SAMPLE ROTATION, Helmut Kinder, Technische Univ Munich, Dept of Physics, Garching, GERMANY; Susanne Rieder-Zecha, Bernd Utz, Technische Univ Muenchen, Dept of Physics, Garching, GERMANY.

SESSION R2: PROCESSING ISSUES FOR COATED CONDUCTORS
Chairs: Paul N. Arendt and Amit Goyal
Tuesday Afternoon, April 1, 1997
Salon 15
1:30 PM *R2.1
FABRICATION OF LONG Tl-1223 SUPERCONDUCTING TAPES ON BIAXIALLY TEXTURED SILVER SUBSTRATES, Toyotaka Yuasa, Hitachi Ltd, Ibaraki, JAPAN; Naomi Inoue-Sugiyama, Hiroyuki Akata, Kazutoshi Higashiyama, Hitachi Ltd, Hitachi Research Lab, Ibaraki, JAPAN; Kei Kimura, Super-GM, Dept of Engineering Research, Osaka, JAPAN.

2:00 PM *R2.2
RAPID THICK FILM YBCO GROWTH FOR WIRES AND TAPES BY PHOTO-ASSISTED MOCVD, A. Ignatiev, Univ of Houston, TX Ctr for Superconductivity tex2html_wrap_inline333 Space Vacuum Epitaxy, Houston, TX; Q. Zhong, P. C. Chou, X. Zhang, Y. M. Chen, Univ of Houston, Texas Ctr for Superconductivity, Houston, TX.

2:30 PM R2.3
A MOCVD APPROACH TO BIAXIALLY-TEXTURED THICK FILM Y-Ba-Cu-O SUPERCONDUCTOR FABRICATION ON METALLIC SUBSTRATES, Venkat Selvamanickam, Michael Walker, Pradeep Haldar, Intermagnetics General Corp, Latham, NY; Ana Ivanova, SUNY-Albany, Albany, NY; Alain E. Kaloyeros, SUNY-Albany, Dept of Physics, Albany, NY; David B. Fenner, Fenner Engineering Assocs, Simsbury, CT; Michael T. Lanagan, Argonne National Laboratory, Ceramic Section, Argonne, IL; Gregory Kozolwski, Air Force Wright Laboratory, Dayton, OH; Charles E. Oberly, Air Force Wright Laboratory, WL/POOX, Dayton, OH; Siu-Wai Chan, Columbia Univ, Dept of Materials Science, New York, NY.

2:45 PM BREAK

3:15 PM *R2.4
USE OF A MODIFIED BIAS SPUTTERING TECHNIQUE TO FABRICATE IN-PLANE TEXTURED BUFFER LAYERS FOR YBCO FILM GROWTH, Masao Fukutomi, Nat Research Inst for Metals, Ibaraki, JAPAN; Masakazu Saitoh, Mitsuba Corp, Gumma, JAPAN; Kazunori Komori, Kazumasa Togano, Nat Research Inst for Metals, Ibaraki, JAPAN.

3:45 PM *R2.5
THE MECHANISM FOR TEXTURE DEVELOPMENT IN FILMS PREPARED BY ION BEAM ASSISTED DEPOSITION, Michael J. Cima, MIT, Dept of MS tex2html_wrap_inline333 E, Cambridge, MA; Kevin G Ressler, Neville Sonnenberg, MIT, Ceramics Processing Res Lab, Cambridge, MA.

4:15 PM R2.6
YBCO SUPERCONDUCTOR TEXTURE CONTROL USING ION-ASSISTED PULSED-LASER DEPOSITION OF INTERMEDIATE LAYERS, Ronald P. Reade, Paul Berdahl, Richard E. Russo, Lawrence Berkeley National Laboratory, Berkeley, CA.

4:30 PM R2.7
YBCO GROWTH ON TEXTURED BUFFER LAYERS PREPARED BY ION-BEAM-ASSISTED DEPOSITION, Connie Pin-Chin Wang, Stanford Univ, Stanford, CA; Khiem Do, Stanford Univ, Ginzton Lab, Stanford, CA; Malcolm R. Beasley, Theodore H. Geballe, Robert H. Hammond, Stanford Univ, Dept of Applied Physics, Stanford, CA.

4:45 PM R2.8
LARGE-AREA DEPOSITION OF YBCO FILMS AND TEXTURED BUFFER LAYERS ON CERAMIC SUBSTRATES, Wolfgang Schmidt, Siemens AG, Dept ZT EN 4, Erlangen, GERMANY; H. -W. Neumuller, H. -K. Kramer, Siemens AG, Dept ZT EN4, Erlangen, GERMANY; Helmut Kinder, Technische Univ Munich, Dept of Physics, Garching, GERMANY; M. Bauer, R. Semerad, Technische Univ Munich, Garching, GERMANY; H. C. Freyhardt, Univ of Goettingen, Inst for Metallphysik, Goettingen, GERMANY; K. Heinemann, Univ Goettingen, INst fur Metallphysik, Goettingen, GERMANY; J. Wiesmann, Univ Goettingen, Ints fur Metallohysik, Geottingen, GERMANY.

SESSION R3: POSTER SESSION:
TEXTURED YBCO
Chair: Martin P. Maley
Tuesday Evening, April 1, 1997
8:00 P.M.
Salon 7
R3.1
SPATIAL DISTRIBUTION OF DEGREE OF TEXTURING AND J tex2html_wrap_inline329 IN LARGE YBCO GRAINS, Wai Lo, Cambridge Univ, Cambridge, UNITED KINGDOM; C. D. Dewhurst, Cambridge University, IRC in Superconductivity, Cambridge, UNITED KINGDOM; H. T. Leung, J. C. L. Chow, D. A. Cardwell, Cambridge Univ, IRC in Superconductivity, Cambridge, UNITED KINGDOM.

R3.2
CRYSTAL GROWTH OF THE FACETED SrTiO tex2html_wrap_inline349 SINGLE CRYSTALLINE FIBERS FOR YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline355 COATED CONDUCTORS, Junichi Kawashima, ISTEC, Nagoya, JAPAN; Yasuji Yamada, ISTEC, Superconductivity Research Lab, Nagoya, JAPAN; Izumi Hirabayashi, ISTEC, Nagoya, JAPAN.

R3.3
EFFECT OF Y tex2html_wrap_inline351 BaCuO tex2html_wrap_inline359 ADDITION ON THE CRITICAL CURRENT DENSITY, FLUX PINNING AND TWINNING IN MELT-TEXTURED YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline365 , Manoi Chopra, V. S. Boyko, Columbia Univ, Dept of Materials Science, New York, NY; Ruling Meng, Univ of Houston, Dept of Physics, Houston, TX; C. W. Chu, Univ of Houston, Houston, TX; Siu-Wai Chan, Columbia Univ, Dept of Materials Science, New York, NY.

R3.4
LAYER BY LAYER GROWTH OF HIGH-TEMPERATURE SUPERCONDUCTORS, Dave H.A. Blank, Guus J.H.M. Rijnderss, Gertjan Koster, Horst Rogalla, Univ of Twente, Dept of Applied Physics, Enschede, NETHERLANDS.

R3.5
FORMATION OF TEXTURED Y-123 CERAMICS FROM THE MELT, Vladimir Vashook, Inst of General tex2html_wrap_inline333 Inorganic Chemistry, Minsk, BELARUS.

R3.6
HRTEM STUDY OF DEFECTS IN EPITAXIAL YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline365 FILMS IRRADIATED BY 100 keV OXYGEN IONS, N. D. Zakharov, Max-Planck-Inst, Dept Mikrostrukturphysik, Halle/Saale, GERMANY; Dietrich Hesse, Max-Planck-Inst, Dept of Microstructure Physics, Halle/Saale, GERMANY; J. Hollkot, Shike Hu, C. Becker, Inst fur Halbleitertechnik II, Aachen, GERMANY; Juergen Auge, Bernd Spangenberg, Inst for Semiconductor Electronics , Aachen, GERMANY; Heinrich Kurz, Rheinisch-Westfalische Technische Hochschule, Inst of Semiconductor Electronics II, Aachen, GERMANY.

R3.7
STUDIES ON AC SUSCEPTIBILITY OF HIGH J tex2html_wrap_inline375 TEXTURED YBCO, Dao-Le Yin, K. X. Chen, G. Lu, L. X. Xue, X. P. Bai, C. D. Wei, Peking Univ, Dept of Physics, Beijing, CHINA; H. T. Ren, L. Xiao, Q. He, General Research Inst, Dept of Non-Ferrous Metals, Beijing, CHINA.

R3.8
FLUX PINNING IS CAUSED BY DISLOCATION MOTION AND MULTIPLICATION IN FLUX-LINE LATTICES, Valery P. Kisel, Inst of Solid State Physics, Dept of Crystal Growth, Chernogolovka, RUSSIA.

R3.9
THE EFFECT OF THE ADSORBED OXYGEN, NITROGEN AND ARGON ON SUPERCONDUCTIVITY IN GADOLINIUM HTSC FILMS, Lev Lvovich Makarshin, Dmitry V. Andreev, Boreskov Inst of Catalysis, Lab of Solar Energy Conversion, Novosibirsk, RUSSIA; Oleg M. Tuhto, Inst of Thermal Physics, Novosibirsk, RUSSIA; Valentin N. Parmon, Boreskov Inst of Catalysis, Lab of Solar Energy Conversion, Novosibirsk, RUSSIA.

R3.10
CRITICAL CURRENT OF Na DOPED YBCO TEXTURED THIN FILMS, Jacob Azoulay, Igor Lapsker, Armen Verdyan, Center Technological Education, Dept of Physics, Holon, ISRAEL.

R3.11
DIRECTIONAL SOLIDIFICATION IN AIR OF NdBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline381 SUPERCONDUCTORS WITH HIGH T tex2html_wrap_inline329 AND J tex2html_wrap_inline329 , S. Pinol, CSIC, Inst de Cicncia de Matls de Barcelona, Bellaterra, SPAIN; B. Martinez, CSIC, Inst de Ciencia de Materials de Barcelona, Bellaterra, SPAIN; F. Sandiumenge, CSIC, Inst de Cicncia de Materials de Barcelona, Bellaterra, SPAIN; F. Vilalta, Xavier Obradors, R. Yu, CSIC, Inst de Ciencia de Materials de Barcelona, Bellaterra, SPAIN.

R3.12
PEAK AND FISH-TAIL EFFECT IN YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline389 O tex2html_wrap_inline391 SINGLE CRYSTALS, Krzysztof Rogacki, Bogdan M. Dabrowski, Northern Illinois Univ, Dept of Physics, DeKalb, IL; Ulrich Welp, George W. Crabtree, Argonne National Laboratory, Materials Science Div, Argonne, IL.

R3.13
SPECTRAL COMPONENT MONITORING OF THE PLUMES GENERATED DURING DEPOSITION OF RE(Y,Nd)Ba tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline397 FILMS BY PULSED LASER ABLATION, Rand Biggers, Air Force Wright Laboratory, WL/MLPO, Wright Patterson AFB, OH; C. Varanasi, Univ of Dayton, Research Inst, Dayton, OH; I. Maartense, Univ of Dayton, Dayton, OH; E. K. Moser, Air Force Wright Laboratory, WL/MLPO, Wright Patterson AFB, OH; D. Dempsey, Univ of Dayton, Dayton, OH; Tim L. Peterson, Air Force Wright Laboratory, Wright Patterson AFB, OH; Charles E. Oberly, Air Force Wright Laboratory, WL/POOX, Dayton, OH.

R3.14
PULSED LASER DEPOSITION OF YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline397 THICK FILMS WITH Ag ADDITIONS, C. Varanasi, Univ of Dayton, Research Inst, Dayton, OH; Rand Biggers, Air Force Wright Laboratory, WL/MLPO, Wright Patterson AFB, OH; I. Maartense, Univ of Dayton, Dayton, OH; E. K. Moser, Air Force Wright Laboratory, WL/MLPO, Wright Patterson AFB, OH; D. Dempsey, Univ of Dayton, Dayton, OH; D. Liptak, Wright Patterson AFB, Wright Patterson AFB, OH; J. Busbee, Air Force Wright Laboratory, Wright Patterson AFB, OH; G. Kozolwski, Wright State Univ, Dayton, OH; R. Nekkanti, UES Inc, Dayton, OH; Tim L. Peterson, Air Force Wright Laboratory, Wright Patterson AFB, OH; Charles E. Oberly, Air Force Wright Laboratory, WL/POOX, Dayton, OH.

R3.15
CRITICAL CURRENT DENSITY DEPENDENCE ON ANGLE OF HEAVY ION IRRADIATION FOR YBCO COATED CONDUCTORS, J. Yates Coulter, Martin P. Maley, Los Alamos National Laboratory, MST-STC, Los Alamos, NM; Paul N. Arendt, Los Alamos National Laboratory, STC, Los Alamos, NM; Stephen R. Foltyn, Los Alamos National Laboratory, Superconductivity Tech Ctr, Los Alamos, NM; H. Safar, Univ of Illinois-Chicago, Dept of Physics, Chicago, IL; Kenneth E. Gray, David G. Steel, Argonne National Laboratory, Material Science Div, Argonne, IL.

R3.16
NON-VACUUM CHEMICAL DEPOSITION OF YBCO FILMS ON ROLLING-ASSISTED BIAXIALLY TEXTURED SUBSTRATES, Dominic F. Lee, Oak Ridge National Laboratory, Metals tex2html_wrap_inline333 Ceramics Div, Oak Ridge, TN; Mariappan Paranthaman, Oak Ridge National Laboratory, Dept of Chemical tex2html_wrap_inline333 Analytical Science, Oak Ridge, TN; F. A. List, E. D. Specht, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; Amit Goyal, Oak Ridge National Laboratory, Metals tex2html_wrap_inline333 Ceramics Div, Oak Ridge, TN; P. M. Martin, Oak Ridge National Laboratory, Oak Ridge, TN; D. M. Kroeger, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN.

R3.17
BRIDGMAN METHOD TEXTURING OF YbBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline365 , Philip T. Putman, Kamel Salama, Univ of Houston, Houston, TX.

R3.18
MAGNETIC PROPERTIES IN TOP-SEEDED MELT GROWN RE-Ba-Cu-O CRYSTALS, Seiki Takebayashi, Sang Im Yoo, Masato Murakami, ISTEC, Superconductivity Research Lab, Tokyo, JAPAN.

R3.19
STRUCTURE MODIFICATION OF SUPERCONDUCTOR YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline381 BY LOW-ENERGY ION IRRADIATION, Irene V. Tereshko, Mechanical Engineering Lab, Mogilev, BELARUS; V. I. Khodyrev, Mechanical Engineering Institute, Mogilev, BELARUS; Q. Zhong, Univ of Houston, Texas Ctr for Superconductivity, Houston, TX; L. V. Pletnev, D. L. Vinogradov, Mechanical Engineering Institute, Mogilev, BELARUS.

SESSION R4: CRITICAL CURRENTS, PINNING AND GRAIN BOUNDARIES
Chairs: Paul Grant and Yasuhiro Iijima
Wednesday Morning, April 2, 1997
Salon 15
8:30 AM *R4.1
IMPLICATIONS OF d-WAVE SYMMETRY FOR GRAIN BOUNDARY CRITICAL CURRENTS, Jochen Mannhart, Univ of Augsburg, Dept of Experimentalphysik VI, Augsburg, GERMANY; H. Hilgenkamp, Univ of Augsburg, Experimentalphysik VI, Augsburg, GERMANY.

9:00 AM *R4.2
"HARD" AND "EASY" DIRECTIONS OF VORTEX MOTION THROUGH SPLAYED COLUMNAR DEFECTS, Lia Krusin-Elbaum, D. Lopez, A. D. Marwick, J. Z. Sun, H. Safar, V. M. Vinokur, IBM T.J. Watson Research Ctr, Yorktown Heights, NY.

9:30 AM *R4.3
EDGE DISLOCATIONS AND CRITICAL CURRENT DENSITY IN EPITAXIAL YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 0 tex2html_wrap_inline365 , Vladimir M. Pan, V. L. Svetchnikov, Inst for Metal Physics, Kiev, UKRAINE; A. I. Kasatkin, Inst for Metal Physics, Superconductivity, Kiev, UKRAINE; H. C. Freyhardt, Univ of Goettingen, Inst for Metallphysik, Goettingen, GERMANY.

10:00 AM BREAK

10:30 AM *R4.4
SUPERCONDUCTING PROPERTIES OF HIGH-J tex2html_wrap_inline329 , BIAXIALLY ALIGNED YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline365 THICK FILMS ON METALLIC TAPE SUBSTRATES, David K. Christen, David P. Norton, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; Amit Goyal, Oak Ridge National Laboratory, Metals tex2html_wrap_inline333 Ceramics Div, Oak Ridge, TN; John D. Budai, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; Qing He, Univ of Tennessee, Knoxville, TN; C. E. Klabunde, D. M. Kroeger, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN ; Dominic F. Lee, Oak Ridge National Laboratory, Metals tex2html_wrap_inline333 Ceramics Div, Oak Ridge, TN; F. A. List, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; Mariappan Paranthaman, Oak Ridge National Laboratory, Dept of Chemical tex2html_wrap_inline333 Analytical Science, Oak Ridge, TN; B. Saffian, Univ of Tennessee, Knoxville, TN; E. D. Specht, Matthew F. Chisholm, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN.

11:00 AM R4.5
CRITICAL CURRENTS AND FLUX PINNING IN BIAXIALLY TEXTURED YBCO THICK FILM CONDUCTORS, Jeffrey O. Willis, Los Alamos National Laboratory, MST-STC, Los Alamos, NM; Martin P. Maley, Los Alamos National Laboratory, Los Alamos, NM; J. Yates Coulter, Los Alamos National Laboratory, MST-STC, Los Alamos, NM; Paul N. Arendt, Los Alamos National Laboratory, STC, Los Alamos, NM; Stephen R. Foltyn, Los Alamos National Laboratory, Superconductivity Tech Ctr, Los Alamos, NM; Hugo F. Safar, Los Alamos National Laboratory, Superconductivity Technology Center, Los Alamos, NM.

11:15 AM R4.6
TEM MICROSTRUCTURAL ANALYSIS OF YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline397 (001) FACETED ASYMMETRIC AND SYMMETRIC BOUNDARIES GROWN USING LASER ABLATION TECHNIQUE AND CORRELATION WITH ITS ELECTRICAL PROPERTIES, Jack W.H. Tsai, Columbia Univ, Dept of Materials Science, New York, NY; Steven C. Tidrow, U.S. Army Research Laboratory, Dept of Physical Sciences, Ft. Monmouth, NJ; Siu-Wai Chan, Columbia Univ, Dept of Materials Science, New York, NY.

11:30 AM R4.7
GENERALIZED RANDOM DISLOCATION THEORY OF INTERGRAIN BOUNDARY CRITICAL CURRENT, Evgenii Z. Meilikhov, R. M. Farzetdinova, RRC Kurchatov Inst, Moscow, RUSSIA.

11:45 AM R4.8
HRTEM INVESTIGATIONS OF THE ATOMIC STRUCTURE OF INTERPHASE GRAIN BOUNDARIES IN Bi-Sr-Ca-Cu-O-TYPE CERAMICS, N. D. Zakharov, Max-Planck-Inst, Dept Mikrostrukturphysik, Halle/Saale, GERMANY; D. Hesse, Max-Planck-Inst, Halle, GERMANY; H. Frank, R. Stollmann, G. Guntherodt, RWTH Aachen, Aachen, GERMANY.

SESSION R5: PROCESSING OF DEPOSITS, BSCCO, AND NEW MATERIALS
Chairs: David K. Christen and Dean E. Peterson
Wednesday Afternoon, April 2, 1997
Salon 15
1:30 PM R5.1
HIGH J tex2html_wrap_inline329 Ag/Bi-2223 COMPOSITE CONDUCTORS: THE IMPORTANCE OF REACTION-INDUCED TEXTURE, Nazarali Merchant, Argonne National Laboratory, Chemical Tech Division, Argonne, IL; Stephen E. Dorris, Argonne National Laboratory, Dept of Energy Technology`, Argonne, IL; Victor A. Maroni, Albert K. Fischer, Argonne National Laboratory, Chemical Technology Div, Argonne, IL.

1:45 PM R5.2
TEXTURE AND PHASE DEVELOPMENT IN Ag-SHEATHED (Bi,Pb) tex2html_wrap_inline351 Sr tex2html_wrap_inline351 Ca tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline459 TAPES, Yuan L. Wang, Lijun Wu, Yimei Zhu, Brookhaven National Laboratory, Dept of Applied Science, Upton, NY; M. Suonaga, Brookhaven National Laboratory, Dept of Applied Sci, Upton, NY.

2:00 PM R5.3
THE USE OF OXYGEN GRADIENTS AS A TEXTURING MECHANISM DURING ISOTHERMAL MELT PROCESSING OF BI-2212 SUPERCONDUCTORS., Terry G. Holesinger, John F. Bingert, Los Alamos National Laboratory, MST-6, Los Alamos, NM; J. Yates Coulter, Los Alamos National Laboratory, MST-STC, Los Alamos, NM; Jeffrey O. Willis, Los Alamos National Laboratory, MST-STC, Los Alamos, NM.

2:15 PM R5.4
OXYGEN EXCHANGE IN Ag-SHEATHED Bi-2223 TAPES, Mario Quilitz, Forschungszentrum Karlsruhe, Inst fur Technische Physik, Karlsruhe, GERMANY; Wilfried Goldacker, Forschungszentrum Karlsruhe, Institut fur Technische Physik, Karlsruhe, GERMANY.

2:30 PM R5.5
STRUCTURE AND PROPERTIES OF [001] TWIST BOUNDARIES IN Bi/2212 BICRYSTALS, Yimei Zhu, Brookhaven National Laboratory, Dept of Applied Science, Upton, NY; Qiang Li, Y. N. Tsay, Brookhaven National Laboratory, Dept of Applied Sci, Upton, NY; Masaki Suenaga, Brookhaven National Laboratory, Dept of Applied Science, Upton, NY.

2:45 PM R5.6
SIGNIFICANCE OF COOLING RATE ON MICROSTRUCTURE AND TRANSPORT PROPERTIES OF Ag-SHEATHED BSCCO(2223) TAPES, N. Vasanthamohan, Argonne National Laboratory, Dept Energy Tech. Div, Argonne, IL; J. P. Singh, Argonne National Laboratory, Dept Energy Tech Div, Argonne, IL.

3:00 PM BREAK

3:30 PM R5.7
ANNEALING EFFECTS AND THERMOSTABILITY OF Ba-Ca-Cu-O COMPOUNDS, Yong Cao, Univ of Houston, TcSUH, Houston, TX; Ching-Wu Chu, Univ of Houston, Dept of Physics, Houston, TX; Z. L. Du, Univ of Houston, TCSUH, Houston, TX; Yanyi Sum, Li Gao, Univ of Houston, TcSUH, Houston, TX; Yuyi Xue, Univ of Houston, Dept of Physics, Houston, TX.

3:45 PM R5.8
RHENIUM INFLUENCE ON THE SYNTHESIS OF SUPERCONDUCTING Hg tex2html_wrap_inline461 Re tex2html_wrap_inline463 Ba tex2html_wrap_inline351 Ca tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline471 CERAMICS AND THICK FILMS, S. Pinol, CSIC, Inst de Cicncia de Matls de Barcelona, Bellaterra, SPAIN; Agustin Sin, Albert Calleja, Xavier Obradors, Josep Fontcuberta, CSIC, Inst de Ciencia de Materials de Barcelona, Bellaterra, SPAIN; Ferran Espiell, Univ de Barcelona, Dept of Engr Quinica i Metallurgia, Barcelona, SPAIN.

4:00 PM R5.9
DEVELOPMENT OF HIGH-CURRENT YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline355 COATED CONDUCTORS ON ROLLED-Ni SUBSTRATES, Mariappan Paranthaman, Oak Ridge National Laboratory, Dept of Chemical tex2html_wrap_inline333 Analytical Science, Oak Ridge, TN; F. A. List, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; David P. Norton, Oak Ridge National Laboratory, Oak Ridge, TN; Amit Goyal, Oak Ridge National Laboratory, Metals tex2html_wrap_inline333 Ceramics Div, Oak Ridge, TN; E. D. Specht, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; David K. Christen, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; D. M. Kroeger, John D. Budai, Qing He, Oak Ridge National Laboratory, Solid State Div, Oak Ridge, TN; Dominic F. Lee, Oak Ridge National Laboratory, Metals tex2html_wrap_inline333 Ceramics Div, Oak Ridge, TN; P. M. Martin, Oak Ridge National Laboratory, Oak Ridge, TN.

4:15 PM R5.10
R.F. SPUTTERING OF BIAXIALLY-TEXTURED YSZ BUFFER LAYER ON ANGULAR ORIENTED METALLIC SUBSTRATE, Gregory Kozlowski, Cary Farlow, Jason Hundley, Wright State Univ, Dept of Physics, Dayton, OH; C. Varanasi, Univ of Dayton, Research Inst, Dayton, OH; Iman Maartense, Rama Nekkanti, E. K. Moser, Rand Biggers, Air Force Wright Laboratory, WL/MLPO, Wright Patterson AFB, OH; Charles E. Oberly, Air Force Wright Laboratory, WL/POOX, Dayton, OH; Tim L. Peterson, Air Force Wright Laboratory, Wright Patterson AFB, OH; Venkat Selvamanickam, Intermagnetics General Corp, Latham, NY; Ana Ivanova, SUNY-Albany, Albany, NY; Alain E. Kaloyeros, SUNY-Albany, Dept of Physics, Albany, NY.

4:30 PM R5.11
LARGE AREA DEPOSITION OF YBCO-FILMS BY PULSED-LASER DEPOSITON ON VARIOUS SUBSTRATES, Bernd Schey, Wolfgang Biegel, Gebbhard Ostreicher, Univ Augsburg, Dept of Physics, Augsburg, GERMANY; Marcus Kuhn, Univ Augsburg, Dept of Physics, Augsburg, GERMANY; Bernd Stritzker, Univ Augsburg, Inst of Physics, Augsburg, GERMANY.

4:45 PM R5.12
YBa tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline489 COATED CONDUCTORS BY LIQUID PHASE EPITAXY USING BaF tex2html_wrap_inline351 -ADDED OXIDE SOLUTION, Yasuji Yamada, ISTEC, Superconductivity Research Lab, Nagoya, JAPAN; Junichi Kawashima, Yusuke Niiori, Izumi Hirabayashi, Shoji Tanaka, ISTEC, Nagoya, JAPAN.

SESSION R6: POSTER SESSION: BSCCO AND TBCCO CONDUCTORS AND BULK
Chair: Dominic F. Lee
Wednesday Evening, April 2, 1997
8:00 P.M.
Salon 7
R6.1
THE INFLUENCE OF CATION STOICHIOMETRY VARIATION ON THE PHASE FORMATION AND THE CRITICAL CURRENTS IN Ag-SHEATHED Bi-2223 TAPE, Mario Quilitz, Forschungszentrum Karlsruhe, Inst fur Technische Physik, Karlsruhe, GERMANY; Wilfried Goldacker, Forschungszentrum Karlsruhe, Institut fur Technische Physik, Karlsruhe, GERMANY.

R6.2
OPTIMIZATION OF THE SUPERCONDUCTING CORE IN BI-2223 TAPES, Sherif Eskander Salib, Univ of Houston, Dept of Mechanical Engr, Houston, TX; Kamel Salama, Univ of Houston, Houston, TX.

R6.3
MICROSTRUCTURAL ANALYSIS OF COMPOSITE BPSCCO TAPES, C. Vipulanandan, Univ of Houston, Dept of Civil Engineering, Houston, TX; S. Salib, M. Mironova, Univ of Houston, Dept of Mech Engineering, Houston, TX.

R6.4
STUDY OF A (Ag,Mg) SUBSTRATE FOR Bi-2212 TAPES PREPARED BY ELECTROLYTIC DEPOSITION, Lelia Schmirgeld-Mignot, Julie Houzet, Fabrice Legendre, Pierre Regnier, CEA Saclay, Gif Sur Yvette, FRANCE.

R6.5
PROCESSING BULK Bi tex2html_wrap_inline351 Sr tex2html_wrap_inline351 CaCu tex2html_wrap_inline351 O tex2html_wrap_inline463 WITH NANOSCALE OXIDE ADDITIVES, Y. Xu, Mankato State Univ, Mankato, MN; Ken C. Goretta, Argonne National Laboratory, Energy Tech Div, Argonne, IL; L. R. Feng, M. Jiang, P. Kostic, Argonne National Laboratory, Energy Technology, Argonne, IL.

R6.6
IN SITU HIGH-TEMPERATURE XRD STUDY OF Bi-2212 SUPERCONDUCTOR COATED ON Ag PLATE, Chang Soo Kim, Yang Koo Cho, KRISS, Matls Evaluation Ctr, Taejon, SOUTH KOREA; Takeshi Hatano, Nat Research Inst for Metals, Ibaraki, JAPAN; Hiroaki Kumakura, Nat Research Inst for Metals, Ibaraki, JAPAN; Kazumasa Togano, Nat Research Inst for Metals, Ibaraki, JAPAN.

R6.7
CHARACTERIZATION OF HIGH TEMPERATURE SUPERCONDUCTOR COATED AG WIRES, Yuan-Kai Tao, TECO, Dept of R tex2html_wrap_inline333 D ,; M. K. Wu, National Tsing Hua Univ, Dept of Materials Science, Hsin-Chu, TAIWAN.

R6.8
PROCESSING OF HIGH-T tex2html_wrap_inline375 BSCCO SUPERCONDUCTOR TAPES, HanJin Lim, Stanford Univ, Center for Materials Research, Stanford, CA; J. Gerald Byrne, Univ of Utah, Dept of Metallurgical Engr, Salt Lake City, UT.

R6.9
IN-SITU LORENTZ FORCE HOOP STRESS AND CYCLING DEPENDENCE OF Jc OF HTS CONDUCTORS, Yusuf S. Hascicek, Osman Dur, Steven W. Van Sciver, Florida State Univ, Natl High Magnetic Field Lab, Tallahassee, FL.

R6.10
EFFECT OF BEND STRAIN ON THE J tex2html_wrap_inline329 OF COMMERCIAL HTS CONDUCTORS , Yusuf S. Hascicek, Lee-Ye Xiao, Beatrice Boutemy, Steven W. Van Sciver, Florida State Univ, Natl High Magnetic Field Lab, Tallahassee, FL.

R6.11
INFLUENCE OF PREPARATION CONDITIONS ON TEXTURE, DENSITY AND CRITICAL CURRENT OF Bi, Pb-2223 CERAMICS, Ivan F. Kononyuk, Academy of Sciences, Inst of General and Inorganic Chemistry, Minsk, BELARUS; Vladimir A. Lomonosov, Svetland Petrovna Tolochko, Yury G. Zonov, Inst of General tex2html_wrap_inline333 Inorganic Chemistry, Minsk, BELARUS; Leonid F. Makarenko, Belarusian State Univ, Dept of App Math tex2html_wrap_inline333 Comp Sci, Minsk, BELARUS; Nikolay M. Olekhnovich, Nikolay A. Sishonok, Inst of Solid State tex2html_wrap_inline333 Semiconductor Physics, Minsk, BELARUS; Viktoria M. Shclekhina, Aleksandr A. Shevchonok, Powder Metallurgy Research Inst, Minsk, BELARUS.

R6.12
GLASS CERAMIC PROCESSING OF Bi tex2html_wrap_inline513 Pb tex2html_wrap_inline515 Sr tex2html_wrap_inline351 Ca tex2html_wrap_inline351 Cu tex2html_wrap_inline349 O tex2html_wrap_inline459 : A KINETICALLY FASTER ROUTE TO TEXTURED BSCCO, Matthew J. Kramer, L. Margulies, Iowa State Univ, Ames Laboratory, Ames, IA; K. W. Dennis, R. W. McCallum, Iowa State Univ, Ames Lab, Ames, IA.

R6.13
PULSE VELOCITY CHARACTERIZATION OF BULK BPSCCO ELEMENTS DURING PROCESSING, C. Vipulananda, Univ of Houston, Dept of Civil Engr, Houston, TX; Wanli Lu, Univ of Houston, Dept of Mechanical Engr, Houston, TX.

R6.14
FABRICATION OF THE COMPOSITE OF Bi-2223 BULK SUPERCONDUCTOR AND MgO PLATE BY SINTER-FORGING FOR CURRENT LEADS, Norimitsu Murayama, Yasuyoshi Torii, Nat Ind Research Inst Nagoya, Nagoya, JAPAN.

R6.15
EFFECTS OF METAL CATIONS IN THE ROCK-SALT PLANE ON SUPERCONDUCTING PROPERTIES OF Tl,M-1223 PHASES (M=Hg,Bi,In), N. H. Hur, Y. K. Park, J. C. Park, Korea Research Inst of Standards and Science, Taejon, SOUTH KOREA.

R6.16
TEXTURED TlBaCaCuO SUPERCONDUCTING FILMS, M. P. Siegal, Eugene L. Venturini, D. L. Overmeyer, Paula P. Newcomer, R. G. Dunn, F. Dominguez, E. Peter Roth, Sandia National Laboratories, Albuquerque, NM.



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