Fabrication of Long-Length and Bulk High-Temperature Superconductors, Volume 149

193 Pages·2006·9.773 MB·English

Fabrication of
Long-Length
and Bulk High-
Temperature
Superconductors
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Fabrication of
Long-Length
and Bulk High-
Temperature
Superconductors
Proceedings of the Fabrication of Long-Length and Bulk High-Temperature
Superconductors held at the 105th Annual Meeting offhe American Ceramic
Society, April 27-30, 2003, in Nashville,Tennessee
Edited by
Ruling Meng
University of Houston
Amit Goyal
Oak Ridge National Laboratory
Winnie Wong-Ng
National Institute of Standards and Technology
Kaname Matsumoto
Kyoto University
Herbert C. Freyhardt
Institut für Matellphysik, Universität Gottingen
Published by
The American Ceramic Society
PO Box 6136
Westerville, Ohio 43086-6136
www.ceramics.org
Proceedings of the Fabrication of Long-Length and Bulk High-Temperature Superconductors held at
the 105th Annual Meeting oflhe American Ceramic Society, April 27-30, 2003, in Nashville,
Tennessee
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COVER PHOTO: "Cross sectional view of the 19 filament hexagonal tube with SrZr03 oxide
barrier" is courtesy of Se-Jong Lee, DeukYong Lee.Yo-Seung Song, and Kyung-Hwan Ye and
appears as figure 2 in their paper "Preparation of SrZr03Thin Films on Bi(2223) Tapes for the
Reduction in AC Losses," which begins on page 95.
For information on ordering titles published by The American Ceramic Society, or to request a
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4 3 2 1-07 06 05 04
ISSN 1042-1122
ISBN 1-57498-204-4
Contents
Preface ix
Coated Conductors
Solution Buffer Layers forYBCO Coated Conductors 3
S. Sathyamurthy M. Paranthaman, H.-Y. Zhai, S. Kang, C. Cantoni, S. Cook L
Heatherly A. Goyal, H.M. Christen, Md.S. Bhuiyan, and K. Salama
Scale Up of High Performance High Temperature
Superconductors 9
V Selvamanickam,Y Li, H.G. Lee, X. Xiong,Y Qiao, J. Reeves, Y Xie, A. Knoll,
and K. Lenseth
Inclined-Substrate Pulsed Laser Deposition of Yttria-Stabilized
ZirconiaTemplate Film forYBCO Coated Conductors 15
B. Ma, M. Li, B.L Fisher; RE. Koritala, RM. Baunceanu, S.E. Dorris, and
U. Balachandran
Evaluating Superconducting YBCO Film Properties Using
X-Ray Photoelectron Spectroscopy 23
Paul N. Barnes, Justin C.Tolliver,Timothy J. Haugan, Sharmila M. Mukhopadhyay
and John T Grant
Development of Low-Cost Alternative Buffer Layer
Architectures forYBCO Coated Conductors 33
M. Parans Paranthaman.T Aytug, H.Y Zhai, H.M. Christen, D.K. Christen,
A. Goyal, L Heatherly, and D.M. Kroeger
Improvement of the Texture in AG Substrates for High
Temperature Superconductor Deposition 43
D.M. Liu, M.L Zhou, E.D. Li.W. Liu,YC. Hu. B. Zong, M. Liu andTY Zuo
Chemically Coated Buffer Layers Deposited on Rolled Ni
Substrates for HTS Coated Conductors 51
YX. Zhou, S. Bhuiyan, H. Fang and K. Salama
Development of Conductive La Sr MnO Buffer Layers for
07 03 3
Cu-Based RABiTS .'...' 59
Tolga Aytug, M. Parans Paranthaman, Amit Goyal, Albert Gapud, Noel Rutten
Hong Ying Zhai and David K. Christen
v
Pulsed Laser Deposition ofYBCO with Yttrium Oxide Buffer
Layers 63
Rama M. Nekkanti, Paul N. Barnes, Lyle B. Brunke.Timothy J. Haugan,
Nick A.Yust, Iman Maartense, John R Murphy, Srinivas Sathiraju, Juliana M. Evans,
Justin C.Tolliver, and Kenneth R. Marken Jr
BSCCO-Based Conductors, MgB and Other HTS
2
Materials
High Transport Properties in Iron-Clad MgB Wires and Tapes . 75
2
H. Fang, S. Padmanabhan,Y.X. Zhou, RT. Putman, and K. Salama
Flux Loss Measurments of Ag-Sheated Bi-2223 Tapes 83
Mi-Hye Jang, W. Wong-Ng, R. Shull, LR Cook DeaSik Suh, andTaekuk Ko
Preparation of SrZr0 Thin Films on Bi(2223) Tapes for the
3
Reduction in AC Losses 95
Se-Jong Lee, DeukYong Lee.Yo-Seung Song and Kyung-Hwan Ye
New Seeding Method for Texturing Y-Ba-Cu-O Bulk
Superconductor: Multiple Seeded Melt Growth 103
YX. Zhou, H. Fang, K. Salama and U. Balachandran
Control of Microstructure
Analytical Transmission Electron Microscopy of Thick
YBa^UjO^ Films on RABiTS 113
Keith J. Leonard, Sukill Kang, Byeongwon Kang, Amit Goyal and Donald M.
Kroeger
Thickness Dependence of JS inYBCO,TL-22l2 and HG-I2I2
C
Thick Films 123
J.Z.Wu, R. Emergo and X Wang
Damaged Effect in HTS Irradiated by U Fission Fragments ... 135
Alberto Gandini and Roy Weinstein
Effect of YBaCuO Morphology and Size in Semisolid Melt
2 s
on Growth Rate ofYBajCUjO^ Single Crystals 145
Oratai Jongprateep and Fatih Dogan
Flux Pinning and Properties of Solid-Solution
(XNdJ^XBajxCUjO^ Superconductors Processed in Air and
Partial Oxygen Atmospheres 151
TJ. Haugan, J. M. Evans, J. C.Tolliver, I. Maartense, RN. Barnes, WWong-Ng,
LR Cook, and R.D. Shull
VI
Phase Relations in the BaO-R0 -CuO Systems 163
2 3 x
WWong-Ng, LRCook, and J. Suh
Studies on Nanoparticulate Inclusions in Y-123 Thin Films.... 177
SSathiraju, RTMurray.Tj.Haugan, RM.Nekkanti, LBrunke, I.Maartense,
ALCampbell, J.RMurphy, J.CTolliven RN.Barnes
Index 185
The discovery of high-temperature superconductivity (HTS) 16 years ago
has been hailed as one of the most exciting advancements in modern
physics. However, the full impact of HTS will only be realized with the suc-
cess of large-scale applications. For most large-scale bulk applications of
HTS, jong-length flexible wires that can carry a large amount of supercur-
rent are required. During the last decade, remarkable progress has been
made in processing HTS conductors for large-scale applications. For exam-
ple, kilometer-length Bi-containing (BSCCO) first-generation wires/tapes
have been successfully fabricated. Significant improvement in the perform-
ance of the YBa Cu O (YBCO) - based second-generation wires/tapes
2 3 x
(coated conductors) has also been achieved in short-length (up to 10
meters) tapes. Substrate fabrication techniques that have received consid-
erable attention include IBAD (ion-beam-assisted deposition), RABiTS
(rolling assisted bi-axially textured substrates), and ISD (inclined substrate
deposition). Epitaxial growth of YBCO and other oxides on these sub-
strates can be accomplished by a variety of techniques including pulsed
laser deposition (PLD), electron beam evaporation, sputtering, chemical
combustion vapor deposition (CCVD), jet vapor deposition, ex-situ BaF
2
processing, ex-situ sol-gel techniques, and liquid phase epitaxy (LPE). A
worldwide research target is the development of practically scalable tech-
niques for the fabrication of long-length, YBCO thick films. Another major
focus area is that of the growth of thick YBCO films without massive degra-
dation of the superconducting properties.
For bulk applications, large crystal-like superconductor pucks, which are
often produced by melt-textured techniques, are required. Applications of
melt-textured YBCO materials, which exhibit large-domain lévitation,
include frictionless bearings for flywheels, contact-less transportation,
damping devices, flux-trap magnets, magnetic shields, and current leads.
Various important processing issues concerning melt-textured HTS are still
not yet fully understood. Furthermore, strategic research on microstruc-
tural issues such as weak-links, flux pinning, grain boundaries, and phase dia-
grams is still needed for the development of materials in both bulkand
wire/tape form.
This proceedings volume contains papers presented at the Fabrication of
Long-Length & Bulk HTS Conductors symposium during the 105th Annual
Meeting of The American Ceramic Society (ACerS), April 27-30, 2003 in
Nashville.Tennessee. The symposium featured the above-mentioned issues
pertaining to the processing of HTS materials, and also the current status
and potential of the YBCO-based coated conductors and the BSCCO-
IX
based conductors (especially Bi-2223 and Bi-2212) already in production.
MgB based wires for lower temperature applications were also highlighted.
2
The papers are divided into three sections: (I) coated conductors, (2)
BSCCO-based conductors, MgB , and other HTS materials, and (3) control
2
of microstructure.The order in which the papers appear in this proceedings
volume and the division into which they are organized may be different from
that of their presentation at the meeting. It is hoped that this comprehensive
volume will be a good summary of the latest developments in high-temper-
ature superconductor research as well as good source material for
researchers and managers working in this field.
We acknowledge the service provided by the session chairs and appreciate
the valuable assistance from the ACerS programming coordinators. We are
also in debt to Greg Geiger and Bill Jones for their involvement in editing and
producing this book. Special thanks are due to the speakers, authors, manu-
script reviewers, and ACerS officials for their contributions.
Ruling Meng
Amit Goyal
Winnie Wong-Ng
Kaname Matsumoto
H. C. Freyhardt
x
Fabrication of Long-Length and Bulk High-Temperature Superconductors
Edited by Ruling Meng, Amit Goyal, Winnie Wong-Ng,
Kaname Matsumoto and Herbert C. Freyhardt
Copyright O 20O4, The American Ceramic Society
Coated Conductors