Application of textured highly alloyed Ni-W tapes for preparing coated conductor architectures

被引：25

作者：

Huehne, R. ^{[1
]}

Eickemeyer, J. ^{[1
]}

Sarma, V. S. ^{[2
]}

Gueth, A. ^{[1
]}

Thersleff, T. ^{[1
]}

Freudenberger, J. ^{[1
]}

de Haas, O. ^{[3
]}

Weigand, M. ^{[4
]}

Durrell, J. H. ^{[4
]}

Schultz, L. ^{[1
]}

Holzapfel, B. ^{[1
]}

机构：

[1] IFW Dresden, Inst Metall Mat, D-01171 Dresden, Germany

[2] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India

[3] Evico GmbH, D-01127 Dresden, Germany

[4] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2010年 / 23卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

COMPOSITE SUBSTRATE; BUFFER LAYERS; HIGH-STRENGTH; DEPOSITION; GROWTH; SUPERCONDUCTORS; PERFORMANCE; EVAPORATION; FILMS; Y2O3;

D O I：

10.1088/0953-2048/23/3/034015

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An epitaxial Y(2)O(3)/YSZ/CeO(2) buffer architecture has been prepared on cube textured Ni-5 at.% W, Ni-7.5 at.% W and Ni-9 at.% W tapes using pulsed laser deposition. The buffer layer growth was studied in detail and revealed a good texture transfer throughout the structure on the global as well as on the local scale. YBCO (yttrium barium copper oxide) layers were successfully deposited on the buffered tapes, showing an in-plane texture spread of about 7 degrees. Microstructural investigations revealed clear interfaces and a homogeneous surface structure. A superconducting transition temperature of more than 89 K with a small transition width was observed for all metal substrates. A critical current density J(c) of more than 0.9 MA cm(-2) was measured inductively at 77 K in the self-field on all substrates.

引用

页数：7

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