Comparative study of REBa2Cu3O7 films for coated conductors

被引：32
作者：
Jia, QX
Maiorov, B
Wang, H
Lin, Y
Foltyn, SR
Civale, L
MacManus-Driscoll, JL
机构：
[1] Los Alamos Natl Lab, Superconduct Technol Ctr, Los Alamos, NM 87545 USA
[2] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2005年 / 15卷 / 02期
关键词：
epitaxial growth; laser ablation; rare earth compounds; superconducting films;
D O I：
10.1109/TASC.2005.847797
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We carried out systematic investigation on the processes and characteristics of REBa2Cu3O7 or RE123 (RE = Nd, Sm, Eu, Dy, Ho, Er, and Yb) films on single crystal SrTiO3 for coated conductors. The higher transition temperature, the higher growth rate, and the much better surface morphology for the large RE's such as Nd123, Sm123, and Eu123 make them attractive for thick films. The larger processing window for some other RE123 materials such as Dy123 and Yb123, on the other hand, makes them striking for scale-up and fabrication of long-length conductors. In the case of mixed RE's, enhanced pinning from ion size variance is also observed. We present our comparative study of the field- and angle-dependent critical current densities between these RE123 and Y123 films.
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收藏
页码：2723 / 2726
页数：4
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