SUPERCONDUCTING THALLIUM OXIDE-FILMS VIA AN ELECTRO-DEPOSITED PRECURSOR

被引：23
作者：
BHATTACHARYA, RN
DUDA, A
GINLEY, DS
DELUCA, JA
REN, ZF
WANG, CA
WANG, JH
机构：
[1] GE CO,CORP RES & DEV,SCHENECTADY,NY 12301
[2] SUNY BUFFALO,BUFFALO,NY 14214
来源：
PHYSICA C | 1994年 / 229卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(94)90823-0
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Electro-deposited precursor films of BaCaCuO (BCCO) doped with Ag were prepared on Ag foil. The electrodeposited films were processed using a two-zone anneal, which employs a Tl source zone and a separate sample zone, both within an O2 ambient. The annealed films showed c-axis oriented 1223 as the major phase. At 77 K and no magnetic field, the critical current density was 4.42 x 10(4) A/cm2 using the field criterion of 1 muV/cm. The field dependence for the Tl-1223 film was equally impressive, showing 8.2 x 10(3) A/cm2 at 5.5 T (77 K) for the field oriented parallel to the ab plane (H(parallel-to) ab) and parallel to the applied current.
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收藏
页码：145 / 151
页数：7
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