FABRICATION OF TL-BA-CA-CU-O FILMS BY ANNEALING RF-SPUTTERED BA-CA-CU-O FILMS IN THALLIUM OXIDE VAPORS

被引：13

作者：

SHAH, SI

HERRON, N

FINCHER, CR

HOLSTEIN, WL

机构：

[1] Central Research and Development Department, Experimental Station, E. I. du Pont de Nemours and Company, Wilmington, DE 19880-0356

来源：

APPLIED PHYSICS LETTERS | 1990年 / 56卷 / 08期

关键词：

D O I：

10.1063/1.103316

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Thin, superconducting Tl-Ba-Ca-Cu-O films were grown using a two-step fabrication process which involved the growth of Ba-Ca-Cu-O films by reactive magnetron sputtering followed by ex situ high-temperature crystallization and thallination under thallium oxide vapors. Films were thallinated with both Tl2O3 and Tl2Ba2CuO6 as the source for thallium oxide vapors. Highly oriented films were obtained with the c axis perpendicular to the surface of the film. Best films had a T c (R=0) of 104 K and a critical current density of 5×10 4 A/cm2 at 77 K.

引用

页码：782 / 784

页数：3

共 11 条

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[9]

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