ROLE OF BUFFER LAYERS FOR SUPERCONDUCTING YBA2CU3O7-X THIN-FILMS ON GAAS SUBSTRATES

被引：21

作者：

JIA, QX

LEE, SY

ANDERSON, WA

SHAW, DT

机构：

来源：

APPLIED PHYSICS LETTERS | 1991年 / 59卷 / 09期

关键词：

D O I：

10.1063/1.106363

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

High-temperature superconducting YBa2Cu3O7-x (YBCO) thin films were deposited on GaAs substrates by laser ablation. A double-buffer layer of yttrium-stabilized ZrO2 (YSZ)/Si3N4 was used to nucleate YBCO but also to prevent the degradation of the GaAs during YBCO film deposition. Superconducting YBCO thin films with a highly c-axis orientation perpendicular to the substrate surface, zero-resistance temperature of 85.5 K, and critical current density of 1.9 X 10(3) and 1.3 X 10(4) A/cm2 at 77 and 50 K, respectively, have been achieved in our experiments. These values are believed to be the best results reported so far for YBCO on GaAs.

引用

页码：1120 / 1122

页数：3

共 15 条

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