SUPERCONDUCTING YBACUO THIN-FILMS ON GAAS ALGAAS

被引：12

作者：

RAO, MR

TARSA, EJ

SAMOSKA, LA

ENGLISH, JH

GOSSARD, AC

KROEMER, H

PETROFF, PM

HU, EL

机构：

来源：

APPLIED PHYSICS LETTERS | 1990年 / 56卷 / 19期

关键词：

D O I：

10.1063/1.103041

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Superconducting YBaCuO (1-2-3) thin films have been deposited on GaAs by laser ablation, in the presence of an oxygen plasma, at a substrate temperature of 600 °C. The (100) GaAs had a thin (100 Å) Al0.3Ga 0.7As cap layer, in order to prevent decomposition of the GaAs. The as-deposited YBaCuO film had a Tc (onset) of 80 K and a Tc (zero) of 20 K. Transmission electron microscopy studies showed the presence of voids in the GaAs, ∼1000 Å in length, and extending 500 Å into the GaAs.

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页码：1905 / 1907

页数：3

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