EPITAXIAL CEO2 FILMS AS BUFFER LAYERS FOR HIGH-TEMPERATURE SUPERCONDUCTING THIN-FILMS

被引：189

作者：

WU, XD

DYE, RC

MUENCHAUSEN, RE

FOLTYN, SR

MALEY, M

ROLLETT, AD

GARCIA, AR

NOGAR, NS

机构：

[1] Exploratory Research and Development Center, Los Alamos National Laboratory, Los Alamos

来源：

APPLIED PHYSICS LETTERS | 1991年 / 58卷 / 19期

关键词：

D O I：

10.1063/1.104994

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have prepared epitaxial (100)CeO2 thin films on LaAlO3, sapphire, and yttria-stabilized zirconia using pulsed laser deposition. It is demonstrated in this letter that the CeO2 films are chemically and structurally compatible to the high-temperature superconductor YBa2Cu3O7-delta (YBCO). Epitaxial YBCO films on CeO2/LaAlO3 had a zero resistance temperature and critical current density in a zero field of 90 K and 5.9 X 10(6) A/cm2 at 75 K, respectively. Furthermore, epitaxial multilayers of CeO2/YBCO were prepared. This work demonstrated that CeO2 is an excellent buffer layer material for the high-temperature superconductors.

引用

页码：2165 / 2167

页数：3

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