METALORGANIC DEPOSITION OF HIGH CRITICAL CURRENT THIN-FILMS IN THE BI-SR-CA-CU-O SYSTEM ON (100) LAALO3 SUBSTRATES

被引：15

作者：

GOLDEN, SJ

LANGE, FF

CLARKE, DR

CHANG, LD

NECKER, CT

机构：

[1] UNIV CALIF SANTA BARBARA,DEPT MAT SCI,SANTA BARBARA,CA 93106

[2] UNIV CALIF SANTA BARBARA,DEPT ELECT & COMP ENGN,SANTA BARBARA,CA 93106

[3] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87544

来源：

APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 03期

关键词：

D O I：

10.1063/1.107934

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Superconducting thin films of the two Cu-layer phase in the Pb-doped Bi-Sr-Ca-Cu-O system have been fabricated on {100} LaAlO3 single crystals by the metalorganic deposition from ethyl hexanoate precursors. Thin films given heat treatments in air at 850-860-degrees-C had resistive transitions with a T(c) of 86-89 K. The zero-field transport critical current densities were in the range of 2-4 X 10(5) A/cm-2 at 77 K and 10(6) A cm-2 at 45 K in 200-300-nm-thick films. In contrast to c-axis oriented films grown on {100} MgO, x-ray pole figures show that the films grown on {100} LaAlO3 are epitaxial, a result confirmed by electron channeling patterns.

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页码：351 / 353

页数：3

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