SUPERCONDUCTIVITY OF BI2SR2CAN-1CUNOY (N=2, 3, 4, AND 5) THIN-FILMS PREPARED INSITU BY MOLECULAR-BEAM EPITAXY TECHNIQUE

被引：43

作者：

NAKAYAMA, Y ^{[1
]}

TSUKADA, I ^{[1
]}

UCHINOKURA, K ^{[1
]}

机构：

[1] UNIV TOKYO,DEPT APPL PHYS,BUNKYO KU,TOKYO 113,JAPAN

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 70卷 / 08期

关键词：

D O I：

10.1063/1.350342

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Preparation techniques and properties of Bi-Sr-Ca-Cu-O thin films are reported. The optimization of the substrate temperature in ozone atmosphere and the shuttering of molecular beams on an atomic scale enabled us to prepare thin films of Bi2Sr2Can-1CunOy (n = 1, 2, 3, 4, and 5). These films showed superconducting transition with the exception of the n = 1 phase and resistivities showed strong temperature dependence without heat treatment after deposition. Reflection high-energy electron diffraction showed sharp streaks, which suggest the growth of films with flat surface on an atomic scale.

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页码：4371 / 4377

页数：7

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