ELECTRICAL TRANSPORT AND SUPERCONDUCTIVITY IN THE AU-BI2SR1.8CA1.2CU2OY COMPOSITE SYSTEM

被引：3

作者：

LIN, WY ^{[1
]}

LIN, JJ ^{[1
]}

CHEN, TM ^{[1
]}

机构：

[1] NATL CHIAO TUNG UNIV,INST APPL CHEM,HSINCHU 30050,TAIWAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1992年 / 31卷 / 2B期

关键词：

HIGH-TC SUPERCONDUCTOR; BI2SR1.8CA1.2CU2OY; AU ADDITION; ELECTRICAL RESISTIVITY; PERCOLATION;

D O I：

10.1143/JJAP.31.L151

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have measured the resistivity-rho of the Au-Bi2Sr1.8Ca1.2Cu2Oy composite system with Au volume fraction p(Au) ranging from 0.00 to 1.00. We find, for the samples with p(Au) less-than-or-equal-to 0.4, that the addition of Au does not disturb the superconducting transition temperature of Bi2Sr1.8Ca1.2Cu2Oy. For the samples with p(Au) greater-than-or-equal-to 0.6, no zero-resistivity state is observed. The variation of rho(300 K) with p(Au) indicates a three-dimensional percolating Au matrix occurring at p(Au) almost-equal-to 0.18.

引用

页码：L151 / L153

页数：3

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