GAMMA-IRRADIATION EFFECT ON A BI1.5PB0.5SR2CA2CU3O10 SUPERCONDUCTOR

被引：16

作者：

SHIRAISHI, K ^{[1
]}

YANO, K ^{[1
]}

OTOGURO, Y ^{[1
]}

机构：

[1] GUNMA UNIV, FAC ENGN, KIRYU, GUNMA 376, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1991年 / 30卷 / 7B期

关键词：

SUPERCONDUCTOR; (BI; PB)2SR2CA2CU3O10; CERAMIC; GAMMA IRRADIATION; ELECTRICAL RESISTIVITY; TRANSITION TEMPERATURE;

D O I：

10.1143/JJAP.30.L1260

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A Bi1.5Pb0.5Sr2Ca2Cu3O10-y ceramic was sequentially irradiated with Co-60 gamma-rays of 1.5 MR.h-1 in dose rate up to a dose of about 50 MR at ambient temperature, and the electrical resistivity was measured as a function of temperature. The critical superconducting transition temperature of 103.4 K increased to 104.1 K at 20.25 MR, and then decreased at a rate of 2.0 x 10(-2) K/MR on further irradiation. Concurrently, the electrical resistivity at 300 K increased almost linearly with a rate of 0.1 mu-OMEGA.m/MR in the dose range of about 2 to 20 MR, and the resistivity was little changed by the irradiation to about 37 MR.

引用

页码：L1260 / L1263

页数：4

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