CRITICAL CURRENT AND ACTIVATION-ENERGY IN BI2SR2CA1CU2OX FILMS AFTER ION IRRADIATION

被引：5

作者：

HOSHIYA, T

TAKAMURA, S

ARUGA, T

KOBIYAMA, M

MIURA, S

KUBO, Y

SHOHATA, N

机构：

[1] JAPAN ATOM ENERGY RES INST, TOKAI RES ESTAB, TOKAI, IBARAKI 31911, JAPAN

[2] IBARAKI UNIV, FAC ENGN, HITACHI, IBARAKI 316, JAPAN

[3] NEC CORP LTD, FUNDAMENTAL RES LABS, MIYAMAE KU, KAWASAKI, KANAGAWA 213, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1990年 / 29卷 / 11期

关键词：

Activation energy; Bi[!sub]2[!/sub]Sr[!sub]2[!/sub]Ca[!sub]1[!/sub]Cu[!sub]2[!/sub]O[!sub]x[!/sub]film; Critical current density; He ion irradiation; Lorentz force;

D O I：

10.1143/JJAP.29.L2026

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The temperature dependence of electric voltage in Bi2Sr2Ca1Cu2Oxfilms after He ion irradiation is measured for various electric currents and magnetic fields. From the thermally activated behavior of flux lines, the activation energy and the relation between the transition temperature and the Lorentz force are obtained. The pinning energy and the critical current density in Bi2Sr2Ca1Cu2Oxsingle-phase films decrease due to He ion irradiation. © 1990 IOP Publishing Ltd.

引用

页码：L2026 / L2029

页数：4

共 8 条

[1] THEORY OF FLUX CREEP IN HARD SUPERCONDUCTORS [J].