PERSISTENT CURRENT-DENSITY AND FLUX-CREEP IN BI-SR-CA-CU-O/AG TAPES WITH SPLAYED COLUMNAR DEFECTS FROM 0.8 GEV PROTON IRRADIATION

被引:10
作者
THOMPSON, JR
KRUSINELBAUM, L
KIM, YC
CHRISTEN, DK
MARWICK, AD
WHEELER, R
LI, C
PATEL, S
SHAW, DT
LISOWSKI, P
ULLMANN, J
机构
[1] UNIV TENNESSEE,DEPT PHYS,KNOXVILLE,TN 37996
[2] IBM CORP,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598
[3] ARGONNE NATL LAB,ARGONNE,IL 60439
[4] SUNY BUFFALO,NEW YORK STATE INST SUPERCONDUCT,AMHERST,NY 14260
[5] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87545
关键词
D O I
10.1109/77.402947
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Composite Bi2Sr2Ca1Cu2O8/Ag tapes were irradiated with 0.8 GeV protons to create splayed columnar defects in the superconductor. The resultant effective pinning of vortices leads to an enhanced persistent current density in the CuO planes, displacement of the irreversibility line to higher temperatures and magnetic fields, and a major reduction in the logarithmic time decay rate of the supercurrent density.
引用
收藏
页码:1876 / 1879
页数:4
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