DISLOCATION NETWORKS IN BI2SR2CACU2OY SINGLE-CRYSTALS

被引:14
|
作者
SHANG, P
YANG, G
JONES, IP
GOUGH, CE
ABELL, JS
机构
[1] UNIV BIRMINGHAM,SCH MET & MAT,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
[2] UNIV BIRMINGHAM,SCH PHYS & SPACE RES,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
关键词
D O I
10.1063/1.109921
中图分类号
O59 [应用物理学];
学科分类号
摘要
Highly regular dislocation networks in superconducting Bi2Sr2CaCu2Oy single crystals have been observed by means of transmission electron microscopy. A model describing their geometrical configuration, Burgers vectors, and formation mechanism is presented. The ratio of the stacking fault energy to shear modulus has been estimated. Such networks are suggested as possible planar pinning centers for flux in the superconducting state.
引用
收藏
页码:827 / 829
页数:3
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