The normal-state resistivity of grain boundaries in YBa2Cu3O7-δ

被引：12
|
作者：
Ransley, JHT
Mennema, SH
Sandeman, KG
Burnell, G
Tarte, EJ
Evetts, JE
Blamire, MG
Kye, JI
Oh, B
机构：
[1] Univ Cambridge, Dept Mat Sci, Cambridge CB2 3QZ, England
[2] LG Elect Inst Technol, Seoul 137724, South Korea
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 20期
关键词：
D O I：
10.1063/1.1753055
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Using an optimized bridge geometry, we have been able to make accurate measurements of the properties of YBa2Cu3O7-delta grain boundaries above T-c. The results show a strong dependence of the change of resistance with temperature on grain boundary angle. Analysis of our results in the context of band bending at the boundary allows us to estimate the height of the potential barrier present at the grain boundary interface. (C) 2004 American Institute of Physics.
引用
收藏
页码：4089 / 4091
页数：3
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