Universal transport and magnetic properties of YBCO and TBCCO films

被引：3
|
作者：
Jung, J [1 ]
Yan, H [1 ]
Darhmaoui, H [1 ]
Kwok, WK [1 ]
机构：
[1] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada
来源：
SUPERCONDUCTING AND RELATED OXIDES: PHYSICS AND NANOENGINEERING III | 1998年 / 3481卷
关键词：
Josephson nanostructures; critical current; vortex pinning; high temperature superconductors;
D O I：
10.1117/12.335867
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated a temperature dependence of the critical current density J(c)(T) and a dependence of the energy barrier for vortex motion on current density U-eff(J) in several YBCO and TBCCO thin films. The measurements have been done using rings in a persistent mode and a scanning Hall probe to record J(c)(T) and U-eff(J) The results revealed that both quantities exhibit a universal behaviour governed by an intrinsic property of these superconductors; Josephson nanostructures in the a-b planes of YBCO and TBCCO.
引用
收藏
页码：172 / 181
页数：10
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