Vortex channel flow effect in grain boundary of YBCO thin film under inclined magnetic field

被引：1
|
作者：
Hua Tao [1 ,2 ]
Yu Mei [1 ]
Geng Haifeng [1 ]
Xu Weiwei [1 ]
Lu Yapeng [1 ]
Qin Cui [2 ]
Yu Huilong [2 ]
Wu Jingbo [1 ]
Wang Huabing [1 ]
Chen Jian [1 ]
Wu Peiheng [1 ]
机构：
[1] Nanjing Univ, Sch Elect Sci & Engn, Res Inst Superconductor Elect, Nanjing 210093, Jiangsu, Peoples R China
[2] Nanjing Inst Technol, Sch Commun Engn, Nanjing 211167, Jiangsu, Peoples R China
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2018年 / 554卷
基金：
中国国家自然科学基金;
关键词：
YBA2CU3O7-DELTA SINGLE-CRYSTALS; SUPERCONDUCTORS; LATTICE;
D O I：
10.1016/j.physc.2018.08.005
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
By measuring the dependence of transverse (Hall) and longitudinal magnetoresistance on temperature, the vortex easy-flow channel effect in an YBCO microbridge with an inclined GB was studied when the magnetic field was rotated in the ac plane of the film. In addition, the magnetic field angular dependence of critical current density in an YBCO microbridge with a GB perpendicular to bridge was measured when the magnetic field was rotated in the ab plane of the film. These measurement results demonstrate that there still can be vortex components moving inside and along the plane of the GB even though the vortices diagonally cross the GB.
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页码：15 / 18
页数：4
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