INTRINSIC PINNING AND LOCK-IN TRANSITION OF FLUX LINES IN LAYERED TYPE-II SUPERCONDUCTORS

被引:268
作者
FEINBERG, D
VILLARD, C
机构
[1] Laboratoire d'Etudes des Propriétés Electroniques des Solides, Centre National de la Recherche Scientifique, 38042 Grenoble
关键词
D O I
10.1103/PhysRevLett.65.919
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Reversible flux penetration in uniaxial layered superconductors is studied, taking into account the possible trapping of vortex cores between layers. This is found to induce high intrinsic critical currents parallel to the layers. In low and intermediate fields, the flux lines experience a lock-in transition towards the layer plane, as a function of the field direction or intensity. Application to anisotropic high-Tc materials is discussed. © 1990 The American Physical Society.
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页码:919 / 922
页数:4
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