OBSERVATION OF THE FLUX-LINE LOCK-IN TRANSITION IN LAYERED SUPERCONDUCTORS

被引：50
|
作者：
STEINMEYER, F [1 ]
KLEINER, R [1 ]
MULLER, P [1 ]
MULLER, H [1 ]
WINZER, K [1 ]
机构：
[1] UNIV GOTTINGEN,INST PHYS 1,W-3400 GOTTINGEN,GERMANY
来源：
EUROPHYSICS LETTERS | 1994年 / 25卷 / 06期
关键词：
D O I：
10.1209/0295-5075/25/6/011
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have investigated the vortex structure in three different representatives of highly anisotropic layered superconductors: T12Ba2Ca2Cu3O10, Bi2Sr2CaCu2O8 and kappa-(BEDT-TTF)2-Cu[N(CN)2]Br. Based on the equilibrium part of the magnetic torque we identify the vortex lock-in transition, i.e. the perfect alignment of the magnetic induction parallel to the superconducting planes. This Meissner state for pancake vortices is quantitatively confirmed by ideal screening of the perpendicular field component.
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收藏
页码：459 / 464
页数：6
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