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.
引用
收藏
页码：459 / 464
页数：6
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