First order transition of the vortex lattice in disordered Bi-2212 crystals

被引：0
|
作者：
van der Beek, K [1 ]
Abalosheva, I [1 ]
Konczykowski, M [1 ]
Li, M [1 ]
Kes, P [1 ]
Indenbom, M [1 ]
机构：
[1] Ecole Polytech, CNRS, UMR 7642,Lab Solides Irradies,, F-91128 Palaiseau, France
来源：
MAGNETO-OPTICAL IMAGING | 2004年 / 142卷
关键词：
superconductivity; vortex lattice; first order transition; inhomogeneity; disorder;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Using differential magneto-optical imaging, we address the question of mesoscopic inhomogeneity in underdoped Bi2Sr2CaCu2O8 (Bi-2212) single crystals. Among other features, it is shown that an anomalous temperature dependence of the penetration field and of the first order transition (FOT) field of the vortex lattice in such crystals can be understood as arising from inhomogeneity. The effect of chemical inhomogeneity and pinning on flux penetration and the FOT is discussed.
引用
收藏
页码：79 / 86
页数：8
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