VORTEX DYNAMICS IN YBA2CU3O7 FILMS

被引：32

作者：

MARTINOLI, P

FLUCKIGER, P

MARSICO, V

SRIVASTAVA, PK

LEEMANN, C

GAVILANO, JL

机构：

[1] Institut de Physique, Université de Neuchâtel, Neuchâtel

来源：

PHYSICA B | 1990年 / 165卷

关键词：

D O I：

10.1016/S0921-4526(09)80167-1

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The low frequency complex ac impedance Z of c-axis oriented Y Ba2Cu3O7 thin films was measured as a function of the applied magnetic field B. At temperatures not too close to the transition temperature the imaginary part of Z is proportional to B2, while the real part consists of a term proportional to B3 and an additional term proportional to exp(-1/B) which appears at higher fields. This behavior is in agreement with a description of vortex dynamics with a Langevin equation of motion. © 1990, Elsevier Science Publishers B.V. (North-Holland). All rights reserved.

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页码：1163 / 1164

页数：2

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