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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收藏
页码：1163 / 1164
页数：2
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