The vortex phase diagram of Bi2Sr2CaCu2Oy investigated by the resistivity measurements

被引：1
|
作者：
Ikuta, H
Watauchi, S
Kobayashi, H
Nakayama, Y
Shimoyama, J
Kitazawa, K
Kishio, K
机构：
[1] Department of Superconductivity, University of Tokyo, Tokyo 113, 7-3-1 Hongo, Bunkyo-ku
来源：
PHYSICA C | 1997年 / 282卷
关键词：
D O I：
10.1016/S0921-4534(97)01089-7
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The mixed state of Bi2Sr2CaCu2Oy was investigated by the means of the resistivity measurements with the magnetic field applied parallel to the crystallographic c-axis direction. Under relatively low magnetic field, the resistivity showed an abrupt change with temperature at the vortex-lattice melting point, while smooth temperature dependence was observed at higher fields. Non-ohmic behavior of the resistivity was observed over a wide range of temperature and magnetic field, which apparently disappeared at high magnetic field. We discuss the observed behavior in the context of a possible vortex-glass transition.
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页码：2015 / 2016
页数：2
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