Universal scaling of the Hall resistivity in MgB2 superconductors -: art. no. 184520

被引：21
|
作者：
Kang, WN [1 ]
Kim, HJ
Choi, EM
Kim, HJ
Kim, KHP
Lee, SI
机构：
[1] Pohang Univ Sci & Technol, Natl Creat Res Initiat Ctr Superconduct, Pohang 790784, South Korea
[2] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, South Korea
来源：
PHYSICAL REVIEW B | 2002年 / 65卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.65.184520
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The mixed-state Hall resistivity rho(xy) and the longitudinal resistivity rho(xx) in superconducting MgB2 thin films have been investigated as a function of the magnetic field over a wide range of current densities from 10(2) to 10(4) A/cm(2). We observe a universal Hall scaling behavior with a constant exponent beta of 2.0+/-0.1 in rho(xy)=Arho(xx)(beta), which is independent of the magnetic field, the temperature, and the current density. This result can be interpreted well within the context of recent theories.
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页码：1 / 4
页数：4
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