Measurement of the anisotropy ratios in MgB2 single crystals

被引：2
|
作者：
Kim, Heon-Jung
Kang, Byeongwon
Lee, Hyun-Sook
Lee, Sung-Ik [1 ]
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
[3] Korea Basic Sci Inst, Quantum Mat Lab, Taejon 305333, South Korea
来源：
PHYSICA B-CONDENSED MATTER | 2006年 / 378-80卷
关键词：
MgB2 single crystal; two-gap superconductivity; anisotropy ratio;
D O I：
10.1016/j.physb.2006.01.328
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present our recent measurements on the anisotropy ratios of MgB2 single crystals. Our measurements indicate that the anisotropy ratios of the penetration depth and of the upper critical field have different magnitudes and temperature dependences, as predicted by theoretical calculations. These results imply that the two-gap nature can strongly influence the superconducting properties of MgB2. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：890 / 891
页数：2
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