Transport properties and Raman spectra of impurity substituted MgB2

被引:6
|
作者
Masui, T. [1 ]
机构
[1] Osaka Univ, Dept Phys, Osaka 5600043, Japan
来源
关键词
MgB2; resistivity; Raman spectra; substitution effect;
D O I
10.1016/j.physc.2007.01.022
中图分类号
O59 [应用物理学];
学科分类号
摘要
Recent advances in the study of MgB2 are reviewed, with focus on the transport properties and Raman scattering measurements for impurity substituted crystals. Carbon and Aluminium substitution change band filling, introduce intraband and interband scattering. These effects are seen in the temperature dependence of resistivity, Hall coefficients, and phonon peak of Raman spectra. Manganese substitution introduces magnetic scattering, that increases resistivity but gives little change in Raman spectra. The effect of disorder in neutron irradiated samples is also discussed, (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:102 / 107
页数:6
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