Effective medium theory for the inhomogeneous PdMnxFe1-x alloys

被引：0
|
作者：
Zenkov, E. V. [1 ]
机构：
[1] Ural State Tech Univ, Ekaterinburg 620002, Russia
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2010年 / 71卷 / 09期
关键词：
Alloys; Electrical conductivity; Optical properties; COMPOSITE MEDIA; CONDUCTIVITY;
D O I：
10.1016/j.jpcs.2010.05.008
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Ternary PdMnxFe1-x alloys are known to form a microinhomogeneous random mixture of PdMn and PdFe phases. The unconventional p(x) dependence of dc resistivity and singularities in low frequency optical conductivity spectra of alloys are described footing within the effective medium approach. The essential point of the model proposed is the anomalous role of insulating interfaces, whose proliferation at intermediate x gives rise to the observed maximum of resistivity near x similar or equal to 0.8. (C) 2010 Elsevier Ltd. All rights reserved.
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页码：1295 / 1300
页数：6
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