Critical behavior of Zn1-xMnxO doped by nitrogen

被引：5
|
作者：
Igamberdiev, Kh. T. [1 ]
Yuldashev, Sh. U. [1 ]
Kang, T. W. [1 ]
Pelenovich, V. O. [2 ]
Shashkov, A. G. [3 ]
机构：
[1] Dongguk Univ, Quantum Funct Semicond Res Ctr, Seoul 100715, South Korea
[2] Uzbek Acad Sci, Dept Thermophys, Tashkent 700135, Uzbekistan
[3] Inst Heat & Mass Transfer, Minsk 220072, BELARUS
来源：
JOURNAL OF APPLIED PHYSICS | 2009年 / 105卷 / 11期
关键词：
MAGNETIC-PROPERTIES; CRITICAL EXPONENTS; THIN-FILMS; FERROMAGNETISM; TRANSITION;
D O I：
10.1063/1.3142244
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The thermal diffusivity measurements have been used to study the magnetic phase transition in Zn0.95Mn0.05O doped by nitrogen. The critical parameters of the ferromagnetic-paramagnetic transition have been obtained through the analysis of the inverse of the thermal diffusivity near the Curie temperature. Taking into account that the inverse of the thermal diffusivity has the same critical behavior as the specific heat, the critical exponent alpha has been determined. The results are consistent with the three-dimensional Heisenberg model for the magnetic phase transition. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3142244]
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页数：3
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