Magnetic properties of quasi two-dimensional antiferromagnetic materials:: Application to Rb2MnCl4, Rb2MnF4 and K2MnF4

被引：0
|
作者：
Pantic, M. R. [1 ]
Manojlovic, M. S. [1 ]
Kapor, D. V. [1 ]
机构：
[1] Dept Phys, Fac Sci, Trg D Obradovica 4, Novi Sad, Serbia
来源：
SIX INTERNATIONAL CONFERENCE OF THE BALKAN PHYSICAL UNION | 2007年 / 899卷
关键词：
two-dimensional heisenberg antiferromagnet; spin anisotropy; green's function; callen technique;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A class of materials simulating the two-dimensional Heisenberg antiferromagnets with an XXZ spin anisotropy is studied using the method of double-time-temperature Green's functions (GF) with spin S = 5/2 within Tyablikov's decoupling approximation. The Neel temperature T-N is calculated employing the method of Callen, and agrees rather well with the measured values for the quasi two-dimensional antiferromagnets Rb2MnCl4, Rb2MnF4 and K2MnF4 in zero magnetic field.
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收藏
页码：638 / 638
页数：1
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