Analysis of two-magnon Raman scattering in quasi-one-dimensional chain antiferromagnet CsMnCl3 center dot 2H(2)O

被引：2
|
作者：
Eremenko, V [1 ]
Fomin, V [1 ]
Kurnosov, V [1 ]
机构：
[1] KHARKOV LOW TEMP PHYS & ENGN INST, UA-310164 KHARKOV, UKRAINE
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1996年 / 157卷
关键词：
antiferromagnet; magnon; Raman scattering; polarizability;
D O I：
10.1016/0304-8853(95)00999-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The two-magnon Raman scattering obtained in CsMnCl3 . 2H(2)O was analyzed within a microscopic semi-phenomenological theory of the spin-dependent polarizability of exchange-coupled magnetic ions. Good agreement was obtained between observed and calculated polarization selection rules for two-magnon bands in the Raman spectra. It was shown that the nonevident selection rule for the observation of the two-particle peak-shape band originated mainly from magnons near the one-dimensional Brillouin zone boundary due to the specific zig-zag-type disposition of the Mn2+ ions in the chain structure.
引用
收藏
页码：484 / 486
页数：3
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