Analysis of incommensurate structure in [N(CH3)4]2ZnCl4 crystal

被引：0
|
作者：
Ida, T [1 ]
Mizuno, M [1 ]
Suhara, M [1 ]
机构：
[1] Kanazawa Univ, Fac Sci, Dept Chem, Kanazawa, Ishikawa 9201192, Japan
来源：
PHASE TRANSITIONS | 2000年 / 72卷 / 01期
关键词：
incommensurate phase; modulated structure; soliton; EPR;
D O I：
10.1080/01411590008224549
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We analyzed the temperature dependence of the amplitude of modulated structures of [N(CH3)(4)](2)ZnCl4 crystal in the incommensurate (INC) phase by measuring the EPR spectra for Mn2+ doped single crystal. The amplitude of the vibrational modulation linearly increased with decreasing temperature. Applying Frank and Van der Merwe model, we simulated the EPR spectra in the INC phase. The simulated spectra agreed with the observed one very well. We, therefore, revealed that the vibrational modulation in this INC phase is due to the interaction between the harmonic chain of inter-particles and the modulation due to underlying potential which comes from the commensurate structure.
引用
收藏
页码：43 / 55
页数：13
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