MOSSBAUER STUDY OF THE PEIERLS TRANSITION IN THE QUASI-2 DIMENSIONAL MOLYBDENUM OXIDE GAMMA-MO4O11

被引：2
|
作者：
CHEVALIER, R
DUMAS, J
机构：
[1] CNRS, Laboratoire d'Etudes des Propriétés Electroniques des Solides, associated with Université J. Fourier, 38042 Grenoble Cedex
来源：
SOLID STATE COMMUNICATIONS | 1991年 / 78卷 / 03期
关键词：
D O I：
10.1016/0038-1098(91)90279-5
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Mossbauer studies have been performed between 77K and 300K on powders of the quasi-two dimensional oxide Fe-57-doped gamma-Mo4O11. The spectra show four quadrupolar doublets. The observed anomaly of the center shift in the vicinity of the Peierls-charge density wave transition at 100K is ascribed to a decrease of the Debye-Waller factor of two molybdenum sites only. The associated hysteresis phenomena are discussed in terms of interactions between slowly diffusing Fe-57 impurities and the charge density wave.
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收藏
页码：181 / 183
页数：3
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