V52O64 tetragonal superstructure of cubic vanadium monoxide with vacancies in the metal sublattice

被引：4
作者：
Gusev, A. I. [1 ]
Davydov, D. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Solic State Chem, Ural Div, Ekaterinburg 620041, Russia
来源：
JETP LETTERS | 2008年 / 88卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S0021364008140099
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The atom-vacancy ordering of cubic vanadium monoxide VO1.29, Which has basis cubic structure B1 and Structural vacancies in the metal sublattice, has been studied using the x-ray diffraction method. It has been shown that the formation of the teatragonal (space I4(1)/amd) ordered phase V52O64 of cubic vanadium monoxide VOy proceeds as a first-order phase transition through the disorder-order channel including 22 nonequivalent superstructure vectors of four stars {k(10)}, {k(4)}, {k(3)}, and {k(2)}. The distribution function of the vanadium atones in the V52O64 tetragonal superstructure has been calculated.
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页码：111 / 117
页数：7
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