Phase transitions in double molybdates K2M2II(MoO4)3 with M = Mg or Co

被引：0
|
作者：
A. A. Il’ina
I. A. Stenina
E. P. Kharitonova
A. B. Yaroslavtsev
机构：
[1] Russian Academy of Sciences,Kurnakov Institute of General and Inorganic Chemistry
[2] Moscow State University,undefined
来源：
Russian Journal of Inorganic Chemistry | 2007年 / 52卷
关键词：
Scandium; Differential Thermal Analysis Curve; Vanadium Oxide; Cation Mobility; Heterovalent Substitution;
D O I：
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中图分类号：
学科分类号：
摘要：
Phase transitions and cation mobility in double molybdates K2M2II(MoO4)3 with M = Mg or Co and the products of their heterovalent doping with scandium(III) and vanadium(V) have been studied. The transition from low to high conductivity in K2M2II(MoO4)3 is the result of a two-stage phase transition, whose occurrence is significantly extended in time. Heterovalent substitutions noticeably decrease the heat of the phase transition. The transition to the low-temperature phase is not achieved even after long-term exposure.
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页码：1643 / 1647
页数：4
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