Stabilizing the associated non-autonomous phase upon thermal expansion of Zn2V2O7

被引：0
|
作者：
T. I. Krasnenko
M. V. Rotermel
R. F. Samigullina
机构：
[1] Russian Academy of Sciences,Institute of Solid State Chemistry, Ural Branch
来源：
Russian Journal of Inorganic Chemistry | 2017年 / 62卷
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摘要：
The previously unknown effect of emergence of an associated non-autonomous phase upon heating of zinc pyrovanadate Zn2V2O7 within the region of negative volume expansion is detected. Comparison of the data of high-temperature X-ray diffraction of the Zn2V2O7 samples synthesized via solution and solid-phase routes shows that the grain size affects the stabilization of the non-autonomous phase. The presence of a non-autonomous phase results in self-dispersion of the substance upon phase transition in heating–cooling cycles.
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页码：413 / 417
页数：4
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