New MnO–Nb(Ta)2O5 Phases Produced at High Pressures and Temperatures

被引：0
|
作者：
N. V. Tarakina
A. P. Tyutyunnik
T. V. D'yachkova
V. G. Zubkov
Yu. G. Zainulin
M. J. Sayagues
G. Svensson
机构：
[1] Russian Academy of Sciences,Institute of Solid State Chemistry, Ural Branch
[2] Stockholm University,Department of Structural Chemistry
来源：
Journal of Structural Chemistry | 2003年 / 44卷
关键词：
niobates; tantalates; crystal structure; X‐ray diffraction; electron diffraction; high pressure;
D O I：
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学科分类号：
摘要：
Phase formation at high pressures and temperatures were studied in the MnO–Nb(Ta)2O5 system. New rhombohedral modifications of Mn4Nb2O9 and Mn4Ta2O9, two new modifications of MnTa2O6, and two modifications of Mn2Ta2O7 were obtained. They were structurally identified.
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页码：252 / 255
页数：3
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