Pressure-induced Fm(3)over-barm->R(3)over-bar phase transition in NaSbF6

Sowa H

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Pressure-induced Fm(3)over-barm->R(3)over-bar phase transition in NaSbF6

机译：NaSbF6中压力诱导的Fm（3）过量-> R（3）过量-相变

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High-pressure X-ray diffraction measurements on NaSbF6 powder were performed up to 5.63 (7) GPa. At similar to 0.1 GPa the cubic low-pressure phase with ordered ReO3-type crystal structure undergoes a phase transition into a rhombohedral LiSbF6-type modification. The high-pressure behaviour of this phase is characterized by rotations and distortions of the coordination octahedra, but it also can be described with a sphere-packing deformation. The octahedral distortions are probably caused by cation-cation repulsions.

机译：在最高5.63（7）GPa的NaSbF6粉末上进行高压X射线衍射测量。在类似于0.1 GPa的情况下，具有有序ReO3型晶体结构的立方低压相经历了相转变成菱形LiSbF6型修饰。该相的高压行为以配位八面体的旋转和变形为特征，但也可以用球体堆积变形来描述。八面体变形可能是由阳离子-阳离子排斥引起的。

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《Acta Crystallographica, Section B. Structural Science》 |1997年第1期|共7页
作者
Sowa H;
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正文语种 eng
中图分类晶体学;
关键词
MII = CO; RAMAN-SCATTERING; FERROELASTIC PROPERTIES; ZN; DIFFRACTION; ALF3; VF3;

机译：MII = CO;拉曼散射;铁弹性;ZN;衍射;ALF3;VF3;

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1. Pressure-induced Fm(3)over-barm->R(3)over-bar phase transition in NaSbF6 [J] . Sowa H Acta Crystallographica, Section B. Structural Science . 1997,第1期

机译：NaSbF6中压力诱导的Fm（3）过量-> R（3）过量-相变
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Pressure-induced Fm(3)over-barm->R(3)over-bar phase transition in NaSbF6

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