NEW HIGH-PRESSURE PHASE AND LOCAL DISTORTION OF PO4 IN RBH2PO4

被引：2
|
作者：
AGUI, A
TOMINAGA, Y
TAKENAKA, I
ENDO, S
KOBAYASHI, M
机构：
[1] OSAKA UNIV,EXTREME MAT RES CTR,TOYONAKA,OSAKA 560,JAPAN
[2] OSAKA UNIV,FAC ENGN SCI,DEPT MAT PHYS,TOYONAKA,OSAKA 560,JAPAN
来源：
SOLID STATE COMMUNICATIONS | 1993年 / 87卷 / 03期
关键词：
D O I：
10.1016/0038-1098(93)90482-3
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
High pressure Raman scattering experiments and X-ray diffraction measurements of RbH2PO4 have been performed with a diamond anvil cell. The v4 internal mode of PO4 tetrahedron in X(ZZ)-X Raman scattering spectra disappears above 2.5 GPa. Above 4.5 GPa a new high pressure phase appears where both v3 and v4 modes reappear and the v4 modes split into two peaks. This high pressure phase was also confirmed by X-ray diffraction.
引用
收藏
页码：233 / 236
页数：4
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