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

页码：233 / 236

页数：4

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