Pressure-Induced Octahedral Rotation in RbMn[Fe(CN)6]

被引：14

作者：

Liu, XiaoJun ^{[2
]}

Moritomo, Yutaka ^{[1
]}

Matsuda, Tomoyuki ^{[1
]}

Kamioka, Hayato ^{[1
]}

Tokoro, Hiroko ^{[3
]}

Ohkoshi, Shin-ichi ^{[3
]}

机构：

[1] Univ Tsukuba, Dept Phys, Tsukuba, Ibaraki 3058571, Japan

[2] Nanjing Univ, Dept Elect Sci & Engn, Nanjing 210008, Peoples R China

[3] Univ Tokyo, Dept Chem, Tokyo 1130033, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2009年 / 78卷 / 01期

关键词：

octahedral rotation; high-pressure Raman spectroscopy; Prussian blue structure; RUBIDIUM MANGANESE HEXACYANOFERRATE; PHASE-TRANSITION; COMPLEXES; CRYSTAL; STATES;

D O I：

10.1143/JPSJ.78.013602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Hydrostatic pressure effect on Prussian blue type network in RbMn[Fe(CN)(6)] has been investigated by high-pressure vibrational spectroscopy. Frequencies of the CN stretching modes increase as pressure increases: dh omega/dP = 6.4 cm(-1)/GPa for A(1g) mode and 4.3 cm(-1)/GPa for E-g mode. With further increase of pressure beyond approximate to 2 GPa, slope of the h omega-P curve becomes fairly gradual. We ascribed the behavior to the in-plane rotation of FeC6/MnN6 octahedra, since it compensates the pressure-induced contraction in volume.

引用

页数：4

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