High-pressure Raman study of MgV2O6 synthesized at high pressure and high temperature

被引：11

作者：

Tang Rui-Lian ^{[1
]}

Li Yan ^{[1
,2
]}

Tao Qiang ^{[1
]}

Li Na-Na ^{[1
]}

Li Hui ^{[1
]}

Han Dan-Dan ^{[1
]}

Zhu Pin-Wen ^{[1
]}

Wang Xin ^{[1
]}

机构：

[1] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China

[2] Jilin Univ, Coll Phys, Changchun 130012, Peoples R China

来源：

CHINESE PHYSICS B | 2013年 / 22卷 / 06期

基金：

中国国家自然科学基金;

关键词：

high-pressure and high-temperature; MgV2O6; Raman spectroscopy; high-pressure; NORMAL-COORDINATE ANALYSIS; VANADIUM-OXIDE; ZNV2O6; MNV2O6; CUV2O6;

D O I：

10.1088/1674-1056/22/6/066202

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new structural phase of MgV2O6 was obtained by a high-pressure, high-temperature (HPHT) synthesis method. The new phase was investigated by the Rietveld analysis of X-ray powder diffraction data, showing space group Pbcn (No. 60) symmetry and a = 13.6113(6) angstrom (1 angstrom = 0.1 nm), b = 5.5809(1) angstrom, c = 4.8566(3) angstrom, V = 368.93(2) angstrom(3) (Z = 4). High pressure behavior was studied by Raman spectroscopy at room temperature. Under 22.5 GPa, there was no sign of a structural phase transition in the spectra, demonstrating stability of the HPHT phase up to the highest pressure.

引用

页数：3

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