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

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)A (1A =0.1 nm), b = 5.5809(1)A, c = 4.856...

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Published in中国物理B:英文版 no. 6; pp. 472 - 474
Main Author 唐瑞莲 李岩 陶强 李娜娜 李会 韩丹丹 朱品文 王欣
Format Journal Article
LanguageEnglish
Published 01.06.2013
Online AccessGet full text
ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/22/6/066202

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Abstract 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)A (1A =0.1 nm), b = 5.5809(1)A, c = 4.8566(3)A, V = 368.93(2)A3 (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.
AbstractList 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)A (1A =0.1 nm), b = 5.5809(1)A, c = 4.8566(3)A, V = 368.93(2)A3 (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.
Author 唐瑞莲 李岩 陶强 李娜娜 李会 韩丹丹 朱品文 王欣
AuthorAffiliation State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China College of Physics, Jilin University, Changchun 130012, China
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Notes 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)A (1A =0.1 nm), b = 5.5809(1)A, c = 4.8566(3)A, V = 368.93(2)A3 (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.
11-5639/O4
high-pressure and high-temperature, MgV2O6, Raman spectroscopy, high-pressure
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Snippet 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...
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Title High-pressure Raman study of MgV2O6 synthesized at high pressure and high temperature
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