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High-pressure Raman study of MgV2O6 synthesized at high pressure and high temperature |
Tang Rui-Lian (唐瑞莲)a, Li Yan (李岩)a b, Tao Qiang (陶强)a, Li Na-Na (李娜娜)a, Li Hui (李会)a, Han Dan-Dan (韩丹丹)a, Zhu Pin-Wen (朱品文)a, Wang Xin (王欣)a |
a State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China; b College of Physics, Jilin University, Changchun 130012, China |
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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 Rietveld analysis of X-ray powder diffraction data, showing space group Pbcn (No. 60) symmetry and a=13.6113(6) Å (1 Å=0.1 nm), b=5.5809(1) Å, c=4.8566(3) Å, V=368.93(2) Å3 (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.
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Received: 20 October 2012
Revised: 06 January 2013
Accepted manuscript online:
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PACS:
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62.50.-p
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(High-pressure effects in solids and liquids)
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78.30.-j
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(Infrared and Raman spectra)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 51172091) and the Program for New Century Excellent Talents in University. |
Corresponding Authors:
Wang Xin
E-mail: xin_wang@jlu.edu.cn
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Cite this article:
Tang Rui-Lian (唐瑞莲), Li Yan (李岩), Tao Qiang (陶强), Li Na-Na (李娜娜), Li Hui (李会), Han Dan-Dan (韩丹丹), Zhu Pin-Wen (朱品文), Wang Xin (王欣) High-pressure Raman study of MgV2O6 synthesized at high pressure and high temperature 2013 Chin. Phys. B 22 066202
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