Raman and X-ray diffraction investigations on BaMoO4 under high pressures

Panchal, Vinod ; Garg, Nandini ; Sharma, Surinder M. (2006) Raman and X-ray diffraction investigations on BaMoO4 under high pressures Journal of Physics: Condensed Matter, 18 (16). p. 3917. ISSN 0953-8984

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Official URL: http://iopscience.iop.org/0953-8984/18/16/002

Related URL: http://dx.doi.org/10.1088/0953-8984/18/16/002

Abstract

X-ray diffraction and Raman scattering studies on the scheelite structured barium molybdate show that, at ~5.8 GPa, it undergoes a first order phase transition to the fergusonite structure (I 2/a,Z=4)-as also observed in iso-structural barium tungstate. At still higher pressures, barium molybdate transforms to another phase between ~7.2 and 9.5 GPa. On release of pressure from 15.8 GPa, the initial phase is recovered, implying that the observed structural modifications are reversible.

Item Type:Article
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Deposited On:13 Jul 2011 14:28
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