Panchal, Vinod ; Garga, Nandini ; Chauhan, A. K. ; Sangeeta, ; Sharma, Surinder M. (2004) High pressure phase transitions in BaWO4 Solid State Communications, 130 (3-4). pp. 203-208. ISSN 0038-1098
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.ssc.2004.01.043
Abstract
Using in-situ angle dispersive X-ray diffraction, we have shown that barium tungstate, which exists in scheelite phase at ambient conditions, transforms to a new phase at ~7± 0.3 GPa. Analysis of our data based on Le Bail refinement suggests that this phase could be fergusonite and not HgMoO4 type, which was proposed earlier from the Raman investigations. Beyond ~14 GPa, this compound undergoes another phase transformation to a significantly disordered structure. Both the phase transitions are found to be reversible.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | D. Phase Transitions; E. High Pressure; E. X-ray |
| ID Code: | 81879 |
| Deposited On: | 08 Feb 2012 12:43 |
| Last Modified: | 08 Feb 2012 12:43 |
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