Meenakshi, S. ; Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. (2001) Synchrotron-based x-ray-diffraction study of the intermediate-high-pressure phase in the alloy In0.25Sn0.75 Physical Review B, 64 (21). 212104_1-212104_4. ISSN 0163-1829
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Official URL: http://prb.aps.org/abstract/PRB/v64/i21/e212104
Related URL: http://dx.doi.org/10.1103/PhysRevB.64.212104
Abstract
In0.25Sn0.75 alloy stabilized in the primitive hexagonal phase at ambient conditions is studied in a diamond anvil cell at high pressures with angle-dispersive x-ray diffraction using the synchrotron radiation at ELETTRA. The ambient primitive hexagonal phase was found to undergo a reversible transformation to a mixture of body-centered-tetragonal and hexagonal-close-packed phases above 11.6 GPa and not to the Cmca structure assigned in Si and Ge. The occurrence of the bct phase shows similarity to the high-pressure behavior of Sn. A transformation mechanism from the ph to hcp phase via the bct structure is also described.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 11651 |
| Deposited On: | 13 Nov 2010 14:06 |
| Last Modified: | 02 Jun 2011 09:21 |
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