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Powder X-ray diffraction study of the rhombohedral to cubic phase transition in TiF3 |
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| Authors: | Brendan J. Kennedy Thomas Vogt |
| Affiliation: | a Centre for Heavy Metals Research, School of Chemistry, University of Sydney, 2006 Sydney, NSW, Australia b Physics Department, Brookhaven National Laboratory, Upton, NY 11973-5000, USA |
| Abstract: | Synchrotron powder diffraction has been used to examine the crystal structure of the TiF3 between 20 and 450 K with emphasis on the cubic to rhombohedral structural phase transition near 370 K. This transition involves an apparently continuous reduction in the tilts of the TiF6 octahedra. A remarkable difference in the thermal expansion coefficients in the two phases is observed. |
| Keywords: | A. Fluorides C. X-ray diffraction D. Phase transitions |
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