High-pressure behaviour of KMF₃ perovskites

Aguado, F. and Capmas, F. and Hirai, S. and Walsh, J. N. and Lennie, A. and Redfern, S. A. T. (2008) High-pressure behaviour of KMF₃ perovskites. High Pressure Research: An International Journal, 28 (4). 539 - 544. DOI 10.1080/08957950802576464

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Abstract

The structural stability of cubic KMF3 (M: Mg, Zn, Co, Ni) perovskites has been studied by powder X-ray diffraction under pressure. Neither superlattice reflections nor peak splitting associated to a phase transition were detected in the 0-10 GPa pressure range. Furthermore, KMgF3 showed no structural changes up to 50 GPa. The results were compared with previous reports on isostructural KMnF3. Tolerance factor and site parameters ratio have been analysed as high-pressure stability indexes for this family of perovskites.

Item Type:	Article
Uncontrolled Keywords:	08AREP; IA57;
Subjects:	03 - Mineral Sciences
Divisions:	03 - Mineral Sciences
Journal or Publication Title:	High Pressure Research: An International Journal
Volume:	28
Page Range:	539 - 544
Identification Number:	10.1080/08957950802576464
Depositing User:	Sarah Humbert
Date Deposited:	29 May 2009 16:24
Last Modified:	23 Jul 2013 09:55
URI:	http://eprints.esc.cam.ac.uk/id/eprint/1033

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