[en] Potassium hexafluorophosphate KPF6 has been investigated by X-ray powder diffraction, calorimetry and Brillouin spectroscopy. With decreasing temperature, the crystal shows a sequence of phases: NaCl-type cubic-monoclinic-monoclinic with two-phase coexistence regions in between. In the cubic phase the elastic constants have been determined. c44 and c12 show a slight softening.
Disciplines :
Materials science & engineering Physics
Identifiers :
UNILU:UL-ARTICLE-2009-116
Author, co-author :
Huber, P.; Fachbereich Physik, Universität des Saarlandes, Saarbrücken, Germany
Krummeck, H.
BALLER, Jörg ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
KRÜGER, Jan-Kristian ; University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Knorr, K.
Haussuhl, S.; Institut für Kristallographie, Universität zu Köln, Köln, Germany
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