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Crystal growth, room temperature crystal structure and phase transitions of KMnPO4

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Published in Zeitschrift für Naturforschung. B. 1995, vol. 50, no. 8, p. 1210-1214
Abstract Single crystals of KMnPO4 grown in a KCl flux show ferroelastic domains. The structure was detd. on an optically controlled single domain crystal by x-ray diffraction methods. The cell is triclinic with dimensions a 5.4813(5), b 8.627(1), c 8.887(1) .ANG., a 87.73(1), b 89.10(1), g 88.01(1) Deg, VM = 419.6(1) .ANG.3 and Z = 4. The structure is closely related to the stuffed b-tridymite type. DTA expts. between room temp. and 1000 Deg and polarized light microscopy observations showed four phase transitions: at 165, 330, 353 and 707 Deg.
Keywords Crystal structureFerroelasticity (of potassium manganese phosphate) crystal structure potassium manganese phosphateFerroelasticity potassium manganese phosphatePhase transition potassium manganese phosphate
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Project FNS: 1994
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LUJAN PEREZ, Marcos Luis, KUBEL, Frank, SCHMID, Hans. Crystal growth, room temperature crystal structure and phase transitions of KMnPO4. In: Zeitschrift für Naturforschung. B, 1995, vol. 50, n° 8, p. 1210-1214. https://archive-ouverte.unige.ch/unige:31201

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Deposited on : 2013-11-20

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