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Structural studies of KNiPO4 at high temperature

Published in Ferroelectrics. 1996, vol. 185, no. 1, p. 59-62
Abstract The structure of the high temperature phases of KNiPO<sub>4</sub> has been studied by X-ray powder diffraction and polarised light microscopy. This compound undergoes two phase transitions. At 486°C it undergoes an isomorphous first order phase transition where the Ni<sup>2+</sup> ions change their coordination from 5 to 4. At 581°C the crystals transform into a non-polar phase with space group Pnma.
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LUJAN PEREZ, Marcos Luis, RIVERA, Jean-Pierre, SCHMID, Hans. Structural studies of KNiPO4 at high temperature. In: Ferroelectrics, 1996, vol. 185, n° 1, p. 59-62. https://archive-ouverte.unige.ch/unige:81198

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Deposited on : 2016-03-02

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