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Optical and dielectric studies on ferroelectric oxyfluoride K3MoO3F3 single crystals

Ravez, Jean
Chaminade, J. P.
Published in Ferroelectrics. 1991, vol. 124, no. 1-4, p. 281-286
Abstract Ferroelec. oxyfluoride K3MoO3F3 single crystals prepd. by the Bridgman method were studied by means of polarized light microscopy and dielec. measurements. Anal. of the ferroelastic domains indicate a first order phase transition at TC = 528 K from a ferroic phase to a cubic (m.hivin.3m) one. Domain structures are consistent with a trigonal symmetry below TC. Continuous measurements of the temp. dependence of birefringence and dielec. permittivity between 300 and 600 K led to the disclosure of an addnl. phase transition of 1st-order at T1 = 453 K.
Keywords BirefringenceDielectric constant and dispersionFerroelectric domainThermodielectric effectThermooptical effectFluoride oxide potassium molybdenum birefringence dielec
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YE, Zuo-Guang et al. Optical and dielectric studies on ferroelectric oxyfluoride K3MoO3F3 single crystals. In: Ferroelectrics, 1991, vol. 124, n° 1-4, p. 281-286. https://archive-ouverte.unige.ch/unige:31437

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Deposited on : 2013-11-27

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