Please use this identifier to cite or link to this item: https://doi.org/10.1088/1742-6596/28/1/022
Title: Phase transition mechanism in KIO3 single crystals
Authors: Liu, L. 
Wu, R.Q. 
Ni, Z.H.
Shen, Z.X. 
Feng, Y.P. 
Issue Date: 1-Jan-2006
Citation: Liu, L., Wu, R.Q., Ni, Z.H., Shen, Z.X., Feng, Y.P. (2006-01-01). Phase transition mechanism in KIO3 single crystals. Journal of Physics: Conference Series 28 (1) : 105-109. ScholarBank@NUS Repository. https://doi.org/10.1088/1742-6596/28/1/022
Abstract: Detailed polarized Raman study was performed on KIO3 single crystals over 78.5-553K, which show a strong central component in the high temperature phase I and two soft modes S1 and S2 related to the phase transitions I-II and II-III respectively. The phonon dispersion of KIO3 in phase I was calculated, utilizing density functional perturbation theory (DFPT) and local density approximation (LDA). The KIO 3 single crystals were ascribed to improper ferroelectrics with the phase transition series from rhombohedral phase I, to monoclinic phase II, to triclinic phase III, and phase IV. © 2006 IOP Publishing Ltd.
Source Title: Journal of Physics: Conference Series
URI: http://scholarbank.nus.edu.sg/handle/10635/97520
ISSN: 17426588
DOI: 10.1088/1742-6596/28/1/022
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