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|Title:||Phase transition mechanism in KIO3 single crystals||Authors:||Liu, L.
|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|
|Appears in Collections:||Staff Publications|
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