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Ferroelastic phase transition in CslO4

Al-Dhahir, TA and Raghurama, G and Bhat, HL (1988) Ferroelastic phase transition in CslO4. In: Phase Transitions: A Multinational Journal, 12 (3). pp. 205-214.

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Official URL: http://www.informaworld.com/smpp/content~db=all~co...

Abstract

An optical investigation of the high-temperature structural phase transition in gel-grown single crystals of CslO4 is reported. This crystal undergoes a phase transition from the room-temperature orthorhombic phase of symmetry Pnma to a tetragonal phase at 150°C. The birefringence Δn = |na-nb| falls abruptly at Tc, indicating the first-order nature of the phase transition. Microscopic examination has revealed the existence of ferroelastic domains in the crystal. The domain structure and its dependence on temperature was studied in detail. The experimental results suggest that this crystal can be assigned to the ferroelastic Aizu species 4/mmmFmmm (p).

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 17 Sep 2010 06:00
Last Modified: 17 Sep 2010 06:00
URI: http://eprints.iisc.ernet.in/id/eprint/32191

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