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Raman scattering investigation of the phase transitions in (NH4)2ZnBr4

Moorthy, AGK and Chandrasekhar, P and Bhatnagar, AK (1984) Raman scattering investigation of the phase transitions in (NH4)2ZnBr4. In: Ferroelectrics Letters Section, 3 (1). pp. 9-13.

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Abstract

Results of Raman spectroscopic studies of (NH4)2ZnBr4 crystal in the spectral range from 20-250 cm-1 and over a range of temperature from 90K to 440K covering the low temperature ferroelectric and high temperature incommensurate phases are presented. The plots of the integrated areas and peak heights of the strong Raman lines versus temperature show anomalous behaviour near the two phase transitions.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Taylore and Francis.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 07 Feb 2010 10:36
Last Modified: 07 Feb 2010 10:36
URI: http://eprints.iisc.ernet.in/id/eprint/20324

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