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Relaxation in binary mixtures: Non-ideality, heterogeneity and re-entrance

Mukherjee, Arnab and Srinivas, Goundla and Bhattacharyya, Sarika and Bagchi, Biman (2001) Relaxation in binary mixtures: Non-ideality, heterogeneity and re-entrance. In: Proceedings of the Indian Academy of Sciences Chemical Sciences, 113 (5). pp. 393-413.


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Binary mixtures show many kinds of fascinating dynamical behaviour which has eluded microscopic description till very recently. In this work we show that much of the anomalous behaviour can be explained by building suitable models and carrying out theoretical and simulation studies. Specifically, three well-known problems have been addressed here. (a) Non- ideality in composition dependence of viscosity, (b) re-entrant behaviour of orientational relaxation, and (c) heterogeneity in supercooled binary mixtures. The physical origin of the dynamical behaviour of binary mixtures can be understood ir, terms of composition fluctuation, a study of which has also been presented in this paper.

Item Type: Journal Article
Additional Information: The copyright of this article belongs to Indian Academy of Sciences.
Keywords: Binary mixtures;non-ideality;orientational relaxation;composition fluctuation
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Ravi V Nandhan
Date Deposited: 09 Sep 2004
Last Modified: 19 Sep 2010 04:16
URI: http://eprints.iisc.ac.in/id/eprint/1840

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