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

Mukherjee, Arnab ; Srinivas, Goundla ; Bhattacharyya, Sarika ; Bagchi, Biman (2001) Relaxation in binary mixtures: non-ideality, heterogeneity and re-entrance Proceedings of the Indian Academy of Sciences - Chemical Sciences, 113 (5-6). pp. 393-413. ISSN 0253-4134

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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 in terms of composition fluctuation, a study of which has also been presented in this paper.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Binary Mixtures; Non-ideality; Orientational Relaxation; Composition Fluctuation
ID Code:4189
Deposited On:18 Oct 2010 09:14
Last Modified:16 May 2016 14:52

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