Control of structure formation in phase-separating systems

Singh, A. ; Mukherjee, A. ; Vermeulen, H. M. ; Barkema, G. T. ; Puri, S. (2011) Control of structure formation in phase-separating systems Journal of Physical Chemistry, 134 (4). 044910_1-044910_8. ISSN 0022-3654

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Abstract

In this paper, we study the evolution of phase-separating binary mixtures which are subjected to alternate cooling and heating cycles. An initially homogeneous mixture is rapidly quenched to a temperature T1<Tc, where Tc is the critical temperature. The mixture undergoes phase separation for a while and is then suddenly heated to a temperature T2>Tc. These cycles are repeated to create a domain morphology with multiple length scales, i.e., the structure factor is characterized by multiple peaks. For phase separation in d = 2 systems, we present numerical and analytical results for the emergence and growth of this multiple-scale morphology.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:77200
Deposited On:10 Jan 2012 11:35
Last Modified:10 Jan 2012 11:35

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