Puri, Sanjay ; Binder, Kurt (1991) Phenomenological theory for the formation of interfaces via the interdiffusion of layers Physical Review B, 44 (17). pp. 9735-9738. ISSN 0163-1829
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Official URL: http://prb.aps.org/abstract/PRB/v44/i17/p9735_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.44.9735
Cahn-Hilliard theory is applied to the situation where a film rich in species A is brought on top of a film rich in species B, assuming that the binary phase diagram of the two species exhibits a miscibility gap. If the two films have concentrations exactly according to the coexistence curve, the initially sharp interface broadens with time (t) according to a t¼ law and then exponentially saturates out to its equilibrium value. If the initial concentrations of the films exceed the coexistence-curve concentrations, the t¼ law holds only initially and the late stages of the broadening of the interface follow a t½ law. Recent experiments are discussed in terms of these predictions.
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|Deposited On:||17 Mar 2011 16:31|
|Last Modified:||17 Mar 2011 16:31|
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