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Domain growth in binary mixtures at low temperatures
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We have studied domain growth during spinodal decomposition at low temperatures. We have performed a numerical integration of the deterministic time-dependent Ginzburg-Landau equation with a variable, concentration-dependent diffusion coefficient. The form of the pair-correlation function and the structure function are independent of temperature but the dynamics is slower at low temperature. A crossover between interfacial diffusion and bulk diffusion mechanisms is observed in the behavior of the characteristic domain size. This effect is explained theoretically in terms of an equation of motion for the interface.
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LACASTA PALACIO, Ana María, et al. Domain growth in binary mixtures at low temperatures. Physical Review B. 1992. Vol. 45, num. 10, pags. 5276-5281. ISSN 0163-1829. [consulted: 6 of June of 2026]. Available at: https://hdl.handle.net/2445/9842