Concentration effects in mesoscopic simulation of coarsening

Authors:
David J. Horntrop
Affiliations:
Department of Mathematical Sciences, New Jersey Institute of Technology, Cullimore Hall, University Heights, Newark, NJ 07102, United States
Venue:
Mathematics and Computers in Simulation
Year:
2010

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Abstract

The self-organization of particles in a two-phase system in the coexistence region through a diffusive mechanism is known as Ostwald ripening. A mesoscopic model derived from the spin exchange Ising model is used here in a computational study of Ostwald ripening. The typical cluster size is observed to grow like Lifshitz-Slyozov growth law over an early range of times with faster growth at later times. The effect of changing the concentration of particles on the morphological evolution of the system is also discussed.