DDFT calibration and investigation of an anisotropic phase-field crystal model

Details DDFT calibration and investigation of an anisotropic phase-field crystal model DDFT calibration and investigation of an anisotropic phase-field crystal model

2011-03-05

arxiv.org/abs/1103.1068v1

Physics

Condensed Matter

Materials Science

It contain 13 pages and total of 7 figures

Scientific paper

The anisotropic phase-field crystal model recently proposed and used by Prieler et al. [J. Phys.: Condens. Matter 21, 464110 (2009)] is derived from microscopic density functional theory for anisotropic particles with fixed orientation. Further its morphology diagram is explored. In particular we investigated the influence of anisotropy and undercooling on the process of nucleation and microstructure formation from atomic to the microscale. To that end numerical simulations were performed varying those dimensionless parameters which represent anisotropy and undercooling in our anisotropic phase-field crystal (APFC) model. The results from these numerical simulations are summarized in terms of a morphology diagram of the stable state phase. These stable phases are also investigated with respect to their kinetics and characteristic morphological features.

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