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Kinetically driven ordering in phase separating alloys
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DOI：10.1103/PhysRevMaterials.3.095601.png)
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Abstract
En 中文
It is shown that in substitutional alloys, peculiar ordered patterns can result from neighborhood-dependent diffusion activation barriers even when there are no metastable ordered phases. Lattice gases with pure phase separation character are shown to exhibit transient ordered structures that can be retained almost indefinitely, although these structures are not at thermodynamic equilibrium. It is shown that such structures can come about relatively easily by quenching from the high-temperature configurationally random solid solution.
Keywords:
MONTE-CARLO
METASTABLE PHASE
BINARY-ALLOYS
SI
1ST-PRINCIPLES
STABILITY
TRANSIENT
THERMODYNAMICS
PRECIPITATION
DIFFUSION
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