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Nucleation and decomposition in a metastable solid solution.
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A single nucleation process in 20x20x20/2 atoms computation cell. |
Multiple nucleation process in a 60x60x60/2 atoms computation cell |
Influence of noise on the spinodal decomposition in quasi-1D structure (nanowire)
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Starting from homogeneous state with an initial spike in the middle of the sample to start the decomposition.  |
Starting from homogeneous state with an initial random noise (amplitude is 0.1, ). |
Starting from homogeneous state with an initial random noise (amplitude is 0.5, ). |
Starting from homogeneous state with random (Langevin) noise . |
Starting from homogeneous state with random (Langevin) noise . |
Spinodal decomposition in a cubic cell
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Starting from homogeneous state with spike in the center of the cell . |
Starting from homogeneous state with spike in the center of the cell . (half of the cell is shown) |
Starting from homogeneous state with . (begging of the process) |
Starting from homogeneous state with . (longer and accelerated) |
Ordering in quasi-1D structure (nanowire)
Color is proportional to the composition. |
Interface sharpening
(about interface sharpening: SCIENCE, PRL, web)
Color is proportional to the composition. |
Visualization of the results by OVITO (http://www.ovito.org).
A. Stukowski, Visualization and analysis of atomistic simulation data with OVITO - the Open Visualization Tool, Modelling Simul. Mater. Sci. Eng. 18 (2010), 015012