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. 2014 Oct 6;4:6529. doi: 10.1038/srep06529

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(a)–(d) Snapshots of the crystallization process (at T = 585 K) at 0, 60, 120 and 170 ps and corresponding Q^dot₄ profiles. Ag, In, Sb and Te atoms are rendered with blue, red, yellow and green spheres respectively. Q^dot₄ is averaged both over the atoms within each slab and over time (0.6 ps). (e) Snapshot at the initial stage of crystallization and corresponding Q^dot₄ profile (f), atomic population profile (g) and diffusivity D_x profile (h). The atomic population is obtained by computing the total number of atoms in each slab, averaged over 0.6 ps. The profile of D_x is derived from the mean-square displacements in x-direction, which are calculated by averaging over the atoms in each slab and over time (30 ps).