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Succession of stacking disorder in hard-sphere crystal under gravity by Monte Carlo simulation by Atsushi Mori; Yoshihisa Suzuki; Shin-ichiro Yanagiya is a Engineering article available to read on EtoBox.

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We have performed Monte Carlo simulations of hard spheres under gravity. Vertical boundaries are hard walls, which are well separated with each other. On the other hand, the periodic boundary condition is imposed in the horizontal direction. While we previously reported enhancement of crystallinity as well as crystallization due to gravity, we present here the results that demonstrate the succession of a defect. In case that the crystal formed at the bottom of the system includes kinds of stacking disorders for the (0 0 1) growth, twin band structure develops as mediated by a stacking disorder succeeded in the crystal formed in the fluid region which lies on the bottom crystal. In case that the stacking structure along horizontal direction changes from the (1 1 1) stacking to the (0 0 1) stacking, twin band structure in the (0 0 1) stacking region develops as succeeded in the crystal transformed. The twin band structure also becomes large with its upward growth.

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Author

Atsushi Mori; Yoshihisa Suzuki; Shin-ichiro Yanagiya

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0378-3812)

Published

2007

Language

EN

Field

Engineering (Physical Sciences)