Abstract
A Monte-Carlo method is used to simulate the growth of the (111) surface of an fcc crystal on which the outcrop emerged of a twin lamella composed of a sequence of parallel stacking faults. The results are compared with that of the stacking fault mechanism and of the screw dislocation mechanism. It is found that the effectivity of the twin lamella mechanism is larger than that of the stacking fault mechanism, but is less that of the screw dislocation mechanism at low supersaturation.
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