We study the diffusion of adatoms on Au(110) by molecular dynamics simulations. The (1 x 1) and the missin-grow (2 x 1) geometries are considered. In both geometries the diffusion is strong;y anisotropic, because the energy barriers for cross-channel mobility are higher than the barriers for in-channel diffusion. In the (2 x 1) geometry, the adatom may diffuse not only by jumping on a straight line along the [1 (1) over bar 0] direction, but also by a random walk among the metastable sites on the (111) facets of the channel.
Montalenti, F., Ferrando, R. (1999). An MD study of adatom self-diffusion on Au(110) surfaces. SURFACE SCIENCE, 433-435, 445-448 [10.1016/S0039-6028(99)00633-0].
An MD study of adatom self-diffusion on Au(110) surfaces
MONTALENTI, FRANCESCO CIMBRO MATTIA;
1999
Abstract
We study the diffusion of adatoms on Au(110) by molecular dynamics simulations. The (1 x 1) and the missin-grow (2 x 1) geometries are considered. In both geometries the diffusion is strong;y anisotropic, because the energy barriers for cross-channel mobility are higher than the barriers for in-channel diffusion. In the (2 x 1) geometry, the adatom may diffuse not only by jumping on a straight line along the [1 (1) over bar 0] direction, but also by a random walk among the metastable sites on the (111) facets of the channel.
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