We analyze the in-channel diffusion of dimers and longer n-adatom chains on Au and Pt (110) (1 x 2) surfaces by molecular dynamics simulations. From our calculations it arises that, on the missing-row reconstructed surface, a novel diffusion process, called leapfrog, dominates over concerted jumps, thus becoming the most frequent diffusion mechanism.
Montalenti, F., Ferrando, R. (1999). Leapfrog Diffusion Mechanism for One-Dimensional Chains on Missing-Row Reconstructed Surfaces. PHYSICAL REVIEW LETTERS, 82(7), 1498-1501 [10.1103/PhysRevLett.82.1498].
Leapfrog Diffusion Mechanism for One-Dimensional Chains on Missing-Row Reconstructed Surfaces
MONTALENTI, FRANCESCO CIMBRO MATTIA;
1999
Abstract
We analyze the in-channel diffusion of dimers and longer n-adatom chains on Au and Pt (110) (1 x 2) surfaces by molecular dynamics simulations. From our calculations it arises that, on the missing-row reconstructed surface, a novel diffusion process, called leapfrog, dominates over concerted jumps, thus becoming the most frequent diffusion mechanism.
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