Dimers diffusion on (110) (1 x 2) metal surfaces

作者：Montalenti F^*; Ferrando R

来源：Surface Science, 1999, 432(1-2): 27-36.

DOI：10.1016/S0039-6028(99)00496-3

• computer simulations
• copper
• diffusion and migration
• gold
• metallic surfaces
• molecular dynamics
• surface diffusion

We study by molecular dynamics Au-2, Cu-2 and AuCu dimers diffusion on the Au(110)(1 x 2) missing-row reconstructed surface. For all these dimers, we found two different diffusion mechanisms: concerted jump and leapfrog. The energy barriers of such mechanisms are investigated and compared with the dimers dissociation barriers. Each of the three dimers exhibits a qualitatively different behavior.

• 出版日期1999-7-9