Heterodiffusion of Ag adatoms on imperfect Au(1 1 0) surfaces

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• 作者：E. El koraychy^a ; K. Sbiaai^b ; ^c ; M. Mazroui^a ; ^{mazroui.m@gmail.com} ; R. Ferrando^d ; ^{ferrando@fisica.unige.it} ; Y. Boughaleb^a ; ^c
• 关键词：Atomistic dynamics ; Diffusion ; Gold ; Silver ; Low-index surfaces ; Steps ; Kinks ; Metallic surfaces
• 刊名：Chemical Physics Letters
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：669
• 期：Complete
• 页码：150-155
• 全文大小：1124 K
• 卷排序：669

文摘

Diffusion of Ag on Au(1 1 0) is strongly anisotropic. Cross-channel diffusion occurs by exchange, which implies terrace incorporation of Ag. Interlayer mobility is much easier at kinks than at straight steps.