Atomic Arrangement of Au(100) and Related Metal Overlayer Surface Structures. I
Atomic Arrangement of Au(100) and Related Metal Overlayer Surface Structures. I
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Au(100) 的原子排列和相关金属覆盖层表面结构。
DOI：
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发表时间：
1968
期刊：
影响因子：
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通讯作者：
T. Rhodin
中科院分区：
文献类型：
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作者：
P. Palmberg;T. Rhodin
通过对由Cu（100）和Pd（100）表面上的单层Au或Ag组成的简单覆盖层结构的分析，已经表明，当位于表面环境中时，Au原子具有异常的收缩趋势。Au表面层的原子间间距减小的这种强烈趋势与原子重排的Au（100）表面有关，该表面由叠加在基底原子的正方形阵列上的Au原子的六边形层组成。重排的驱动力被解释为Au的有效价态的原子环境的极端敏感性。它的结论是，这种解释的表面重排是一致的与其他独特的性质的金报告的结合能的分子在蒸汽中，和功能的能带结构。除了提供有关Au（100）表面结构的信息外，对金属覆盖层结构的研究表明，在Ag和Au（100）表面生长的早期阶段，
It has been shown, through analysis of simple overlayer structures consisting of a monolayer of Au or Ag on Cu(100) and Pd(100) surfaces, that Au atoms have an abnormal tendency to contract when positioned in a surface environment. This strong tendency for reduced interatomic spacing of Au surface layers is related to the atomically rearranged Au(100) surface, which consists of a hexagonal layer of Au atoms superimposed on a square array of substrate atoms. The driving force for rearrangement is interpreted in terms of the extreme sensitivity of the effective valency of Au to its atomistic environment. It is concluded that this interpretation of surface rearrangement is consistent with other unique properties of gold reported for binding energies of molecules in the vapor, and features of the band structure. In addition to providing information regarding the Au(100) surface structure, examination of metal overlayer structures has shown that pseudomorphism occurs during early growth stages of Ag and Au on ...