Elemental structure in Si(110)-"16x2" revealed by scanning tunneling microscopy

被引：107

作者：

An, T ^{[1
]}

Yoshimura, M ^{[1
]}

Ono, I ^{[1
]}

Ueda, K ^{[1
]}

机构：

[1] Toyota Technol Inst, Tempaku Ku, Nagoya, Aichi 4688511, Japan

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.61.3006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Atomic structures of the clean Si(110)-"16x2" surface are studied by scanning tunneling microscopy (STM). High-resolution STM images reveal that the elemental structure in the "16x2" is a pair of pentagons. In the empty-states images the elemental structure is clearly resolved in ten protrusions, while in eight in the filled-states images. In order to clarify the atomic arrangement of the pentagons, we pay attention to the disordered area where the elemental structures are isolated on the bulk-terminated surface. The bulk-terminated surface structure, on which the pentagons are located, is well understood by the rotational-relaxation structural model. In consideration of the registry of the pentagon for the rotational-relaxation structure, a "tetramer-interstitial'' model is proposed for the elemental structure, together with three other possible structural models.

引用

页码：3006 / 3011

页数：6

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