MOLECULAR IMAGING OF ORDERED AND DISORDERED NAPHTHALENE ON PT(111)

被引：24

作者：

HALLMARK, VM

CHIANG, S

WOLL, C

机构：

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 1991年 / 9卷 / 02期

关键词：

D O I：

10.1116/1.585227

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Scanning tunneling microscopy (STM) has been used to examine the adsorption system of naphthalene on Pt(111). The images show molecules in three discrete rotational orientations, 120-degrees apart. Images of an ordered naphthalene monolayer show molecules on a (3 x 3) Pt lattice, with internal domain structure which exhibits pseudo-(6 x 3) symmetry. Low coverage naphthalene forms a disordered layer uniformly distributed over the surface, with evidence for molecular rotations and translations between subsequent STM images. Images of cleaned Pt(111) without molecules show the interaction of carbon islands on the surface with Pt step edges.

引用

页码：1111 / 1114

页数：4

共 12 条

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