C60 adsorption on the Si(110)-(16x2) surface

被引：10
|
作者：
Ma, YR [1 ]
Moriarty, P [1 ]
Upward, MD [1 ]
Beton, PH [1 ]
机构：
[1] Univ Nottingham, Dept Phys, Nottingham NG7 2RD, England
来源：
SURFACE SCIENCE | 1998年 / 397卷 / 1-3期
基金：
英国工程与自然科学研究理事会;
关键词：
adsorption kinetics; coatings; fullerenes; scanning tunneling microscopy; silicon;
D O I：
10.1016/S0039-6028(97)00716-4
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The interaction of C-60 with the Si(110)-(16 x 2) surface has been studied using a scanning tunnelling microscope (STM). For a submonolayer coverage isolated C-60 molecules are observed with no evidence for a preferential adsorption site. As the coverage is increased. a disordered monolayer is observed and at still higher coverage disordered aggregates are observed which ripen into hexagonally ordered islands. These islands could be disrupted by the STM tip and were desorbed by annealing. Our results show that the interaction between the disordered layer and C,, islands is weak. However, the first monolayer is strongly bonded to the Si surface and forms a passivating layer which is stable to exposure to atmospheric. (C) 1998 Elsevier Science B.V.
引用
收藏
页码：421 / 425
页数：5
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