Adsorbed organic monolayers on crystalline substrate:: the example of 8CB on MoS2

被引:6
|
作者
Lacaze, E
Alba, M
Goldmann, M
Michel, JP
Rieutord, F
机构
[1] Univ Paris 07, Grp Phys Solides, UMR CNRS 7588, F-75251 Paris, France
[2] Univ Paris 06, Grp Phys Solides, UMR CNRS 7588, F-75251 Paris, France
[3] CE Saclay, SPEC, DRECAM, F-91191 Gif Sur Yvette, France
[4] Univ Paris Sud, LURE, F-91405 Orsay, France
[5] Univ Paris 5, GRPB, Paris 6, France
[6] CEA, DRFMC, S13M, MCI, F-38054 Grenoble 9, France
关键词
scanning tunneling microscoping; molybdenum disulphide; Debye-Waller coefficients;
D O I
10.1016/S0169-4332(01)00084-8
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
We show in this paper how the combination of scanning tunneling microscopy (STM) and X-ray diffraction under grazing incidence (GIXD) is fruitful for the study of ordered interfaces between thick organic films and crystals. In the case of 4-8-alkyl-4 ' -cyanobiphenyl (8CB) on molybdenum disulphide (MoS2), the commensurability of the adsorbed network has been determined, as well as the intracrystallographic cell structure. This latter one evidences the fine structure of the network characterized by the formation of pair associations in one lamella over two, which reflects the influence of microscopical interactions on the adsorbed structure. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:337 / 343
页数:7
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