Scanning Tunnelling Microscopy Observation on 10,12-Tricosadiynoic Acid Monolayers Deposited by Schaefer’s Method

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	ZHANG Geng-Min

关键词 ： 85.65.+h, 07.79.Cz

Abstract： The Langmuir-Blodgett monolayers of 10,12-tricosadiynoic acid
molecules were deposited onto the basal plane of highly oriented
pyrolytic graphite (HOPG) by Schaefer’s method and then observed with the scanning tunnelling microscope (STM). With a view to achieving a parallel molecular arrangement on the graphite surface, the deposition was deliberately conducted at a relatively low surface pressure. As exhibited by the STM images, by this approach the 10,12-tricosadiynoic acid molecules could constitute an ordered structure with their molecular chains lying parallel to the substrate. The model of molecular dimer is put forward for the interpretation of the observed phenomena.

Key words： 85.65.+h 07.79.Cz

出版日期: 2001-01-01

:	85.65.+h	(Molecular electronic devices)
	07.79.Cz	(Scanning tunneling microscopes)

引用本文:

ZHANG Geng-Min . Scanning Tunnelling Microscopy Observation on 10,12-Tricosadiynoic Acid Monolayers Deposited by Schaefer’s Method [J]. 中国物理快报, 2001, 18(1): 137-139.
ZHANG Geng-Min . Scanning Tunnelling Microscopy Observation on 10,12-Tricosadiynoic Acid Monolayers Deposited by Schaefer’s Method . Chin. Phys. Lett., 2001, 18(1): 137-139.

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https://cpl.iphy.ac.cn/CN/ 或 https://cpl.iphy.ac.cn/CN/Y2001/V18/I1/137