Self-Assembly of TBrPP-Co Molecules on an Ag/Si(111) Surface Studied by Scanning Tunneling Microscopy

被引：2

作者：

Li Qing ^{[1
,2
]}

Yamazaki, Shiro ^{[2
]}

Eguchi, Toyoaki ^{[2
]}

Ma Xu-Cun ^{[1
]}

Jia Jin-Feng ^{[1
,3
]}

Xue Qi-Kun ^{[1
,3
]}

Hasegawa, Yukio ^{[2
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

[2] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

[3] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2010年 / 27卷 / 02期

关键词：

NETWORK; FILMS;

D O I：

10.1088/0256-307X/27/2/026801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Self-assembly of TBrPP-Co molecules on a Si(111)-root 3x root 3 Ag substrate is studied by low-temperature scanning tunneling microscopy. With the same adsorbed amount (0.07 ML), the molecules deposited by low-temperature evaporation show three kinds of ordered structures whereas those deposited by high-temperature evaporation have size-dependent ordered structures. The distinct differences in the self-assembly structures and in the electron density of states inside the molecule near the Fermi energy demonstrate that the Br atoms of the molecule desorb at the higher evaporation temperature.

引用

页数：4

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