Influence of film thickness on the molecular arrangement of copper phthalocyanine on hydrogen-terminated Si(111)

被引：14
|
作者：
Nakamura, M
Morita, Y
Tokumoto, H
机构：
[1] ELECTROTECH LAB, TSUKUBA, IBARAKI 305, JAPAN
[2] JOINT RES CTR ATOM TECHNOL, ANGSTROM TECHNOL PARTNERSHIP, TSUKUBA, IBARAKI 305, JAPAN
[3] NATL INST ADV INTERDISCIPLINARY RES, JOINT RES CTR ATOM TECHNOL, TSUKUBA, IBARAKI 305, JAPAN
来源：
APPLIED SURFACE SCIENCE | 1997年 / 113卷
关键词：
D O I：
10.1016/S0169-4332(96)00949-X
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 growth nature of copper phthalocyanine thin-film from a monolayer to 20 nm thickness on hydrogen-terminated flat Si(111) was studied with MBE-STM and other complementary techniques. The molecules were found to absorb randomly at 60 degrees C for surface coverages up to around one monolayer, but, form an ordered structure above a few monolayers. At higher temperature (greater than or equal to 140 degrees C), crystalline nuclei were observed from the very beginning of the growth and the remaining area was not fully covered by the molecules. These results suggest that the stacking of the molecules of more than a few monolayers is necessary to form an ordered two-dimensional lattice on this surface.
引用
收藏
页码：316 / 321
页数：6
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