SURFACE-TOPOGRAPHY OF PYROLYTIC-GRAPHITE

被引：2
|
作者：
ROOSENBRAND, AG
VANBECKHOVEN, MWC
BRONGERSMA, HH
机构：
[1] Department of Physics, Eindhoven University of Technology, 5600 MB Eindhoven
来源：
APPLIED SURFACE SCIENCE | 1990年 / 44卷 / 02期
关键词：
D O I：
10.1016/0169-4332(90)90098-K
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：
Measurements on highly oriented pyrolytic graphite (HOPG) have been performed with a high-resolution spot profile low-energy electron diffraction system (SPA-LEED). It is demonstrated that HOPG samples show a wide spread in out-of-plane orientations of the crystallites at the surface. This may cause asymmetric features in scanning tunneling microscope images. These misorientations and not the crystallite sizes determine the widths of the observed diffraction rings. The results of SPA-LEED and STM are found to be complementary. © 1990.
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页码：121 / 125
页数：5
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