Surface topography of pyrolytic graphite

A.G. Roosenbrand; M.W.C. van Beckhoven; H.H. Brongersma

doi:10.1016/0169-4332(90)90098-K

Surface topography of pyrolytic graphite

A.G. Roosenbrand, M.W.C. van Beckhoven, H.H. Brongersma

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

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.

Original language	English
Pages (from-to)	121-125
Number of pages	5
Journal	Applied Surface Science
Volume	44
Issue number	2
DOIs	https://doi.org/10.1016/0169-4332(90)90098-K
Publication status	Published - Apr 1990

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Copyright 2014 Elsevier B.V., All rights reserved.

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abstract = "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.",

author = "A.G. Roosenbrand and {van Beckhoven}, M.W.C. and H.H. Brongersma",

year = "1990",

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AU - Brongersma, H.H.

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AB - 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.

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Surface topography of pyrolytic graphite

Abstract

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