Publikation: Angular dependence of the secondary electron emission crystal current : effects of surface modification
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1990
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Journal of vacuum science & technology. 1990, 8(2), pp. 797-799. ISSN 0734-2101. Available under: doi: 10.1116/1.576920
Zusammenfassung
The variation of the angle between the incident electron beam and sample surface contributes in two ways to the secondary electron emission from single crystals. These contributions are a monotonically varying background due to the changing number ofsecondaries produced near the surface, and an oscillatory component previously explained as a bulk effect related to Kikuchi patterns. This work shows that for emission from a Au(111) surface, the background can be described well by a simple model based on the semiempirical theory of Kanaya and Kawakatsu. It also provides additional support for the explanation of the oscillations as a bulk effect by showing that the oscillation amplitude remains essentially unchanged either by surface sputtering or by the deposition of a thin lead layer. The presence of these oscillations requires some care ill the use of the secondary electron crystal current as a measure of the thickness of thin metal films.
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530 Physik
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PEETERS, Frank, E. R. PUCKRIN, Alan J. SLAVIN, 1990. Angular dependence of the secondary electron emission crystal current : effects of surface modification. In: Journal of vacuum science & technology. 1990, 8(2), pp. 797-799. ISSN 0734-2101. Available under: doi: 10.1116/1.576920BibTex
@article{Peeters1990Angul-7416,
year={1990},
doi={10.1116/1.576920},
title={Angular dependence of the secondary electron emission crystal current : effects of surface modification},
number={2},
volume={8},
issn={0734-2101},
journal={Journal of vacuum science & technology},
pages={797--799},
author={Peeters, Frank and Puckrin, E. R. and Slavin, Alan J.}
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<dcterms:abstract xml:lang="eng">The variation of the angle between the incident electron beam and sample surface contributes in two ways to the secondary electron emission from single crystals. These contributions are a monotonically varying background due to the changing number ofsecondaries produced near the surface, and an oscillatory component previously explained as a bulk effect related to Kikuchi patterns. This work shows that for emission from a Au(111) surface, the background can be described well by a simple model based on the semiempirical theory of Kanaya and Kawakatsu. It also provides additional support for the explanation of the oscillations as a bulk effect by showing that the oscillation amplitude remains essentially unchanged either by surface sputtering or by the deposition of a thin lead layer. The presence of these oscillations requires some care ill the use of the secondary electron crystal current as a measure of the thickness of thin metal films.</dcterms:abstract>
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