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L. McDonnell

Researcher at University of Warwick

Publications -  9
Citations -  352

L. McDonnell is an academic researcher from University of Warwick. The author has contributed to research in topics: Auger electron spectroscopy & Auger effect. The author has an hindex of 8, co-authored 9 publications receiving 352 citations.

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Angular dependence of auger electron emission from Cu (111) and (100) surfaces

TL;DR: A simple single scattering theory to account for elastic scattering of the Auger electrons by other ion cores in the solid is presented, and calculations have been performed to assess the importance of this process in contributing to the observed angular dependence.
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Temperature dependent peaks in secondary electron emission spectra

TL;DR: In this paper, the authors observed that secondary emission spectra not associated with Auger effects are suppressed at elevated temperature and appear to have amplitudes which are unique functions of temperature.
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A LEED study of oxygen adsorption on copper (100) and (111) surfaces

TL;DR: In this article, a detailed study has been made of the room temperature adsorption of oxygen on copper (100) and (111) surfaces using LEED and Auger electron spectroscopy, but with particular emphasis on LEED intensity measurements.
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Angular dependence of Auger electron emission from a single crystal specimen

TL;DR: In this article, an experimental study of the angular dependence of Auger electron emission from the (111) surface of a single crystal of copper has shown marked crystallographic effects, using a LEED/AES system incorporating an energy analyzing Faraday cup.
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Constant momentum transfer averaging in LEED; analysis of a structure of oxygen on Cu (100)

TL;DR: The constant momentum transfer scheme for averaging LEED intensities has been applied to data from the (√2 × √2) R 45° oxygen on Cu(100) surface in an attempt to determine the surface structure as discussed by the authors.