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Surface Excitation Effects in Electron Spectroscopy by G Gergely; M Menyhard; S Gurban; A Sulyok; J Toth; D Varga; S Tougaard is a Materials Science article available to read on EtoBox.

What is Surface Excitation Effects in Electron Spectroscopy about?

Analysis for surface chemistry uses electron spectroscopy: AES, XPS and REELS. The excitation and electron emission processes are affected by the competitive surface excitation. Impinging and escaping electrons suffer losses in the solid surface region, producing surface plasmons. The surface excitation is characterized by the surface excitation parameter P . se A new experimental procedure is described for the determination of P . It is based on REELS-EPES, using the elastic peak se as reference. The procedure is valid for materials having surface and volume plasmon loss peaks, like Si, In, and Sb. It can be applied for estimating P on materials exhibiting a surface loss peak decreasing with energy, like Ag. The ratio of the se integrated surface and volume loss peaks is composed and compared with the elastic peak. Experimental results in the E s 0.2-5 keV energy range are presented for several solids.

Who reads Surface Excitation Effects in Electron Spectroscopy?

Author

G Gergely; M Menyhard; S Gurban; A Sulyok; J Toth; D Varga; S Tougaard

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0167-2738)

Published

2001

Language

EN

Field

Materials Science (Physical Sciences)