Surface oxidation of cadmium, indium, tin and antimony by photoelectron and auger spectroscopy

Sen, P. ; Hegde, M. S. ; Rao, C. N. R. (1982) Surface oxidation of cadmium, indium, tin and antimony by photoelectron and auger spectroscopy Applications of Surface Science, 10 (1). pp. 63-74. ISSN 0378-5963

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037859...

Related URL: http://dx.doi.org/10.1016/0378-5963(82)90135-0

Abstract

Surface oxidation of Cd, In, Sn and Sb has been investigated by employing valence bands, metal 4d levels and plasmon bands in X-ray photoelectron spectra. O(KLL), metal M4N45N45, and plasmon transitions in electron-induced Auger spectra as well as Auger transitions due to the metal (metal oxide) and plasmons in X-ray-induced Auger spectra. The surface oxides are In2O4, CdO and a mixture of SnO and SnO2 in the case of In. Cd and Sn respectively. The facility of surface oxidation is found to vary asIn>Cd>Sn>Sb. Inter-atomic Auger transitions involving oxygen valence bands have been identified on oxidized surfaces of Cd and In.

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ID Code:16116
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