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Type: Artigo de periódico
Title: Bond distribution and structure of amorphous germanium nitrogen alloys
Author: Zanatta, AR
Chambouleyron, I
Abstract: The Ge 3d core levels of sub-stoichiometric amorphous germanium-nitrogen (a-GeN) alloys are studied by X-ray photoelectron spectroscopy (XPS). The nitrogen concentration in the samples, as determined from nuclear reaction analysis (NRA), is allowed to vary from zero to approximate to 3 x 10(22) atoms cm(-3). For the whole series of samples both, the chemical shift and the bonding distribution are studied as a function of the nitrogen concentration in the alloys. The chemical shift per Ge-N bond is also investigated using different methods to deconvolute core level energy spectra, and found to be approximately (0.5 +/- 0.1) eV. Furthermore, the present study shows that the Ge-N bond distribution as obtained from the analysis of Ge 3d core level data, is in relatively good agreement with the random bonding model (RBM).
Country: Alemanha
Editor: Akademie Verlag Gmbh
Citation: Physica Status Solidi B-basic Research. Akademie Verlag Gmbh, v. 193, n. 2, n. 399, n. 410, 1996.
Rights: fechado
Identifier DOI: 10.1002/pssb.2221930214
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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