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Type: Artigo de periódico
Title: Electronic structure of nitrogen-carbon alloys (a-CNx) determined by photoelectron spectroscopy
Author: Souto, S
Pickholz, M
dos Santos, MC
Alvarez, F
Abstract: The electronic structure of nitrogen-containing diamondlike films prepared by sputtering was determined by photoelectron spectroscopy. The N 1s core-level spectra are constituted by two peaks at 400.5 and 398.2 eV associated with substitutional N sp(2) in aromatic rings and N bonded to C sp(3), respectively. On increasing N, the top of the valence band suffers profound changes. The new features are identified by a comparison of the experimental spectra with theoretically calculated density of states of nitrogen-containing graphite and C3N4 structures. [S0163-1829(98)04004-1].
Country: EUA
Editor: American Physical Soc
Citation: Physical Review B. American Physical Soc, v. 57, n. 4, n. 2536, n. 2540, 1998.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.57.2536
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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