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A photoelectron spectroscopy study of the electronic structure evolution in CuInSe2-related compounds at changing copper content
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
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2012 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 101, no 11, 111607- p.Article in journal (Refereed) Published
Abstract [en]

Evolution of the valence-band structure at gradually increasing copper content has been analysed by x-ray photoelectron spectroscopy (XPS) in In2Se3, CuIn5Se8, CuIn3Se5, and CuInSe2 single crystals. A comparison of these spectra with calculated total and angular-momentum resolved density-of-states (DOS) revealed the main trends of this evolution. The formation of the theoretically predicted gap between the bonding and non-bonding states has been observed in both experimental XPS spectra and theoretical DOS.

Place, publisher, year, edition, pages
2012. Vol. 101, no 11, 111607- p.
Keyword [en]
Copper content, Density-of-states, Related compounds, XPS spectra
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-106154DOI: 10.1063/1.4752723ISI: 000309329300019Scopus ID: 2-s2.0-84866327111OAI: oai:DiVA.org:kth-106154DiVA: diva2:572957
Funder
Swedish Research Council
Note

QC 20121129

Available from: 2012-11-29 Created: 2012-11-29 Last updated: 2017-12-07Bibliographically approved

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Persson, Clas

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