Competition between initial-and final-state effects in valence- and core-level x-ray photoemission of Sb-doped SnO2Reportar como inadecuado




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Reference: R. G. Egdell, J. Rebane, T. J. Walker et al., (1999). Competition between initial-and final-state effects in valence- and core-level x-ray photoemission of Sb-doped SnO2. Physical Review B, 59 (3), 1792-1799.Citable link to this page:

 

Competition between initial-and final-state effects in valence- and core-level x-ray photoemission of Sb-doped SnO2

Abstract: High resolution valence- and core-level photoemission spectra of undoped and 3% Sb-doped SnO2 are presented. Conduction-band occupation due to Sb doping in SnO2 leads to a shift of valence-band features to high binding energy. However, the shift is less than the width of the occupied part of the conduction band. This is attributed to a shrinkage of the bulk band gap with doping, arising from an attractive dopant electron interaction and screening of the Coulomb repulsion between valence and conduction electrons. Core-level spectra provide evidence for strong screening by the conduction electron gas in 3% Sb-doped SnO2, giving rise to screened and unscreened final-state peaks in photoemission. The dominant screening response involves excitation of conduction electron plasmons.

Publication status:PublishedPeer Review status:Peer reviewedVersion:Publisher's versionNotes:Citation: Egdell, R. G. et al. (1999). 'Competition between initial- and final-state effects in valence- and core-level x-ray photoemission of Sb-doped SnO2', Physical Review B, 59(3), 1792-1799.[Available at http://prb.aps.org/]. © 1999 The American Physical Society.

Bibliographic Details

Publisher: The American Physical Society

Publisher Website: http://www.aps.org/

Host: Physical Review Bsee more from them

Publication Website: http://prb.aps.org/

Issue Date: 1999-January

Copyright Date: 1999

pages:1792-1799Identifiers

Doi: https://doi.org/10.1103/PhysRevB.59.1792

Issn: 1098-0211

Eissn: 1550-235x

Urn: uuid:51495d92-6689-430d-9383-8e7fc310686d Item Description

Type: Article: post-print;

Language: en

Version: Publisher's versionKeywords: doping valence-band photoemission core-level spectraSubjects: Chemistry & allied sciences Tiny URL: ora:1406

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Autor: R. G. Egdell - institutionUniversity of Oxford facultyMathematical,Physical and Life Sciences Division - Chemistry - Inorganic Ch

Fuente: https://ora.ox.ac.uk/objects/uuid:51495d92-6689-430d-9383-8e7fc310686d



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