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Electronic states at oxygen deficient WO3(001) surfaces: a study by resonant photoemission

Abstract:

Electronic states associated with oxygen deficiency at WO3(001) surfaces have been studied by photoemission with the photon energy tuned to a resonance maximum in the W 5d ionization cross-section profile. Mild ion bombardment followed by UHV annealing leads to a reduced surface where the predominant W 5d states lie "deep" within the bulk bandgap. After more energetic and prolonged bombardment and annealing, a quasi metallic surface is obtained with a significant density of states at the Ferm...

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Publication status:
Published

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Journal:
SURFACE SCIENCE
Volume:
399
Issue:
2-3
Pages:
199-211
Publication date:
1998-03-10
DOI:
ISSN:
0039-6028
URN:
uuid:0e0e73bc-55cc-43cd-b239-0846bdd23cab
Source identifiers:
36512
Local pid:
pubs:36512

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