English, Article edition: VALENCE ELECTRONIC STRUCTURE OF OXYGEN-MODIFIED α-Mo2C(0001) SURFACE: ANGLE-RESOLVED PHOTOEMISSION STUDY M. KATO; K. OZAWA; T. SATO; ...

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Bookmark: http://trove.nla.gov.au/version/84791
Physical Description
  • article
Language
  • English

Edition details

Title
  • VALENCE ELECTRONIC STRUCTURE OF OXYGEN-MODIFIED α-Mo2C(0001) SURFACE: ANGLE-RESOLVED PHOTOEMISSION STUDY
Author
  • M. KATO
  • K. OZAWA
  • T. SATO
  • K. EDAMOTO
Physical Description
  • article
Notes
  • Adsorption of oxygen on α-Mo2C(0001) is investigated with Auger electron spectroscopy (AES), low-energy electron diffraction (LEED) and angle-resolved photoemission spectroscopy (ARPES) utilizing synchrotron radiation. It is found that C KLL Auger peak intensity does not change during O2 exposure, indicating that the depletion of C atoms does not proceed. It is deduced from ARPES and LEED results that adsorbed oxygen atoms from a well-ordered (1 à 1) lattice on the α-Mo2C(0001) surface. The ARPES study shows that oxygen adsorption induces a peculiar state around Fermi level (EF). Off-normal-emission measurements prove that the state is a half-filled metallic state.
  • Angle-resolved photoemission, Auger electron spectroscopy (AES), low-energy electron diffraction, carbides (LEED), oxygen
  • RePEc:wsi:srlxxx:v:13:y:2006:i:02:p:185-190
Language
  • English
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