Electronic Structures of Ti and V Oxides : Calculation of Valence Photoemission and Bremsstrahlung Isochromat Spectra

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概要

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• We have calculated the valence photoemission and bremsstrahlung isochromat spectra for TiO_2, Ti_2O_3 and VO_2 by means of an MO_6 cluster model (M=Ti, V). The result shows that the first ionization state and the lowest affinity state have considerable O 2p character because of the large hopping matrix element between Ti (V) 3d and O 2p orbitals. In particular, it is shown that the character of the energy gap in VO_2 is charge-transfer type rather than Mott-Hubbard type.

• 社団法人日本物理学会の論文
• 1993-08-15

著者

• 魚住 孝幸

  Institute For Solid State Physics The University Of Tokyo:riken

• KOTANI Akio

  Institute for Solid State Physics,University of Tokyo

• 小谷 章雄

  SPring-8

• Okada K

  The Graduate School Of Natural Science And Technology Okayama University

• Okada Kozo

  Faculty Of Education Yamaguchi University

• UOZUMI Takayuki

  Institute for Solid State Physics,University of Tokyo

• 小谷 章雄

  理化学研究所播磨研究所

• Okada Kozo

  The Graduate School Of Natural Science And Technology Okayama University

• Kotani Akio

  Institute For Solid State Physics The University Of Tokyo

• Uozumi Takayuki

  Institute For Solid State Physics The University Of Tokyo

• Kotani Akio

  Institut De Physique Et Chimiedes Materiaux De Strasbourg Cnrs

• KOTANI Akio

  Department of Physics, Tohoku University : Institute for Solid State Physics, University of Tokyo

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