Systematic Analysis of Core Photoemission Spectra for Actinide Di-Oxides and Rare-Earth Sesqui-Oxides

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概要

• 論文の詳細を見る

• We carry out systematic analysis of 4f core photoemission spectra for actinide di-oxides AnO_2(An=Th~Bk), using the impurity Anderson model including the exchange interaction J between 5f electrons. The effect of J is important in explaining the observed photoemission spectra especially for PuO_2, AmO_2 and CmO_2. It is shown that PuO_2 and BkO_2 are strongly mixed valence compounds, and that a crossover between Mott-Hubbard-type and charge-transfer-type insulators occurs around NpO_2. A previous analysis of 3d core photoemission spectra for rare-earth sesqui-oxides R_2O_3 (R=La~Yb) is briefly reviewed, and the results for AnO_2 and R_2O_ are compared.

• 理論物理学刊行会の論文
• 1992-06-30

著者

• KOTANI Akio

  Institute for Solid State Physics,University of Tokyo

• Kotani Akio

  Institute For Solid State Physics University Of Tokyo

• Yamazaki T

  Tohoku Univ. Sendai Jpn

• YAMAZAKI Takao

  Department of Physics,Tohoku University

• Kotani Akio

  Institute For Solid State Physics The University Of Tokyo

• Yamazaki Takao

  Department Of Mechanical Engineering Shinshu University

• 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

• YAMAZAKI Takao

  Department of Physics, Tohoku University : Computational Science Research Laboratory, Fujitsu Ltd.,

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