Theory of the 4d→2p X-Ray Emission Spectroscopy in Ce_2 O_3, Pr_2 O_3 and Dy_2 O_3

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概要

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• The 4d→2p X-ray emission spectra (XES) of Ce_2O_3, Pr_2O_3 and Dy_2O_3 have been calculated with an impurity Anderson model with the full multiplet couplings, following the Kramers-Heisenberg formula in the second order optical process. Experimental results have been well reproduced with this model by using a constant value for the 4d core hole lifetime damping Γ(4d) in the case of Ce_2 O_3 and Pr_2 O_3, while in the case of Dy_2O_3 it is necessary to take into account the term dependence of Γ(4d), which is consistent with the previous theoretical analyses of 4d X-ray photoemission spectra. It was also shown that both the spin-orbit couplings of the 4d core level in the finial state and the 4f level in the initial state are key factors to cause the branching ratio in the L_γ line larger than that in the L_β line. The phase matching of the wave functions between the intermediate and final states smears out the hybridization effect in the 4d→2p XES in Ce_2O_3 and Pr_2O_3.

• 社団法人日本物理学会の論文
• 1995-06-15

著者

• KOTANI Akio

  Institute for Solid State Physics,University of Tokyo

• 小谷 章雄

  SPring-8

• Tanaka S

  Department Of Applied Physics Waseda University

• Tanaka S

  International Superconductivity Technology Center

• TANAKA Satoshi

  College of Integrated Arts and Sciences,Osaka Prefecture University

• OGASAWARA Haruhiko

  Institute for Solid State Physics, University of Tokyo

• Ogasawara H

  Spring-8:(present Address)school Of Physics And Physics Research Division Seoul National Universty

• Ogasawara Haruhiko

  Institute For Solid State Physics University Of Tokyo

• Okada K

  The Graduate School Of Natural Science And Technology Okayama University

• Okada Kozo

  Faculty Of Education Yamaguchi University

• 小谷 章雄

  理化学研究所播磨研究所

• Ogasawara Hiromitsu

  Department Of Materials Science And Technology Iwate University

• Okada Kozo

  The Graduate School Of Natural Science And Technology Okayama University

• Kotani Akio

  Institute For Solid State Physics The University Of Tokyo

• Tanaka Satoshi

  College Of Industrial Technology Nihon University

• Kotani Akio

  Institut De Physique Et Chimiedes Materiaux De Strasbourg Cnrs

• Tanaka Satoshi

  College Of Engineering Osaka Prefecture University

• Tanaka Satoshi

  College of Engineering,Osaka Prefecture University

• KOTANI Akio

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

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