Resonant X-Ray Emission Spectroscopy in Dy Compounds

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概要

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• The excitation spectrum of the L_3-M_5 X-ray emission of Dy compounds in the pre-edge region of Dy L_3 X-ray absorption near edge structure (L_3-XANES) is theoretically investigated based upon the coherent second order optical formula with multiplet coupling effects. The spectral broadening of the excitation spectrum is deter-mined by the M_5 core hole lifetime, being free from the L_3 core hole lifetime. The fine pre-edge structure of the L_3 edge due to the 2p→4f quadrupole transition can be seen in the excitation spectrum, while this structure is invisible in the conventional XANES, in agreement with the recent experimental results. We clarify the conditions for the excitation spectrum to be regarded as the absorption spectrum with a smaller width. The resonant X-ray emission spectra for various incident photon energies around the L_3 edge are also calculated.

• 社団法人日本物理学会の論文
• 1994-07-15

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

• 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

• 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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