Magnetic Circular Dichroism of Resonant X-Ray Emission Spectra by Electric Quadrupole Excitation (Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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概要

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• We give a theoretical prediction for the angle dependence of the magnetic circular dichroism in resonant X-ray emission spectroscopy (MCD-RXES) by the electric quadrupole excitation. After general analytic calculations with an atomic model, we perform numerical calculations of L_<2,3>-M_<4,5> MCD-RXES for Sm^<3+>, where the 2p-4f electric quadrupole excitation, as well as the 2p-5d electric dipole excitation, is followed by the 3d-2p X-ray emission by the electric dipole transition. Tuning the incident X-ray energy in the pre-edge region of the L_3 X-ray absorption, the change of the spectral shape of MCD-RXES is studied in detail with the change of the incident and emitted X-ray angles. We also discuss the possibility of detecting the signal of the electric quadrupole excitation in the MCD-RXES spectra, separately from that of the electric dipole excitation, by changing the incident and emission angles.

• 社団法人日本物理学会の論文
• 2004-04-15

著者

• KOTANI Akio

  SPring-8

• FUKUI Keiji

  RIKEN

• Kotani Akio

  Spring-8:school Of Physics Seoul National University

関連論文

• Resonant X-Ray Emission Spectroscopy in Scandium Halides (Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)
• Theory of Magnetic Circular Dichroism of the Ce L_ X-ray Absorption Spectra in Mixed Valence Vompound CeFe_2(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
• Magnetic Circular Dichroism of Resonant X-Ray Emission Spectra by Electric Quadrupole Excitation (Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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