Magnetic Circular Dichroism of Resonant X-Ray Emission Spectroscopy in Longitudinal and Transverse Geometries

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概要

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• Theoretical calculations and experimental measurements are performed for magnetic circular dichroism in resonant X-ray emission spectroscopy (MCD-RXES) in Gd3+ systems. It is shown that when the incident X-ray direction is perpendicular to the magnetization of the sample the MCD-RXES originates from the quantum mechanical interference which is characteristic of the coherent second order optical process, while when it is parallel to the magnetization the second order optical process reduces to the so-called two-step process with vanishing interference effect. The behavior of MCD-RXES calculated for the 2p →5d electric dipole excitation and 3d →2p dipole radiative decay in Gd3+ is in good agreement with that measured experimentally for a Gd33Co67 amorphous alloy. The effects of the 2p →4f electric quadrupole excitation and the 2p →εd electric dipole excitation are also studied.

• Physical Society of Japanの論文
• 2001-11-15

著者

• Ogasawara Haruhiko

  Institute For Solid State Physics University Of Tokyo

• Nakamura Tetsuya

  Institute of Industrial Science,University of Tokyo

• Shoji Hironobu

  Institute Of Industrial Science University Of Tokyo:(present Address) Semiconductor Energy Laborator

• FUKUI Keiji

  Institute for Solid State Physics, University of Tokyo

• Iwazumi Toshiaki

  Photon Factory Institute Of Materials Structure Science

• Kotani Akio

  Institut De Physique Et Chimiedes Materiaux De Strasbourg Cnrs

• Kotani Akio

  Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581

• Iwazumi Toshiaki

  Photon Factory, Institute of Materials Structure Science, 1-1 Oho, Tsukuba, Ibaraki 305-0801

• Ogasawara Haruhiko

  Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581

• Fukui Keiji

  Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581

• Shoji Hironobu

  Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505

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