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MAGNETIC CIRCULAR DICHROISM OF 4d–4fRESONANT X-RAY EMISSION FOR GADOLINIUM AND TERBIUM

Author

Listed:
  • YASUHIRO TAKAYAMA

    (Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Tokyo 192-0397, Japan)

  • HIDEO OHTSUBO

    (Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Tokyo 192-0397, Japan)

  • MOTOKI SHINODA

    (Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Tokyo 192-0397, Japan)

  • KENJI OBU

    (Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Tokyo 192-0397, Japan)

  • CHOL LEE

    (Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Tokyo 192-0397, Japan)

  • HIDETSUGU SHIOZAWA

    (Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Tokyo 192-0397, Japan)

  • HIROYOSHI ISHII

    (Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Tokyo 192-0397, Japan)

  • TSUNEAKI MIYAHARA

    (Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Tokyo 192-0397, Japan)

  • JUN OKAMOTO

    (Synchrotron Radiation Research Center, Japan Atomic Energy Research Institute, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan)

Abstract

We have measured the magnetic circular dichroism (MCD) of X-ray emission spectra (XES) for gadolinium and terbium in the 4d–4f resonant excitation region. Clear MCD signals in the XES were observed and they dramatically changed as the excitation energy changed. Especially, an extremely large MCD signal appeared with the8Dresonant excitation for gadolinium. Comparison between the MCD for XES and total photoelectron yield (TEY) shows that the XES are very insensitive to the surface state. As a result, the measurement of XES was proved to be a superior technique for estimating the genuine magnetic moment in the bulk.

Suggested Citation

  • Yasuhiro Takayama & Hideo Ohtsubo & Motoki Shinoda & Kenji Obu & Chol Lee & Hidetsugu Shiozawa & Hiroyoshi Ishii & Tsuneaki Miyahara & Jun Okamoto, 2002. "MAGNETIC CIRCULAR DICHROISM OF 4d–4fRESONANT X-RAY EMISSION FOR GADOLINIUM AND TERBIUM," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(02), pages 837-841.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:02:n:s0218625x02003020
    DOI: 10.1142/S0218625X02003020
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