Microscopic Magnetization Process in Tb₄₃Co₅₇ Film by Magnetic Compton Scattering

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概要

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• The magnetic properties reflected in a macroscopic hysteresis loop are dominated by both spin and orbital moments. In this study, spin-specific magnetic hysteresis (SSMH) and orbital-specific magnetic hysteresis (OSMH) loops were obtained for amorphous Tb₄₃Co₅₇ film by using a combination of Compton scattering and superconducting quantum interference device (SQUID) measurements. The shape of SSMH was found to be different from the shape of OSMH, and it was found that the contribution to SSMH from Co was different that from Tb. These results suggest that magnetic switching can be different among the spin moment, the orbital moment, and even the state of electrons.

• 2011-08-25

著者

• Sakurai Hiroshi

  Department Of Applied Chemistry Graduate School Of Engineering Hiroshima University

• Itou Masayoshi

  Japan Synchrotron Radiation Research Institute (jasri)

• Homma Satoshi

  Department Of Cardiovascular Division Institute Of Clinical Medicine University Tsukuba

• Sakurai Yoshiharu

  Japan Synchrotron Radiation Research Institute

• Agui Akane

  Japan Atomic Energy Agency Spring-8

• Matsumoto Sayaka

  Department Of Production Science And Technology Gunma University

• Tsuji Naruki

  Japan Synchrotron Radiation Institute, SPring-8, Sayo, Hyogo 679-5198, Japan

• Tsuji Naruki

  Japan Synchrotron Radiation Research Institute, SPring-8, Sayo, Hyogo 679-5198, Japan

• Homma Satoshi

  Department of Biomedical Engineering, Institute of Basic Medical Sciences, University of Tsukuba

• Homma Satoshi

  Department of Production Science and Technology, Gunma University, Ota, Gunma 373-0057, Japan

• Agui Akane

  Japan Atomic Energy Agency, SPring-8, Sayo, Hyogo 679-5148, Japan

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