Magnetic Anisotropy, Interfacial Hybridization, and Orbital Magnetic Moment in Co/Pt Multilayers

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概要

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• The interfacial magnetic and electronic states of Co/Pt multilayers have been studied by soft x-ray magnetic circular dichroism (SXMCD) measurements. The Co L_<2,3> and M_<2,3> SXMCD data reveal a strongly enhanced perpendicular Co orbital moment in multilayers which show perpendicular magnetic anisotropy (PMA). Large SXMCD signals were observed also at the Pt N_<6,7> and O_<2,3> edges, showing a strong interfacial Pt 5d-Co 3d hybridization. Evidence is presented for a transition from fcc to hcp Co with increasing Co-layer thickness. All these observaed effects are shown to drive PMA.

• 社団法人日本磁気学会の論文
• 1999-01-20

著者

• Fujimori A.

  University of Tokyo

• Iio K

  Tokyo Inst. Technol. Tokyo

• Nakajima N.

  Photon Factory, IIMSS, High Energy Accelerator Research Organization

• Koide T.

  Photon Factory, IIMSS, High Energy Accelerator Research Organization

• Shidara T.

  Photon Factory, IIMSS, High Energy Accelerator Research Organization

• Miyauchi H.

  Institute of Physics, University of Tsukuba

• Fukutani H.

  Institute of Physics, University of Tsukuba

• Fujimori A.

  Department of Physics, University of Tokyo

• Iio K.

  Department of Physics, Tokyo Institute of Technology

• Katayama T.

  Electrotechnical Laboratory

• Suzuki Y.

  Electrotechnical Laboratory

• Shidara T.

  Photon Factory Imss High Energy Accelerator Research Organizaiton

• Fukutani H.

  Institute Of Physics University Of Tsukuba

• Fujimori A.

  Department Of Physics University Of Tokyo

• Koide T.

  Photon Factory Imss High Energy Accelerator Research Organizaiton

• Fujimori A.

  Department Of Complexity Science And Engineering And Department Of Physics University Of Tokyo

• Iio K.

  Department Of Physics Tokyo Institute Of Technology

• Miyauchi H

  Institute Of Physics University Of Tsukuba

• Kamimura T.

  Department Of Physics Tohoku University

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