Electron Paramagnetic Resonance Study of Gd^<3+> and Eu<2+> in the Mixed Valence Compound SmB_6

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概要

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• The g shifts and linewidths of the Gd" and Eu" EPR in SmB., have beenmeasured in the temperature range between 1.6 and 20 K. The g shifts are inde-pendent of temperature and are -0.07 and -0.06 for Gd" and Eu", respec-tively, which are attributed to the exchange interaction between the impurityand the 4f electrons of host Sm ions. The effective exchange parameter is estimatedto be 1.4K for Gd" and 1.2K for Eu". The linewidth of Gd" increasesrapidly with increasing temperature above 4k, while that of Eu" increasesrather slowly. The observed difference in the temperature dependences of thelinewidths of Gd" and Eu" is discussed in terms of proposed models.

• 社団法人日本物理学会の論文
• 1978-04-15

著者

• KASAYA Mitsuo

  Department of Physics,Faculty of Science,Tohoku University

• Kasaya Mitsuo

  Department Of Physics Faculty Of Science Tohoku University

• Kasaya Mitsuo

  Department Of Physics Faculty Of Sciences Tohoku University

• Kojima Kenichi

  Department Of Physics Yokohama City University

• Kojima Kenichi

  Department Of Physics Faculty Of Sciences Tohoku University:faculty Of Integrated Arts And Sciences

• KOI Yoshitaka

  Department of Physics,Faculty of Sciences,Tohoku University

• Koi Yoshitaka

  Department Of Physics And Department Of Electrical Engineering Tohoku University

• Koi Yoshitaka

  Department Of Physics Faculty Of Sciences Tohoku University:college Of Engineering Nihon University

• Kojima Kenichi

  Department Of Hematology Ogikubo Hospital

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