Successive Spin Freezing Behavior in a Pyrochlore Antiferromagnet Y_2Mo_O_7 under Magnetic Fields : Condensed Matter: Electronic Properties, etc.

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概要

• 論文の詳細を見る

• Magnetic ordering of a geometrically frustrated pyrochlore antiferromagnet Y_2Mo_2O_7 has been investigated by AC and DC magnetic measurements. A spin freezing transition at 〜23K is indicated by AC susceptibility and low-field DC magnetization data. Under magnetic field above 700 Oe, a two-step increase of the irreversible magnetization M_<irr> (=M_<FC> - M_<ZFC>) is observed, corresponding to the freezing of the transverse and longitudinal spin components. The field dependence of the freezing temperatures is consistent with the H-T relations of a Heisenberg mean field spin-glass. The coefficients of the H-T relations for the longitudinal freezing are, however, fairly large compared with those of conventional disordered spin-glasses studied so far.

• 社団法人日本物理学会の論文
• 2000-11-15

著者

• Honda Kenji

  Department of Physiology and Pharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University

• 西村 義隆

  熊本大学工学部

• Takeuchi J

  Department Of Materials Science Shimane University

• Takeuchi J

  Department Of Physics Faculty Of Science Shimane University

• Fujiwara K

  Shimane Univ. Matsue

• Fujiwara Kenji

  Department Of Materials Science Shimane University

• Fujiwara Koji

  Department Of Physics Division Of Material Science Nagoya University

• Fujiwara K

  Kyushu Inst. Design Fukuoka Jpn

• MIYOSHI Kiyotaka

  Department of Materials Science, Shimane University

• TAKEUCHI Jun

  Department of Materials Science, Shimane University

• Takeuchi J

  Faculty Of Pharmaceutical Sciences Osaka University

• Fujiwara Kenji

  Department Of Gastroenterology And Hepatology Saitama Medical School

• Kiyotaka Miyoshi

  Department Of Materials Science Shimane University

• Miyoshi Kiyotaka

  Department Of Electronics And Information Science Faculty Of Engineering And Design Kyoto Institute

• Nishimura Yoshinori

  Department Of Material Science Shimane University:(present)fujitsu Kansai-chubu Net-tech Limited

• Honda Kenji

  Department Of Chemistry Toho University

• Honda Kenji

  Department Of Material Science Shimane University

• Takeuchi Jun

  Department Of Material Science Shimane University

• Takeuchi Jun

  Department Of Chemical Science And Technology Faculty Of Engineering Kyushu University

• Fujiwara Kenji

  Department Of Materials Sciences Shimane University

• Fujiwara Kenji

  Department Of Gastroenterology And Hepatology Faculty Of Medicine Saitama Medical University

• Fujiwara Kenji

  Department of Materials Science, Shimane University

• Fujiwara Kenji

  Department of Chemistry, Faculty of Science, Hokkaido University

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