Ultrasonic Study of the High Temperature Phase of Fe_3O_4

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概要

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• We carried otmt ttltrasonic zaaeastrreutaents of' the high teunperattrre phase of F(11130-1 trnder twoexperimental conditions: (1) appl)'ing hydrost?ttic presstrre Llp to 1.2 GPa and (2) cor?trolling themagnetization direction. In the foruner experiraaent, the anounaly of' C,)3 was strppressed by theapplication of pressure, xvhile C) ] was enhanced. Hoxvexver, the normalized pressture dependenceof' (Vvv and C.n.+ were the saune. Ill the latter, (?11 showed der>endence on the relative directionbetween the naagnetiz?rtion and tlae sound prop?rgation. XVe ['otund that the teunper?tttrre depen-dence of' the extraordinatry jcart of l.coth (?mt ?rz?d C,?.? is well explained by the existence of adefornaation trnit, which retauains Lip to room tenaperatttre. Ill addition, the observed tnagnetizaLion direction dependence of' C3 l strggests that the defornaation of' a unit depends on the relativedirection betxveen the rn?xin axis of a trnit and the naargnetization direction.

• 社団法人日本物理学会の論文
• 1998-09-15

著者

• SUZUKI Masaru

  Department of Applied Physics and Chemistry, The University of Electro-Communications

• MORI Nobuo

  Institute of Solid State Physics, University of Tokyo

• Siratori K

  Kyushu Univ. Fukuoka

• Siratori Kiiti

  Institute Of Materials Structure Science High Energy Accelerator Research Organization

• Siratori Kiiti

  Department Of Physics Osaka University

• Shiratori K

  Kyushu Univ. Fukuoka

• Siratori Kiiti

  Department Of Physics Faculty Of Science Osaka University

• TODO Sakae

  Institute for Solid State Physics,University of Tokyo

• Siratori Kiiti

  Depatment Of Physics Faculty Of Science Kyusyu University

• Suzuki Masuo

  Department Of Physics Faculty Of Science The University Of Tokyo

• 鈴木 勝

  電気通信大学量子・物質工学科

• Suzuki Masaru

  Department Of Applied Physics And Chemistry The University Of Electro-communications

• Ishida Susumu

  Department Of Anesthesia And Intensive Care Nagoya Daini Red Cross Hospital

• Mori Nobuo

  Institute For Solid State Physics The University Of Tokyo

• Todo Sakae

  Institute For Solid State Physics The University Of Tokyo

• Isida Susumu

  Department Of Natural Sciences The University Of Electro-communications

• MORI Nobuo

  Institute for Solid State Physics (ISSP), University of Tokyo:(Present address)Department of Physics, Faculty of Science, Saitama University

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