Magnetic Anisotropy Measurements of NiO Single Crystal

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概要

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• The magnetic anisotropy of NiO single crystal grown by the Verneuil method was measured using a torque balance. An X-ray study showed that the crystal, despite its outward appearance of a single crystal, is composed of small rhombohedral domains twinned through {100} planes. By applying a pressure along one of the [111] axes of the crystal during annealing from above the Neel temperature, the twin structure was partly removed. Torque measurements in a homogeneous magnetic field and their analysis showed that in pressure-annealed crystals domains with trigonal axis pointing along the direction of the pressure dominate but antiferromagnetic domains in each crystallite are distributed at random. The spin axis was found to be in the plane parpendicular to the trigonal axis within ±16°.

• 社団法人日本物理学会の論文
• 1958-06-05

著者

• UCHIDA Enji

  Department of Physics, University of Osaka Prefecture

• KONDOH Hisamoto

  Department of Physics, University of Osaka Prefecture

• NAKAZUMI Yoshihide

  Nakazumi Crystal Corp.

• Nagamiya Takeo

  Department Of Physics Faculty Of Science Osaka University

• NAKAZUMI Yoshihide

  Tochigi Chemical Industry Co., Ltd.

• Uchda Enji

  Department Of Physics University Of Osaka Prefecture:(present)osaka Electro-communication University

• Uchida Enji

  Department Of Physics Naniwa University

• Kondoh Hisamoto

  Department Of Materials Sience University Of Osaka Prefecture

• Nagamiya Takeo

  Department Of Physcis Osaka University

• NAGAMIYA Takeo

  Faculty of Engineering Science, Osaka University

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