Control of Crystal Orientation in Deposited Films of Bismuth Vaporized in Laser and Resistance Heating Methods under a High Magnetic Field

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Abstract

Bismuth, a non-magnetic material with a crystal magnetic anisotropy was vaporized by laser and resistance heating methods and deposited on a glass plate as a substrate in a high magnetic field of 12 T. The glass plate was set at the position with the maximum magnetic field intensity in perpendicular to the magnetic field direction. In the case of the laser heating method, the tendency of crystalline orientation in a thin film obtained in the presence of the high magnetic field did not agree with the theoretical prediction derived from the viewpoint of magnetization energy, and the particles on the film surface became coarser. On the other hand, in the case of the resistance heating method, the tendency of crystalline orientation appeared as expected from the theoretical prediction and a finer particle size was obtained in the presence of the magnetic field. Furthermore, a new evaluation method for crystalline orientation has been proposed.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 44 (2), 285-289, 2003

    The Japan Institute of Metals and Materials

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