Magnetic wire and box arrays (invited)

DOI PDF 被引用文献5件
  • Atsushi Maeda
    New Materials Research Center, Sanyo Electric Co., Ltd., 1-1 Dainichi-higashimachi, Moriguchi, Osaka 570, Japan
  • Minoru Kume
    New Materials Research Center, Sanyo Electric Co., Ltd., 1-1 Dainichi-higashimachi, Moriguchi, Osaka 570, Japan
  • Takashi Ogura
    New Materials Research Center, Sanyo Electric Co., Ltd., 1-1 Dainichi-higashimachi, Moriguchi, Osaka 570, Japan
  • Kazuhiko Kuroki
    New Materials Research Center, Sanyo Electric Co., Ltd., 1-1 Dainichi-higashimachi, Moriguchi, Osaka 570, Japan
  • Takashi Yamada
    Microelectronics Research Center, Sanyo Electric Co., Ltd., 1-18-13 Hashiridani, Hirakata, Osaka 573, Japan
  • Madoka Nishikawa
    Microelectronics Research Center, Sanyo Electric Co., Ltd., 1-18-13 Hashiridani, Hirakata, Osaka 573, Japan
  • Yasoo Harada
    Microelectronics Research Center, Sanyo Electric Co., Ltd., 1-18-13 Hashiridani, Hirakata, Osaka 573, Japan

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<jats:p>Ferromagnetic wire and box arrays with widths and spacings in the range of 2–0.6 μm were successfully fabricated utilizing high-resolution electron-beam lithography and lift-off techniques. The box arrays possessed a unique magnetic switching mechanism. As the magnetic field decreased, the magnetic coherency between the boxes which are in a row first disappeared. Domain wall motion in each box occurred in the next step. The demagnetizing fields observed in the wire arrays with short spacings were different from those calculated by a model, in which the wires are isolated from each other. Ferromagnetic resonance measurement implied the appearance of interwire dipole-dipole interaction. Multilayered wire arrays were also prepared to study the magnetoresistive characteristics.</jats:p>

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