National Changhua University of Education Institutional Repository : Item 987654321/18489
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題名: Hysteresis Loop of Planar Hall Effect in CoCr Films
作者: Wu, Jong-Ching;Wu, C. S.;Wu, Te-Ho
貢獻者: 物理學系
日期: 1999-04
上傳時間: 2014-06-06T07:17:45Z
出版者: American Institute of Physics
摘要: Micrometer devices of Co85Cr15 film with Hall bar shape were made using standard electron beam lithography and lift-off process. The film was thermally deposited without bias field and the sample was kept at room temperature during evaporation. The Hall voltage, measured at room temperature, showed square hysteresis loops with an external magnetic field applied in the direction close to the film plane. Based on the variation of the Hall voltage measured under different directions of external magnetic field, the magnetic easy axis was verified to be along the long axis of the device. The formation of the easy axis along the narrow wire due to the physical confinement as an intrinsic mechanism is discussed.
關聯: Journal of Applied Physics, 85(8): 5795-5797
顯示於類別:[物理學系] 期刊論文

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