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Magnetic irreversibility of the Fe antidot arrays film by depositing on the porous alumina templates
Authors:Changjun Jiang  Wenwen WeiQingfang Liu  Dangwei GuoDesheng Xue
Institution:Key Laboratory for Magnetism and Magnetic Materials of MOE, Lanzhou University, Lanzhou 730000, PR China
Abstract:An Fe layer was sputter-deposited onto porous alumina templates and Kapton respectively. Fe layer on the porous alumina templates formed an antidot arrays nanostructure, while Fe layer on the Kapton substrate formed a continuous film. Scanning electron microscopy and grazing incidence X-ray diffraction were employed to characterize the morphology and crystal structure of the Fe antidot arrays and continuous film, respectively. The temperature dependence of magnetic properties was shown in the temperature range 2-300 K. The irreversibility of the magnetization of Fe antidot arrays film, as measured in zero-field cooling (ZFC) and field cooling (FC) states, was attributed to the pinning effect of the holes.
Keywords:Magnetic irreversibility  Low-temperature  Antidot arrays  Fe
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