Brillouin light scattering study of the magnetic hysteresis loop in Fe-Ni/Si(100) film with induced magnetic anisotropy |
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| Authors: | Kyung Hunn Han Sukmock Lee |
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| Institution: | a Department of Physics, Hanyang University, 17 Haengdang-dong Sungdong-ku, Seoul 133791, South Korea
b Department of Physics, Inha University, Incheon 402-751, South Korea |
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| Abstract: | The magnetic hysteresis of Fe57Ni43/Si(100) with magnetic anisotropy induced by an external field has been studied by Brillouin light scattering (BLS). The results are compared with those of the magneto-optic-Kerr-effect (MOKE) measurement and the vibrating sample magnetometer (VSM). The BLS results show that the sample film has strong in-plane anisotropy. The angle between the magnetization and a 4.6 G applied magnetic field H reaches a maximum value of 45° when H lies along the hard axis. The coercivity and magnetic anisotropy field for the film obtained by the BLS are compared with the values obtained by the VSM and MOKE measurement. |
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| Keywords: | 78 35 +c 75 30 Gw 78 20 &minus e 75 60 &minus d 75 70 &minus i |
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