| Original Articles |
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Temperature-Induced Magnetization Reorientation in GdFeCo/TbFeCo Exchange-Coupled Double Layer Films |
| WANG Xian-Ying;ZHANG Yue-Pin1;LI Zuo-Yi2;SHEN De-Fang1;GAN Fu-Xi1 |
| 1Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
2Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan 430074 |
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| Cite this article: |
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WANG Xian-Ying, ZHANG Yue-Pin, LI Zuo-Yi et al 2003 Chin. Phys. Lett. 20 1359-1361 |
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Abstract GdFeCo/TbFeCo exchange-coupled double-layer (ECDL) films used for center aperture type magnetically induced super resolution were investigated through experiments and theoretical calculation. The ECDL films were prepared by the magnetron sputtering method. Polar Kerr effect measurements showed that magnetization reorientation occurred in the GdFeCo layer with the temperature rising, which was subsequently analysed by the micromagnetic calculation based on the mean-field theory and a continuum model. Theoretical analysis is in agreement well with the experimental results.
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| Keywords:
75.70.-i
75.60.Ej
75.70.Ak
71.15.Nc
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Published: 01 August 2003
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| PACS: |
75.70.-i
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(Magnetic properties of thin films, surfaces, and interfaces)
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75.60.Ej
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(Magnetization curves, hysteresis, Barkhausen and related effects)
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75.70.Ak
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(Magnetic properties of monolayers and thin films)
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71.15.Nc
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(Total energy and cohesive energy calculations)
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