Magnetic Phase Transition of[Fe/Au]Multilayers with an Ultra-thin Fe Layer
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概要
- 論文の詳細を見る
The magnetic phase transition of[m ML Fe/12.5 ML Au]_<20>(m=0.7, 0.9, 1.1)multilayers was investigated. The quality of samples was well defined by RHEED observation and the 4 circle X-ray diffraction method. Perpendicular anisotropy was observed for samples thinner than 2ML Fe. The Curie temperature T_C and a critical exponent β were precisely determined by the new method to evaluate the spontaneous magnetization from the measured magnetization as a function of temperature. The Curie temperature T_C decreased with decreasing Fe thickness. The critical exponent β for an ultra-thin Fe layer of around 1 ML is similar to that for the Heisenberg model. The spacer layer of Au plays an important role in making the system's three-dimensional ferromagnetism.
- 社団法人日本磁気学会の論文
- 2001-11-01
著者
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Kondo Y.
Dept. Obst. and Gynec., Yokohama City Univ. Sch. Med.
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Matsui M.
Dept. of Materials Science and Engineering, Nagoya University
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Ozeki T.
Dept.of Crystalline Materials Sci. Fac.of Engng. Nagoya Univ.
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Sadeh B.
Dept.of Crystalline Materials Sci., Fac.of Engng., Nagoya Univ.
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Kida A.
Dept.of Crystalline Materials Sci., Fac.of Engng., Nagoya Univ.
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Ozeki T.
Dept. Obst. & Gynec. Jikei Univ. Sch. Med.
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Sadeh B
Dept.of Crystalline Materials Sci. Fac.of Engng. Nagoya Univ.
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Sadeh B.
Dept. Of Mat. Sci. And Engin. Nagoya Univ.
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Kida A.
Dept.of Crystalline Materials Sci. Fac.of Engng. Nagoya Univ.
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