Reentrant Effect on the Transport Properties of La0.7Sr0.3MnO3 Films
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概要
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In this work, the transport properties of polycrystalline manganite La0.7Sr0.3MnO3 (LSMO) films were investigated. The LSMO was grown on MgO(001) and SiO2/Si(001) substrates by using a magnetron dc sputtering technique to obtain polycrystalline films. It was found that the variation in the resistance with the temperature was dominated by the spin fluctuation around the magnetic domain walls. In addition, the reentrant spin glass gave rise to the upturn resistance of the polycrystalline LSMO films at low temperatures. The spin fluctuation and the reentrant effect also led to the significant magnetoresistance occurring in the LSMO films, which is larger than the colossal magnetoresistance of the LSMO film by one order of magnitude.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-07-15
著者
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Lee S.
Institute Of Physics Academia Sinica
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Yao Y.
Institute Of Physics Academia Sinica
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YANG S.
Institute of Electro-optical Science and Technology, National Taiwan Normal University
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KUANG W.
Institute of Physics, Academia Sinica
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TSE W.
Institute of Physics, Academia Sinica
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Liou Yung
Institute Of Physics Academia Sinica
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Lee S.
Institute of Physics, Academia Sinica, Taipei 115, Taiwan
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Liou Yung
Institute of Physics, Academia Sinica, Taipei 115, Taiwan
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Yang S.
Institute of Electro-optical Science and Technology, National Taiwan Normal University, Taipei 116, Taiwan
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Yao Y.
Institute of Physics, Academia Sinica, Taipei 115, Taiwan
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Kuang W.
Institute of Physics, Academia Sinica, Taipei 115, Taiwan
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