Spinodal Decomposition under Layer by Layer Growth Condition and High Curie Temperature Quasi-One-Dimensional Nano-Structure in Dilute Magnetic Semiconductors
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概要
- 論文の詳細を見る
We show that spinodal decomposition under layer by layer crystal growth condition leads to characteristic quasi-one-dimensional nano-structures in dilute magnetic semiconductors (DMS). It is found that the DMS systems can form rather large clusters with highly anisotropic shape even for low concentrations. It is suggested that the blocking phenomena in the super-paramagnetism, the magnetic dipole–dipole interaction and the network of the one-dimensional structures should be considered to understand the magnetism in DMS. Based on the present simulations, we propose that the delta-doping method can be effective approach to realize high Curie temperature.
- Japan Society of Applied Physicsの論文
- 2006-04-25
著者
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Fukushima Tetsuya
The Institute Of Scientific And Industrial Research (isir) Osaka University
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SATO Kazunori
The Institute of Scientific and Industrial Research (ISIR), Osaka University
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Katayama-yoshida Hiroshi
The Institute Of Scientific And Industrial Research (isir) Osaka University
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Dederichs Peter
Institut für Ferskoerperforschung, Forschungszentrum Juelich, D-52425 Juelich, Germany
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Dederichs Peter
Institut fuer Festkoerperforschung, Forschungszentrum Juelich, D-52425 Juelich, Germany
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Fukushima Tetsuya
The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
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