High-Field Magnetization Processes in Diluted Magnetic Semiconductors(Magnetism)
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概要
- 論文の詳細を見る
Recent developments in the use of high magnetic fields to investigate the magnetic properties of diluted magnetic semiconductors are reviewed here. The need for high fields to obtain reliable values of the exchange interaction are described. For a summary of previous work we refer to a presentation in the Proceedings of the Honda International Symposium on the Application of High Magnetic Fields to Materials Science. The most straight-forward approach for extracting the exchange interaction between pairs of magnetic ions is based on the observation of steps in the magnetization vs. field data. These steps result from the magnetic-field splitting of the angular momentum states and the level crossings that occur as the magnetic field is increased. It has been shown, however, that, even in the absence of observable steps, it is possible to estimate the exchange interactions from a fit to an expression containing terms representing both the magnetization of individual ions and that of pairs, if the magnetic field is high enough. A model, based on this approach, has been developed. In the present review this model will be summarized and the results applied to magnetization data taken on II-VI and IV-VI diluted magnetic semiconductors.
- 東北大学の論文
- 1993-06-30
著者
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Kido Giyuu
Institute for Materials Research, Tohoku University
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Kido Giyuu
Institute For Materials Research Tohoku University
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Kido Giyuu
Institute For Solid State Physics University Of Tokyo:the Research Institute For Iron Steel And Othe
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Giriat Witold
Ivic Caracas
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Kido G
National Research Institute For Metals
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Adachi Nobuyasu
Institute for Materials Research, Tohoku University
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Anderson James
Jpaem Dept. Of Physics And Laboratory For Physical Sciences University Of Maryland
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Adachi Nobuyasu
Institute For Materials Research Tohoku University
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Adachi Nobuyasu
Institute For Materials Research
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Gorska Malgorzata
Institute of Physics, Polish Academy of Sciences
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Giriat Witold
IVIC, Caracas
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Kido Giyun
Institute For Solid State Physics University Of Tokyo
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Kido Giyuu
Institute For Solid State Physics University Of Tokyo:the Research Institute For Iron Steel And Othe
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Gorska Malgorzata
Institute Of Physics Polish Academy Of Sciences
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Kido Giyuu
Department Of Electrical Engineering University Of Tokyo:(present Address) Institute For Solid State
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Kido Giyuu
Department Of Materical Physics Faculty Of Engneering Science Osaka University
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Kido Giyuu
Tsukuba Magnet Laboratory National Institute For Materials Science
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