dHvA Effect Study of Metamagnetic Transition in CeRu_2Si_2 II : The State above the Metamagnetic Transition
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概要
- 論文の詳細を見る
We have performed an extensive dHvA effect study of CeRuzSiz to gain more insight intothe nature of the metamagnetic transition. The angular dependence of the dHvA frequenciesconfirms the transition of the Fermi surfaces from those of the itinerant f electron below themetamagnetic transition field (H.) to those of the localized f electron above H.. The fielddependence of the frequencies and effective masses are measured for all the frequencies observedwith fields parallel to [001]. A waveform analysis suggests that the Fermi surfaces of the up anddown spin electrons are similar in size, whereas the effective masses are significantly different.The amplitudes of the dHvA oscillations and their field dependence are anomalous above If.,implying that the dHvA oscillations above H.. may possibly come from a state which is not welldeveloped near H...
- 社団法人日本物理学会の論文
- 1996-02-15
著者
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SETTAI Rikio
Faculty of Science, Osaka University
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ONUKI Yoshichika
Faculty of Science, Osaka University
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TAKASHITA Masahiro
Institute of Materials Science,University of Tsukuba
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AOKI Haruyoshi
Tsukuba Magnet Laboratory,National Research Institute for Metals
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TERASHIMA Taichi
Tsukuba Magnet Laboratory,National Research Institute for Metals
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UJI Shinya
Tsukuba Magnet Laboratory,National Research Institute for Metals
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Uji S
National Research Institute For Metals
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Maezawa Kunihiko
Department Of Applied Physics Tohoku University:toyama College Of Technology
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Azuma H
Spring-8/riken
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Takashita Masahiro
Institute Of Materials Science University Of Tsukuba:tsukuba Magnet Laboratory National Research Ins
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Uji S
National Institute For Materials Science:jst Transformative Research-project On Iron Pnictides (trip
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Amitsuka Hiroshi
Hokkaido Univ. Sapporo
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