Fermi Surface Property of CeCoGe_3 and LaCoGe_3 without Inversion Symmetry in the Tetragonal Crystal Structure(Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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We carried out the de Haas-van Alphen (dHvA) experiment of an antiferromagnet CeCoGe_3 and its reference compound LaCoGe_3 without inversion symmetry in the tetragonal crystal structure. The detected dHvA branches are similar between the two compounds. All the dHvA branches in LaCoGe_3 are well explained by the results of energy band calculations. There exist three types of compenstated Fermi surfaces. Each Fermi surface is found to consist of two types of similar Fermi surfaces, which is characteristic in the crystal structure without inversion symmetry. The main dHvA branch of CeCoGe_3 is found to possess the relatively large cyclotron mass m^*_c≃10m_0 (m_0: rest mass of an electron), which is compared to 1m_0 in LaCoGe_3.
- 社団法人日本物理学会の論文
- 2006-04-15
著者
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MATSUDA Tatsuma
Advanced Science Research Center, Japan Atomic Energy Research Institute
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HAGA Yoshinori
Advanced Science Research Center, Japan Atomic Energy Research Institute
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SETTAI Rikio
Graduate School of Science, Osaka University
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ONUKI Yoshichika
Graduate School of Science, Osaka University
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SHISHIDO Hiroaki
Graduate School of Science, Osaka University
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THAMIZHAVEL Arumugam
Graduate School of Science, Osaka University
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HARIMA Hisatomo
Department of Physics, Faculty of Science, Kobe University
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OKUDA Yusuke
Graduate School of Science, Osaka University
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Okada Yasuaki
Graduate School Of Science Osaka University
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Oda Yasukage
Gradnate School Of Science Osaka University
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Hidaka Hiroyuki
Graduate School Of Natural Science And Technology Okayama University
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Onuki Yoshichika
Institute Of Materials Science The University Of Tsukuba
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Thamizhavel Arumugam
Department Of Physics Osaka University
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Haga Yoshinori
Advanced Science Research Center Japan Atomic Energy Research Institute
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Shiba Haruya
Department Of Electrical And Electronic Engineering Faculty Of Engineering The University Of Tokushi
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Shiba Hiroyuki
Department Of Physics Tokyo Institute Of Technologt
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Shishido Hiroaki
Graduate School Of Science Osaka University
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Harada H
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Onuki Yoshichika
Graduate School Of Science Osaka University
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Harima H
Department Of Physics Graduate School Of Science Kobe University
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Harima Hisatomo
Isir-sanken Osaka University
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Harima Hisatomo
Department Of Condensed Matter Physics The Institute Of Scientific And Industrial Research Osaka Uni
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Shiozawa Hidetsugu
Department Of Physics Tokyo Metropolitan University
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Matsuda Tatsuma
Advanced Science Research Center Japan Atomic Energy Agency
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Harima Hisatomo
Department Of Physics Kobe University
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Sato Hideyuki
Graduate School Of Science Tokyo Metropolitan University
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Okuda Yusuke
Gradnate School Of Science Osaka University
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MATSUDA Tatsuma
Advance Science Research Center, Japan Atomic Energy Agency
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MATSUDA Tatsuma
Advanced Science Research Center, Japan Atomic Energy Research Agency
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HAGA Yoshinori
Advance Science Research Center, Japan Atomic Energy Agency
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HAGA Yoshinori
Advanced Science Research Center, Japan Atomic Energy Research Agency
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