de Haas-van Alphen Effect in LaFePO with Two-Dimensional Cylindrical Fermi Surfaces(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• We have succeeded in observing the de Haas-van Alphen (dHvA) effect in LaFePO, the first reported iron-based superconductor in the iron-oxypnictide family. The four detected dHvA frequencies, which correspond to the cross-sectional areas of Fermi surfaces, approximately follow the 1/cosθ dependence, where θ is the field-tilted angle from the [001] direction to the [100] and [110] directions in the tetragonal structure. This indicates that all the Fermi surfaces are nearly cylindrical, with the two-dimensional electronic state. The cyclotron effective mass, which was determined from the temperature dependence of the dHvA amplitude, is relatively large, ranging from 1.82 to 2.34m_0. The result of energy band structure calculation revealed that the conduction bands mainly consist of 3d electrons of Fe atoms.

• 社団法人日本物理学会の論文
• 2008-11-15

著者

• SUGAWARA Hitoshi

  Faculty of Integrated Arts and Sciences, The University of Tokushima

• 辺土 正人

  琉球大理

• 大貫 惇睦

  Graduate School Of Science Osaka University

• SETTAI Rikio

  Graduate School of Science, Osaka University

• ONUKI Yoshichika

  Graduate School of Science, Osaka University

• 斯波 弘行

  Department Of Physics Tokyo Metropolitan University

• DOI Yusuke

  Graduate School of Science, Osaka University

• KATAYAMA Keisuke

  Graduate School of Science, Osaka University

• YAMAGAMI Hiroshi

  Department of Physics, Faculty of Science, Kyoto Sangyo University

• MURANAKA Hiroshi

  Graduate School of Science, Osaka University

• Settai R.

  Nara Medical University Center For Infectious Diseases

• Sakata-haga Hiromi

  Department Of Anatomy And Developmental Neurobiology Institute Of Health Biosciences The University

• Okajima Yoshitoshi

  Department Of Applied Physics Hokkaido University

• Doi Yusuke

  Graduate School Of Science Osaka University

• Okada Yasuaki

  Graduate School Of Science Osaka University

• Oda Yasukage

  Gradnate School Of Science Osaka University

• Oda Yasukage

  Graduate School Of Material Science University Of Hyogo

• Kuwahara Keitaro

  Department Of Physics Faculty Of Science Tokyo Metropolitan University

• Hedo M

  Institute For Solid State Physics University Of Tokyo

• Matsui H

  Graduate School Of Science Osaka University

• KUWAHARA Keitaro

  Institute of Applied Beam Science, Ibaraki University

• Onuki Yoshichika

  Institute Of Materials Science The University Of Tsukuba

• Sugawara H

  Faculty Of Integrated Arts And Sciences The University Of Tokushima

• Hidekazu Mukuda

  Department Of Materials Engineering Science Graduate School Of Engineering Science Osaka University

• Matsui H

  Physics Department Graduate School Of Science Tohoku University

• 斯波 弘行

  東京工大

• Kakurai K

  Quantum Beam Science Directorate Japan Atomic Energy Agency

• Kakurai Kazuhisa

  Neutron Scattering Laboratory Institute For Solid State Physics The University Of Tokyo

• Shiba Haruya

  Department Of Electrical And Electronic Engineering Faculty Of Engineering The University Of Tokushi

• Shiba Hiroyuki

  Department Of Physics Kobe University

• Minaguchi Hiroshi

  Department Of Obstetrics And Gynecology Yokohama City University School Of Medicinedepartment Of Obs

• Settai R

  Research Institute For Scientific Measurements Tohoku University

• Onuki Yoshichika

  Graduate School Of Science Osaka University

• Katayama Keisuke

  Graduate School Of Science Osaka University

• Yamagami Hiroshi

  Department Of Neurology Stroke Center Kobe City Medical Center General Hospital

• Sugawara Hitoshi

  Faculty Of Engineering Iwate University

• Sugawara Hitoshi

  Faculty Of Integrated Arts And Science University Of Tokushima:graduate School Of Science Tokyo Metr

• Shiozawa Hidetsugu

  Department Of Physics Tokyo Metropolitan University

• Sakurai Hiroya

  Superconducting Materials Center National Institute For Materials Science (smc/nims)

• Matsui Hiroshi

  Graduate School Of Science Osaka University

• Kuwahara Keitaro

  Institute Of Applied Beam Science Ibaraki University

• Sakai Hironori

  Advanced Science Research Center Japan Atomic Energy Agency

• Sakata H

  Department Of Physics Tokyo Institute Of Technology

• Mukuda Hidekazu

  Graduate School Of Science Osaka University

• Kuwahara K

  Department Of Physics Faculty Of Science Tokyo Metropolitan University

• Oda Yasukage

  The Institute For Solid State Physics University Of Tokyo

• Sato Hideyuki

  Graduate School Of Science Tokyo Metropolitan University

• Okuda Yusuke

  Gradnate School Of Science Osaka University

• Matsui Hiroshi

  Physics Department Graduate School Of Science Tohoku University:center For Interdisciplinary Researc

• Muranaka Hiroshi

  Graduate School Of Science Osaka University

• Sugawara Hitoshi

  Tokushima Univ. Tokushima

• Muraoka Hideaki

  Graduate School Of Science Osaka University

• Matsui Hiroshi

  Physics Department Graduate School Of Science Tohoku University:center For Interdisciplinary Researc

• Shishido Hiroaki

  Kyoto Univ. Kyoto

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