Pressure Effects to the Anomalous State of Quasi Two-Dimensional Conductor α-(BEDT-TTF)_2KHg (SCN)_4

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概要

• 論文の詳細を見る

• Quasi two-dimensional conductor a-(BEDT-TTF)3KHg(SCN)j has an anoznalous electronicstate in the low-temperature-low-magnetic-field-loxv-pressture regime below 8 K, 22 T, and 5kbar. Angle dependent magnetoresistance oscillations in the anomalous state were measuredunder high pressure with the magnetic field rotated arotrnd two axes perpendicular to eachother. We studied the topology of' the Fermi strrface below and above the critical pressure (5kbar) to compare the nortnal state with the anomalous one. In the anomalous state, we founda new series of angle dependent magnetoresistance oscillations, In the normal state above thecritical pressure, we found a quasi one-dimensional Fermi surface parallel to the 6'c"-plane. Thisis considered to be responsible for the Fermi strrf'ace nesting that causes the anomalous state.Electronic states are discussed in relation to possible origins of the anonaalotrs state.

• 社団法人日本物理学会の論文
• 1996-04-15

著者

• KAGOSHIMA Seiichi

  Department of Basic Science, University of Tokyo

• MIURA Noboru

  Institute for Solid State Physics,University of Tokyo

• Saito G

  Kyoto Univ. Kyoto

• Saito G

  Division Of Chemistry Graduate School Of Science Kyoto University

• Saito Gunzi

  Department Of Chemistry Graduate School Of Science Kyoto University

• Saito Gunzi

  Chemistry Department Kyoto University

• HANASAKI Noriaki

  Department of Pure and Applied Sciences,University of Tokyo

• Saito Gunzi

  Depatment Of Chemistry Kyoto University

• Kagoshima Seiichi

  Institute For Protein Research Osaka University

• Kagoshima S

  Department Of Basic Science University Of Tokyo

• Kagoshima Seiichi

  Department Of Art And Science The University Of Tokyo

• Miura N

  Institute For Solid State Physics University Of Tokyo

• Miura Noboru

  Instilute For Solid State Physics University Of Tokyo

• Saito Gunji

  Department Of Chemistry Kyoto University

• Hanasaki Noriaki

  Department Of Pure And Applied Sciences University Of Tokyo

• Sakaguchi K

  Institute For Protein Research Osaka University

• SAITO Gunzi

  Research Institute, Meijo University

• Saito Gunzi

  Department Of Chemistry Faculty Of Science Kyoto University

• Hanasaki Noriaki

  Department of Physics, Okayama University, Okayama 700-8530

• Hanasaki Noriaki

  Department of Physics, Faculty of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan

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