Metal-Insulator Transition in (TMTTF)_2BF_4 under Pressure

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概要

• 論文の詳細を見る

• The pressure-temperature phase diagram of bis-tetramethyltetrathiafulvalene-tetrafluoroborate, (TMTTF).BF4, is determined through the electrical conduc-tivity measurement along the a-axis. Two distinct metal-insulator transitions areo bserved at T.= 200 K (P< 5 kbar) and at T.: ca. 50 K (7' >5 kbar). We con-jecture that the T. transition is associated with an anion-orientational ordering,while T. is with the spin-Peierls ordering. The large difference in the transitiontemperatures for the resistivity at 200 K and for both the magnetic susceptibilityand the specific heat at 41 K in the early reports is reconciled by taking accountof the two types of transitions.

• 社団法人日本物理学会の論文
• 1984-02-15

著者

• ANZAI Hiroyuki

  Electrotechnical Laboratory

• Maruyama K

  Faculty Of Science Niigata University

• Maruyama K

  Department Of Physics Faculty Of Science Kyoto University

• Maruyama Kenji

  Graduate School Of Science And Technology Niigata University

• ANZAI Hiroyuki

  Department of Material Science, Himeji Institute of Technology

• Murata K

  Nagoya Univ. Nagoya

• Murata K

  Division Of Molecular Materials Science Graduate School Of Science Osaka City University

• Murata Keizo

  Electorotechnical Laboratory

• Anzai H

  Himeji Inst. Technol. Kamigohri Jpn

• Anzai Hiroyuki

  Electrotechnical Laboratory Umezono

• UKACHI Takashi

  Electrotechmical Laboratory

• Ishiguro Takehiko

  Electrotechincal Laboratory

• Ukachi Takashi

  Electrotechnical Laboratory:tokyo Research Laboratory Japan Synthetic Rubber Co.ltd.

• Ishiguro T

  Nagaoka Univ. Technol. Nagaoka Jpn

• Anzai Hiroyuki

  Electrotechmical Laboratory

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