Reflectance Spectra of k-(BEDT-TTF)_2I_3:Electronic Structure of Dimeric BEDT-TTF Salts

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概要

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• Polarized reflectance spectra of a single crystal of r-(BEDT-TTF). I. were measuredat 295 K and 15 K over the spectral range from 500 cm -' to 25000 cm '. The infraredproperty was two-dimensional. Non-Crude mid-infrared features were observed inspite of the metallic dc conductivity. A comparison with 73- and 6-(BEDT-TTF).1.shows that this behavior has a close connection with the dimeric structure of x-salts.We analyzed the observed line shape by the curve-fitting analysis, and obtained op-tical effective masses. On the basis of the perturbation theory, an effective tight-binding band model for x-salt was derived. We estimated the transfer integrals using thismodel.BEDT-TTF, organic superconductor, reflectance spectra, band structure

• 社団法人日本物理学会の論文
• 1991-11-15

著者

• KOBAYASHI Akiko

  Department of Humanities and Sciences, Nihon University

• KOBAYASHI Hayao

  Department of Humanities and Sciences, Nihon University

• Tajima Hiroyuki

  Department of Radiology, Nippon Medical School

• KOJIMA Yasuhiko

  Department of Chemistry, Tokyo Metropolitan University

• Tamura Masafumi

  Department of Chemistry, Faculty of Science, The University of Tokyo

• Kuroda Haruo

  Department of Chemistry, Faculty of Science, The University of Tokyo

• Tamura Masafumi

  Department Of Chemistry Faculty Of Science The University Of Tokyo

• Tamura Masafumi

  Condensed Molecular Materials Lab. Riken

• Kuroda H

  Institute For Solid State Physics University Of Tokyo

• Tajima Hiroyuki

  Department Of Chemistry Faculty Of Science University Of Tokyo

• Yakushi K

  Institute For Molecular Science

• Yakushi K

  Inst. Molecular Sci. Okazaki

• Yamauchi K

  Tokyo Metropolitan Univ. Tokyo

• Yakushi Kyuya

  Department Of Solid State Chemistry Institute For Molecular Science

• Yakushi Kyuya

  Department Of Chemistry Faculty Of Science University Of Tokyo

• Kuroda Haruo

  Department Of Chemistry Faculty Of Science The University Of Tokyo

• Kobayashi Akiko

  Department Of Cardiology Tokyo Women's Medical University

• Kobayashi Hayao

  Department Of Chemistry Faculty Of Science Toho University

• KATO Riezo

  Department of Chemistry,Faculty of Science,Toho University

• Kobayashi Hayao

  Crest-jst:department Of Chemistry College Of Humanities And Sciences Nihon University:institute For

• Yakushi Kyuya

  Graduate University For Advanced Studies

• Kobayashi Akiko

  Department Of Biopharmaceutics Meiji Pharmaceutical University

• Kobayashi Akiko

  Research Centre For Spectrochemistry Graduate School Of Science The University Of Tokyo

• Tamura Masafumi

  Condensed Molecular Materials Lab., RIKEN

• Kato Reizo

  Condensed Molecular Materials Lab., RIKEN

• Kuroda Haruo

  Department of Chemistry and Research Center for Spectrochemistry, Faculty of Science, The University of Tokyo

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