Analysis of de Haas-van Alphen oscillations and band structure of an organic superconductor, θ-(BEDT-TTF)2I3

Masafumi Tamura, Haruo Kuroda, Shinya Uji, Haruyoshi Aoki, Madoka Tokumoto, A. G. Swanson, J. S. Brooks, C. C. Agosta, S. T. Hannahs

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27 Citations (Scopus)

Abstract

Analysis of the temperature and field dependence of the de Haas-van Alphen oscillations in an organic superconductor θ-(BEDT-TTF)2I 3 is presented. The cyclotron masses are estimated to be 2.0m e and 3.6me for slow and fast oscillations, respectively. The indication of magnetic breakdown effect is discussed in terms of the geometry of the Fermi surface. The result is compared with those of the infrared reflectance spectra and the empirical tight-binding band calculations.

Original languageEnglish
Pages (from-to)615-622
Number of pages8
JournalJournal of the Physical Society of Japan
Volume63
Issue number2
Publication statusPublished - 1994 Feb

Keywords

  • BEDT-TTF
  • Cyclotron mass
  • De Haas-van Alphen effect
  • Fermi surface
  • Magnetic breakdown
  • Organic superconductor

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Tamura, M., Kuroda, H., Uji, S., Aoki, H., Tokumoto, M., Swanson, A. G., Brooks, J. S., Agosta, C. C., & Hannahs, S. T. (1994). Analysis of de Haas-van Alphen oscillations and band structure of an organic superconductor, θ-(BEDT-TTF)2I3. Journal of the Physical Society of Japan, 63(2), 615-622.