Fermi surface of the organic superconductor (MDT-ST) (I3) 0.417 reconstructed by incommensurate potential

Tadashi Kawamoto, Takehiko Mori, Kengo Enomoto, Takako Konoike, Taichi Terashima, Shinya Uji, Ayumi Takamori, Kazuo Takimiya, Tetsuo Otsubo

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11 Citations (Scopus)


The effect of incommensurate potential on Fermi surface (FS), which loses any translational symmetry in the energy bands, is investigated in the organic superconductor (MDT-ST) (I3) 0.417, where MDT-ST is 5H -2-(1,3-dithiol-2- ylidene)-1,3-diselena-4,6-dithiapentalene. The observed three fundamental Shubnikov-de Haas oscillations are explained by the reconstruction with the three times of the incommensurate anion periodicity. This unambiguously verifies the selection rule of the reconstructing vectors in incommensurate crystals. The angular magnetoresistance oscillations show that the FS has a p -type staggered corrugation with two nodes in the interlayer transfer integral.

Original languageEnglish
Article number024503
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number2
Publication statusPublished - 2006
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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