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

doi:10.1103/PhysRevB.73.024503

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

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

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 language	English
Article number	024503
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	73
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevB.73.024503
Publication status	Published - 2006
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.73.024503

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Fermi surface of the organic superconductor (MDT-ST) (I3) 0.417 reconstructed by incommensurate potential. / Kawamoto, Tadashi; Mori, Takehiko; Enomoto, Kengo; Konoike, Takako; Terashima, Taichi; Uji, Shinya; Takamori, Ayumi; Takimiya, Kazuo; Otsubo, Tetsuo.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 73, No. 2, 024503, 2006.

Research output: Contribution to journal › Article › peer-review

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AU - Kawamoto, Tadashi

AU - Mori, Takehiko

AU - Enomoto, Kengo

AU - Konoike, Takako

AU - Terashima, Taichi

AU - Uji, Shinya

AU - Takamori, Ayumi

AU - Takimiya, Kazuo

AU - Otsubo, Tetsuo

PY - 2006

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AB - 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.

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

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