Metallic properties of 1:1 charge-transfer salt DMTSA-BF4

K. Yakushi; J. Dong; J. Ouyang; K. Takimiya; T. Otsubo; H. Tajima

doi:10.1016/S0379-6779(98)00924-2

Metallic properties of 1:1 charge-transfer salt DMTSA-BF₄

K. Yakushi, J. Dong, J. Ouyang, K. Takimiya, T. Otsubo, H. Tajima

Research output: Contribution to journal › Conference article › peer-review

Abstract

Although DMTSA-BF₄ has a half-filled band, the electrical resistivity and thermopower shows that this compound is metallic and undergoes metal-insulator transition at ca. 150 K. By polarized reflection spectrum, this compound is characterized as a pseudo-one-dimensional metal with a bandwidth of 0.8 eV. The band calculation suggests a one-dimensional nature of the Fermi surface. The optical transition from the bottom of the conduction band to the top of the folded conduction band is observed in the infrared region. The temperature dependence of the reflection spectrum suggests a strong fluctuation of the lattice dimerization above the phase transition temperature.

Original language	English
Pages (from-to)	2208-2209
Number of pages	2
Journal	Synthetic Metals
Volume	103
Issue number	1-3
DOIs	https://doi.org/10.1016/S0379-6779(98)00924-2
Publication status	Published - 1999 Jun 24
Externally published	Yes
Event	Proceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98) - Montpellier Duration: 1998 Jul 12 → 1998 Jul 18

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Metallic properties of 1:1 charge-transfer salt DMTSA-BF4",

abstract = "Although DMTSA-BF4 has a half-filled band, the electrical resistivity and thermopower shows that this compound is metallic and undergoes metal-insulator transition at ca. 150 K. By polarized reflection spectrum, this compound is characterized as a pseudo-one-dimensional metal with a bandwidth of 0.8 eV. The band calculation suggests a one-dimensional nature of the Fermi surface. The optical transition from the bottom of the conduction band to the top of the folded conduction band is observed in the infrared region. The temperature dependence of the reflection spectrum suggests a strong fluctuation of the lattice dimerization above the phase transition temperature.",

author = "K. Yakushi and J. Dong and J. Ouyang and K. Takimiya and T. Otsubo and H. Tajima",

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T1 - Metallic properties of 1:1 charge-transfer salt DMTSA-BF4

AU - Yakushi, K.

AU - Dong, J.

AU - Ouyang, J.

AU - Takimiya, K.

AU - Otsubo, T.

AU - Tajima, H.

PY - 1999/6/24

Y1 - 1999/6/24

N2 - Although DMTSA-BF4 has a half-filled band, the electrical resistivity and thermopower shows that this compound is metallic and undergoes metal-insulator transition at ca. 150 K. By polarized reflection spectrum, this compound is characterized as a pseudo-one-dimensional metal with a bandwidth of 0.8 eV. The band calculation suggests a one-dimensional nature of the Fermi surface. The optical transition from the bottom of the conduction band to the top of the folded conduction band is observed in the infrared region. The temperature dependence of the reflection spectrum suggests a strong fluctuation of the lattice dimerization above the phase transition temperature.

AB - Although DMTSA-BF4 has a half-filled band, the electrical resistivity and thermopower shows that this compound is metallic and undergoes metal-insulator transition at ca. 150 K. By polarized reflection spectrum, this compound is characterized as a pseudo-one-dimensional metal with a bandwidth of 0.8 eV. The band calculation suggests a one-dimensional nature of the Fermi surface. The optical transition from the bottom of the conduction band to the top of the folded conduction band is observed in the infrared region. The temperature dependence of the reflection spectrum suggests a strong fluctuation of the lattice dimerization above the phase transition temperature.

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