Current-induced metallic state in an organic (EDT-TSF)2GaCl 4 conductor

Hisataka Endo; Tadashi Kawamoto; Takehiko Mori; Ichiro Terasaki; Toru Kakiuchi; Hiroshi Sawa; Mie Kodani; Kazuo Takimiya; Tetsuo Otsubo

doi:10.1021/ja062277q

Current-induced metallic state in an organic (EDT-TSF)₂GaCl ₄ conductor

Hisataka Endo, Tadashi Kawamoto, Takehiko Mori, Ichiro Terasaki, Toru Kakiuchi, Hiroshi Sawa, Mie Kodani, Kazuo Takimiya, Tetsuo Otsubo

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

13 Citations (Scopus)

Abstract

A newly prepared organic conductor, (EDT-TSF)₂GaCl₄, shows considerable nonlinear conductance in the insulating state below 20 K, and a metallic state is restored by the application of moderate currents. This conductor has a stacking structure with a quasi-one-dimensional open Fermi surface, similar to the sulfur analogues. Since the interchain interaction is enhanced by the selenium substitution, the static magnetic susceptibility as well as ESR does not show any anomaly around 20 K, and low-temperature X-ray investigation does not show any extra spots. Isostructural (EDT-TSF)₂FeCl₄ shows similar conducting properties, although the magnetic interaction of the anion is weak. Like this, nonlinear conductance is a versatile tool to restore a metallic state when the metal-insulator transition is almost suppressed.

Original language	English
Pages (from-to)	9006-9007
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	128
Issue number	28
DOIs	https://doi.org/10.1021/ja062277q
Publication status	Published - 2006 Jul 19
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja062277q

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Current-induced metallic state in an organic (EDT-TSF)₂GaCl ₄ conductor. / Endo, Hisataka; Kawamoto, Tadashi; Mori, Takehiko; Terasaki, Ichiro; Kakiuchi, Toru; Sawa, Hiroshi; Kodani, Mie; Takimiya, Kazuo; Otsubo, Tetsuo.

In: Journal of the American Chemical Society, Vol. 128, No. 28, 19.07.2006, p. 9006-9007.

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

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abstract = "A newly prepared organic conductor, (EDT-TSF)2GaCl4, shows considerable nonlinear conductance in the insulating state below 20 K, and a metallic state is restored by the application of moderate currents. This conductor has a stacking structure with a quasi-one-dimensional open Fermi surface, similar to the sulfur analogues. Since the interchain interaction is enhanced by the selenium substitution, the static magnetic susceptibility as well as ESR does not show any anomaly around 20 K, and low-temperature X-ray investigation does not show any extra spots. Isostructural (EDT-TSF)2FeCl4 shows similar conducting properties, although the magnetic interaction of the anion is weak. Like this, nonlinear conductance is a versatile tool to restore a metallic state when the metal-insulator transition is almost suppressed.",

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AU - Endo, Hisataka

AU - Kawamoto, Tadashi

AU - Mori, Takehiko

AU - Terasaki, Ichiro

AU - Kakiuchi, Toru

AU - Sawa, Hiroshi

AU - Kodani, Mie

AU - Takimiya, Kazuo

AU - Otsubo, Tetsuo

PY - 2006/7/19

Y1 - 2006/7/19

N2 - A newly prepared organic conductor, (EDT-TSF)2GaCl4, shows considerable nonlinear conductance in the insulating state below 20 K, and a metallic state is restored by the application of moderate currents. This conductor has a stacking structure with a quasi-one-dimensional open Fermi surface, similar to the sulfur analogues. Since the interchain interaction is enhanced by the selenium substitution, the static magnetic susceptibility as well as ESR does not show any anomaly around 20 K, and low-temperature X-ray investigation does not show any extra spots. Isostructural (EDT-TSF)2FeCl4 shows similar conducting properties, although the magnetic interaction of the anion is weak. Like this, nonlinear conductance is a versatile tool to restore a metallic state when the metal-insulator transition is almost suppressed.

AB - A newly prepared organic conductor, (EDT-TSF)2GaCl4, shows considerable nonlinear conductance in the insulating state below 20 K, and a metallic state is restored by the application of moderate currents. This conductor has a stacking structure with a quasi-one-dimensional open Fermi surface, similar to the sulfur analogues. Since the interchain interaction is enhanced by the selenium substitution, the static magnetic susceptibility as well as ESR does not show any anomaly around 20 K, and low-temperature X-ray investigation does not show any extra spots. Isostructural (EDT-TSF)2FeCl4 shows similar conducting properties, although the magnetic interaction of the anion is weak. Like this, nonlinear conductance is a versatile tool to restore a metallic state when the metal-insulator transition is almost suppressed.

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