Low temperature superstructure and transfer integrals in κ-(BEDT-TTF)2Cu[N(CN)2]X:X = Cl, Br

M. Watanabe; Y. Nogami; K. Oshima; H. Ito; T. Ishiguro; G. Saito

doi:10.1016/S0379-6779(98)00615-8

Low temperature superstructure and transfer integrals in κ-(BEDT-TTF)₂Cu[N(CN)₂]X:X = Cl, Br

M. Watanabe
, Y. Nogami
, K. Oshima
, H. Ito
, T. Ishiguro
, G. Saito

研究成果 › 査読

24 被引用数 (Scopus)

抄録

Low temperature crystal structures and band parameters were presented for the deuterized (d) and the hydrogenized (h) κ-(BEDT-TTF)₂Cu[N(CN)₂]Cl and for deuterized κ-(BEDT-TTF)₂Cu[N(CN)₂]Br. An enhanced molecular dimerization was observed for the Cl salts. Theoretical prediction by H. Kino and H. Fukuyama that the molecular dimerization stabilizes the Mott insulating state was confirmed. Below 200 K, X-ray diffuse scattering study revealed formation of two dimensional a × 2c superstructure in the deuterized κ -(BEDT-TTF)₂Cu[N(CN)₂]Br. The structural disorder for the d-Br salt was observed in the superstructure and in the terminal ethylenes.

本文言語	English
ページ（範囲）	1909-1910
ページ数	2
ジャーナル	Synthetic Metals
巻	103
号	1-3
DOI	https://doi.org/10.1016/S0379-6779(98)00615-8
出版ステータス	Published - 6月 24 1999
イベント	Proceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98) - Montpellier 継続期間: 7月 12 1998 → 7月 18 1998

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学
材料力学
機械工学
金属および合金
材料化学

文献へのアクセス

10.1016/S0379-6779(98)00615-8

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引用スタイル

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title = "Low temperature superstructure and transfer integrals in κ-(BEDT-TTF)2Cu[N(CN)2]X:X = Cl, Br",

abstract = "Low temperature crystal structures and band parameters were presented for the deuterized (d) and the hydrogenized (h) κ-(BEDT-TTF)2Cu[N(CN)2]Cl and for deuterized κ-(BEDT-TTF)2Cu[N(CN)2]Br. An enhanced molecular dimerization was observed for the Cl salts. Theoretical prediction by H. Kino and H. Fukuyama that the molecular dimerization stabilizes the Mott insulating state was confirmed. Below 200 K, X-ray diffuse scattering study revealed formation of two dimensional a × 2c superstructure in the deuterized κ -(BEDT-TTF)2Cu[N(CN)2]Br. The structural disorder for the d-Br salt was observed in the superstructure and in the terminal ethylenes.",

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T1 - Low temperature superstructure and transfer integrals in κ-(BEDT-TTF)2Cu[N(CN)2]X:X = Cl, Br

AU - Watanabe, M.

AU - Nogami, Y.

AU - Oshima, K.

AU - Ito, H.

AU - Ishiguro, T.

AU - Saito, G.

PY - 1999/6/24

Y1 - 1999/6/24

N2 - Low temperature crystal structures and band parameters were presented for the deuterized (d) and the hydrogenized (h) κ-(BEDT-TTF)2Cu[N(CN)2]Cl and for deuterized κ-(BEDT-TTF)2Cu[N(CN)2]Br. An enhanced molecular dimerization was observed for the Cl salts. Theoretical prediction by H. Kino and H. Fukuyama that the molecular dimerization stabilizes the Mott insulating state was confirmed. Below 200 K, X-ray diffuse scattering study revealed formation of two dimensional a × 2c superstructure in the deuterized κ -(BEDT-TTF)2Cu[N(CN)2]Br. The structural disorder for the d-Br salt was observed in the superstructure and in the terminal ethylenes.

AB - Low temperature crystal structures and band parameters were presented for the deuterized (d) and the hydrogenized (h) κ-(BEDT-TTF)2Cu[N(CN)2]Cl and for deuterized κ-(BEDT-TTF)2Cu[N(CN)2]Br. An enhanced molecular dimerization was observed for the Cl salts. Theoretical prediction by H. Kino and H. Fukuyama that the molecular dimerization stabilizes the Mott insulating state was confirmed. Below 200 K, X-ray diffuse scattering study revealed formation of two dimensional a × 2c superstructure in the deuterized κ -(BEDT-TTF)2Cu[N(CN)2]Br. The structural disorder for the d-Br salt was observed in the superstructure and in the terminal ethylenes.

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DO - 10.1016/S0379-6779(98)00615-8

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JO - Synthetic Metals

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T2 - Proceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98)

Y2 - 12 July 1998 through 18 July 1998

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