A charge-disproportionate ordered state with δ = 0.75 in a chemically sensitive donor/acceptor Dδ+2A2δ− layered framework

Hiroki Fukunaga; Takafumi Yoshino; Hajime Sagayama; Jun-ichi Yamaura; Taka-hisa Arima; Wataru Kosaka; Hitoshi Miyasaka

doi:10.1039/C5CC01633A

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A charge-disproportionate ordered state with δ = 0.75 in a chemically sensitive donor/acceptor D^δ+₂A^2δ− layered framework†

Hiroki Fukunaga,^a Takafumi Yoshino,^b Hajime Sagayama,^c Jun-ichi Yamaura,^d Taka-hisa Arima,^e Wataru Kosaka^af and Hitoshi Miyasaka*^af

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* Corresponding authors

^a Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan

^b Department of Chemistry, Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan

^c Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan

^d Materials Research Center for Element Strategy, Tokyo Institute of Technology, Yokohama, Kanagawa 226-8503, Japan

^e Department of Advanced Materials Science, The University of Tokyo, Kashiwa 277-8561, Japan

^f Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
E-mail: miyasaka@imr.tohoku.ac.jp

Abstract

A novel charge-disproportionation state with δ = 0.75 was observed in an electron-donor (D)/-acceptor (A) D^δ+₂A^2δ− layered framework by chemically tuning the electron-donating affinity of D at the boundary between D^0.5+₂A⁻ and D⁺₂A²⁻ phases, which was pressure-sensitive due to the formation of the D⁺₂A²⁻ oxidation state.

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Article information

DOI: https://doi.org/10.1039/C5CC01633A
Article type: Communication
Submitted: 24 Feb 2015
Accepted: 17 Mar 2015
First published: 17 Mar 2015

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Chem. Commun., 2015,51, 7795-7798

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A charge-disproportionate ordered state with δ = 0.75 in a chemically sensitive donor/acceptor D^δ+₂A^2δ− layered framework

H. Fukunaga, T. Yoshino, H. Sagayama, J. Yamaura, T. Arima, W. Kosaka and H. Miyasaka, Chem. Commun., 2015, 51, 7795 DOI: 10.1039/C5CC01633A

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Chemical Communications