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Issue 44, 2018
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[C7H14NO][ClO4]: order–disorder structural change induced sudden switchable dielectric behaviour at room temperature

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Abstract

An organic–inorganic hybrid compound, [N-oqc]ClO4 (1, N-oqc = N-oxy-quinuclidine cation), was synthesized and characterized. Its structure is defined by the zero-dimensional structure built from the [N-oqc]ClO4 units from end to end. The crystal structure and dielectric constant measurements reveal that 1 undergoes reversible phase transitions at 342/300 K (heating/cooling). The order–disorder motion of [N-oqc]+ and ClO4 are the origin of the static-to-dynamic transition. Notably, there are sudden dielectric switches between high- and low-dielectric states, making it a new switchable dielectric material.

Graphical abstract: [C7H14NO][ClO4]: order–disorder structural change induced sudden switchable dielectric behaviour at room temperature

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Publication details

The article was received on 29 Aug 2018, accepted on 12 Oct 2018 and first published on 16 Oct 2018


Article type: Communication
DOI: 10.1039/C8CE01461B
Citation: CrystEngComm, 2018,20, 7058-7061
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    [C7H14NO][ClO4]: order–disorder structural change induced sudden switchable dielectric behaviour at room temperature

    G. Fan, J. Gao, C. Shi, H. Yu, L. Ye, J. Jiang, C. Shuai, Y. Zhang and H. Ye, CrystEngComm, 2018, 20, 7058
    DOI: 10.1039/C8CE01461B

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