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Synthesis and characterization of a new organic–inorganic hybrid ferroelectric: (C4H10N)6[InBr6][InBr4]3·H2O

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Abstract

Organic–inorganic hybrid ferroelectric materials have attracted attention from researchers as promising candidates for functional materials, because they combine high performance and low cost. Herein, a new organic–inorganic hybrid ferroelectric material (C4H10N)6[InBr6][InBr4]3·H2O (1) was synthesized and characterized. The compound undergoes a paraelectric–ferroelectric phase transition at TC = 232 K, which is investigated by differential scanning calorimetry (DSC), dielectric measurements and variable-temperature structural analyses. Crystal structure analyses indicated that the disorder–order transition of Br atoms in [InBr4] anions depending on temperature was the main factor driving the phase transition from Pbcn to Pna21. This finding will open up a new direction to probe the organic–inorganic hybrid molecular ferroelectric phase transition materials.

Graphical abstract: Synthesis and characterization of a new organic–inorganic hybrid ferroelectric: (C4H10N)6[InBr6][InBr4]3·H2O

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Publication details

The article was received on 09 Oct 2019, accepted on 03 Nov 2019 and first published on 04 Nov 2019


Article type: Paper
DOI: 10.1039/C9DT03970H
Dalton Trans., 2019, Advance Article

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    Synthesis and characterization of a new organic–inorganic hybrid ferroelectric: (C4H10N)6[InBr6][InBr4]3·H2O

    W. Xin, G. Xu and M. Li, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT03970H

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