2020
DOI: 10.1063/5.0004387
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Electric field dependent polarization switching of tetramethylammonium bromotrichloroferrate(III) ferroelectric plastic crystals

Abstract: Tetramethylammonium bromotrichloroferrate(III) ([N(CH3)4][FeBrCl3]) is a plastic crystal ferroelectric with small dielectric constant <20 and piezoelectric coefficient as high as 110 pC/N. Here, super-coercive hysteresis and dielectric properties under direct current (DC) bias fields up to 260 and 120 kV/cm, respectively, were studied to shed light on the polarization switching [N(CH3)4][FeBrCl3] and the related family of plastic crystal and supramolecular ferroelectrics. [N(CH3)4][FeBrCl3] exhibited pe… Show more

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Cited by 10 publications
(13 citation statements)
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“…The two cation species were chosen because they create significant structural differences. 11,15,17 Tetraethylammonium bromotrichloroferrate(III) [(C 2 H 5 ) 4 N][FeBrCl 3 ], TEA FBC, exhibits a large entropy change across the mesophase transition and has a hexagonal structure (space group P6 3 mc, no. 186).…”
Section: ■ Introductionmentioning
confidence: 99%
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“…The two cation species were chosen because they create significant structural differences. 11,15,17 Tetraethylammonium bromotrichloroferrate(III) [(C 2 H 5 ) 4 N][FeBrCl 3 ], TEA FBC, exhibits a large entropy change across the mesophase transition and has a hexagonal structure (space group P6 3 mc, no. 186).…”
Section: ■ Introductionmentioning
confidence: 99%
“…38) (Figure 1b) and promising multiaxial ferroelectric polarization, substantial electromechanical strains, and a promising piezoelectric coefficient of 110 pC/N. 11,17 These properties make both materials interesting for applications, but the relationship between the composition, structure, and properties are not well understood.…”
Section: ■ Introductionmentioning
confidence: 99%
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“…PCs are typically formed by ‘simple’ neutral organic molecules and, albeit having long‐range positional order, they do show mechanical plasticity [1] . After their initial discovery by Timmermans [2] in 1938, PCs have been studied by various fields, such as ferroelectrics, [3–5] magnetics [6,7] and optics [8] …”
Section: Introductionmentioning
confidence: 99%
“…PCs are typically formed by 'simple' neutral organic molecules and, albeit having long-range positional order, they do show mechanical plasticity. [1] After their initial discovery by Timmermans [2] in 1938, PCs have been studied by various fields, such as ferroelectrics, [3][4][5] magnetics [6,7] and optics. [8] Organic ionic plastic crystals (OIPCs) are considered a subclass of plastic crystals, and similarly to PCs, OIPCs possess longrange order.…”
Section: Introductionmentioning
confidence: 99%