Polarization loss in the organic ferroelectric trialkylbenzene-1,3,5-tricarboxamide (BTA)

A.V. Gorbunov, X. Meng, I. Urbanaviciute, T. Putzeys, M. Wübbenhorst, R.P. Sijbesma, M. Kemerink (Corresponding author)

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Abstract

We investigate the polarization loss in the archetypical molecular organic ferroelectric trialkylbenzene-1,3,5-tricarboxamide (BTA). We prove that the polarization loss is due to thermally activated R-relaxation, which is a collective reversal of the amide dipole moments in ferroelectric domains. By applying a weak electrostatic field both the polarization loss and the R-relaxation are suppressed, leading to an enhancement of the retention time by at least several orders of magnitude. Alternative loss mechanisms are discussed and ruled out. By operating the thin-film devices slightly above the crystalline to liquid crystalline phase transition temperature the retention time of one compound becomes more than 12 hours even in absence of supportive bias, which is among the longest reported so far for organic ferroelectric materials.

Original languageEnglish
Pages (from-to)3192-3200
Number of pages9
JournalPhysical Chemistry Chemical Physics
Volume19
Issue number4
DOIs
Publication statusPublished - 2017

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Ferroelectric materials
Polarization
polarization
Crystalline materials
Thin film devices
ferroelectric materials
Dipole moment
Amides
amides
dipole moments
Phase transitions
transition temperature
Electric fields
electric fields
augmentation
Liquids
liquids
thin films

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Gorbunov, A. V., Meng, X., Urbanaviciute, I., Putzeys, T., Wübbenhorst, M., Sijbesma, R. P., & Kemerink, M. (2017). Polarization loss in the organic ferroelectric trialkylbenzene-1,3,5-tricarboxamide (BTA). Physical Chemistry Chemical Physics, 19(4), 3192-3200. https://doi.org/10.1039/c6cp08015d
Gorbunov, A.V. ; Meng, X. ; Urbanaviciute, I. ; Putzeys, T. ; Wübbenhorst, M. ; Sijbesma, R.P. ; Kemerink, M. / Polarization loss in the organic ferroelectric trialkylbenzene-1,3,5-tricarboxamide (BTA). In: Physical Chemistry Chemical Physics. 2017 ; Vol. 19, No. 4. pp. 3192-3200.
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Gorbunov, AV, Meng, X, Urbanaviciute, I, Putzeys, T, Wübbenhorst, M, Sijbesma, RP & Kemerink, M 2017, 'Polarization loss in the organic ferroelectric trialkylbenzene-1,3,5-tricarboxamide (BTA)', Physical Chemistry Chemical Physics, vol. 19, no. 4, pp. 3192-3200. https://doi.org/10.1039/c6cp08015d

Polarization loss in the organic ferroelectric trialkylbenzene-1,3,5-tricarboxamide (BTA). / Gorbunov, A.V.; Meng, X.; Urbanaviciute, I.; Putzeys, T.; Wübbenhorst, M.; Sijbesma, R.P.; Kemerink, M. (Corresponding author).

In: Physical Chemistry Chemical Physics, Vol. 19, No. 4, 2017, p. 3192-3200.

Research output: Contribution to journalArticleAcademicpeer-review

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