Camphoric acid based ferroelectric hydrogen bonded liquid crystalline materials integration further dielectric relaxations and novel applications

Mohan, M. L. N. Madhu; Pal, Kaushik

doi:10.1016/j.molstruc.2021.130022

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Dielectric Properties1

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2023

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Cited by 6 publications

(1 citation statement)

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“…They attributed this behavior to the polar order and splay deformation caused by a flexoelectric phenomenon. It is worth noticing that this mode is a typical property of polar domains specifically detected in ferroelectric [36,37] and ferrielectric [38,39] phases, but not in the paraelectric and conventional nematic phases. In addition, " slightly increased with respect to the temperature.…”

Section: Dielectric Propertiesmentioning

confidence: 98%

Polar nematic phase in short-chained fluorinated hydrogen-bonded liquid crystals

Fouzai

Dieudonné-George

Guesmi

et al. 2023

Journal of Molecular Liquids

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Section: Dielectric Propertiesmentioning

confidence: 98%

Polar nematic phase in short-chained fluorinated hydrogen-bonded liquid crystals

Fouzai

Dieudonné-George

Guesmi

et al. 2023

Journal of Molecular Liquids

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Evident Dielectric Relaxation in an Organic‐Inorganic Halide Perovskite

Huang

Tian

et al. 2021

Eur J Inorg Chem

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Organic‐inorganic halide perovskites (OIHPs) are increasing in interest due to their potential application prospects in optoelectronics, solar cells, biological research, sensing applications, etc. Although some dielectric response materials with dielectric switches have been reported in the OIHPs, OIHPs with dielectric relaxation have been rare. Herein, we have successfully synthesized a one‐dimensional (1D) organic‐inorganic halide perovskite DMEACdCl3 (DMEA=N,N‐Dimethylethylamine, 1), which displays obvious dielectric relaxation characteristics. The dielectric results between 1 kHz and 1000 kHz reveal that both the dielectric real part and dielectric loss of 1 show apparent anomalies at different frequencies. The dielectric anomalies present distinct relaxation in a wide temperature range of 200 K–375 K, which is well fitted by the Cole‐Cole function. Variable‐temperature single‐crystal structural analysis suggests that the dynamic change of DMEA cations plays a key role in the generation of dielectric relaxation behavior. It is expected that this work will shed light on the exploration of organic‐inorganic halide perovskites with dielectric relaxation.

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Phase-segregated hydrogen bonded thermotropic liquid crystal’s optical shuttering response and electro-optical sensor application

Mohan¹,

Prabu²,

Pal³

2021

Materials Letters

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Camphoric acid based ferroelectric hydrogen bonded liquid crystalline materials integration further dielectric relaxations and novel applications

Cited by 6 publications

References 42 publications

Polar nematic phase in short-chained fluorinated hydrogen-bonded liquid crystals

Polar nematic phase in short-chained fluorinated hydrogen-bonded liquid crystals

Evident Dielectric Relaxation in an Organic‐Inorganic Halide Perovskite

Phase-segregated hydrogen bonded thermotropic liquid crystal’s optical shuttering response and electro-optical sensor application

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