Journal of Molecular Liquids

2017

DOI: 10.1016/j.molliq.2016.12.080

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Optical, morphological and dielectric characterization of MBBA liquid crystal-doped hydrogels

P. R. G. Fernandes

¹

,

Keila A. da Silva

²

,

³

et al.

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Cited by 13 publications

(2 citation statements)

References 22 publications

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“…The complex dielectric constant can be shown as following by

true ϵ^{^{*}} ((), ω) = ϵ^{^{'}} ((), ω) - normali ϵ^{^{'}^{'}} ((), ω) = ϵ_{\infty} + \frac{ϵ_{s} - ϵ_{\infty}}{{1 + (normali ω τ)}^{1 - α}}

…”

Section: Resultsmentioning

confidence: 99%

“…α is absorption coefficient. The loss tangent or dissipation factor can be shown as the ratio of imaginary component of the complex dielectric constant to real component of the complex dielectric constant (tan δ=ϵ′′(ω)/ϵ′ (ω)) …”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Dielectric Parameters of a Benzoate‐Based Chiral Rod‐Like Liquid Crystal

¹

,

²

2019

ChemistrySelect

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In this study, the mesomorphic properties and dielectric parameters of a benzoate-based chiral rod-like liquid crystal 4-[4-(S)-3,7-Dimethyloctyloxybenzoyloxy]benzoic acid (DMOBB) were investigated. The rod-like liquid crystal with (S)-3,7-Dimethyloctyloxy chiral moiety exhibits enantiotropically chiral nematic (N*) phase and a wide-temperature chiral tilted smectic phase (SmC*) which is of a great interest due to broad application prospects. Dielectric Parameters of DMOBB chiral liquid crystal have been characterized by impedance spectroscopy in the frequency range between 1 Hz and 10 MHz at range of between 25°C and 200°C. In difference to the earlier works, this study provides a detailed investigation of the dielectric parameters of benzoate-based chiral rod-like liquid crystal.[a] Dr.

“…The complex dielectric constant can be shown as following by

true ϵ^{^{*}} ((), ω) = ϵ^{^{'}} ((), ω) - normali ϵ^{^{'}^{'}} ((), ω) = ϵ_{\infty} + \frac{ϵ_{s} - ϵ_{\infty}}{{1 + (normali ω τ)}^{1 - α}}

…”

Section: Resultsmentioning

confidence: 99%

“…α is absorption coefficient. The loss tangent or dissipation factor can be shown as the ratio of imaginary component of the complex dielectric constant to real component of the complex dielectric constant (tan δ=ϵ′′(ω)/ϵ′ (ω)) …”

Section: Resultsmentioning

confidence: 99%

Dielectric Parameters of a Benzoate‐Based Chiral Rod‐Like Liquid Crystal

¹

,

²

2019

ChemistrySelect

View full text Add to dashboard Cite

In this study, the mesomorphic properties and dielectric parameters of a benzoate-based chiral rod-like liquid crystal 4-[4-(S)-3,7-Dimethyloctyloxybenzoyloxy]benzoic acid (DMOBB) were investigated. The rod-like liquid crystal with (S)-3,7-Dimethyloctyloxy chiral moiety exhibits enantiotropically chiral nematic (N*) phase and a wide-temperature chiral tilted smectic phase (SmC*) which is of a great interest due to broad application prospects. Dielectric Parameters of DMOBB chiral liquid crystal have been characterized by impedance spectroscopy in the frequency range between 1 Hz and 10 MHz at range of between 25°C and 200°C. In difference to the earlier works, this study provides a detailed investigation of the dielectric parameters of benzoate-based chiral rod-like liquid crystal.[a] Dr.

The synthesis and investigation of mesomorphic, dielectric, and electro-optic behavior of novel chiral imine-based rod-like liquid crystal

Ceylan-Erdoğan

¹

,

²

,

³

et al. 2021

J Mater Sci: Mater Electron

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No abstract

The synthesis, mesomorphic and dielectric investigation of new unsymmetrical bent-core mesogens derived from 3-hydroxybenzoic acid

¹

,

²

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³

et al. 2020

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No abstract

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