Smectic-C to smectic-CA phase transition in the mixture of antiferroelectric liquid crystal and graphene

The effect of graphene nanoparticles on the smectic-C* to smectic-C* A (SmC* to SmC* A ) phase transition in antiferroelectric liquid crystal is studied theoretically. Model free energy is based on Flory-Huggins free energy of isotropic mixing and Landau theory of phase transition. The effect of gra...

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Bibliographic Details
Published inFerroelectrics Vol. 614; no. 1; pp. 137 - 144
Main Author Mukherjee, Prabir K.
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis 03.10.2023
Taylor & Francis Ltd
Subjects
Antiferroelectric liquid crystals
Antiferroelectricity
Free energy
Graphene
Liquid crystals
Nanoparticles
Phase transitions
Qualitative analysis
Thermodynamics
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Summary:The effect of graphene nanoparticles on the smectic-C* to smectic-C* A (SmC* to SmC* A ) phase transition in antiferroelectric liquid crystal is studied theoretically. Model free energy is based on Flory-Huggins free energy of isotropic mixing and Landau theory of phase transition. The effect of graphene nanoparticles concentration on tilt angle, spontaneous polarization and dielectric susceptibility in the smectic-C* A phase of the SmC* to SmC* A phase transition has been studied extensively. The qualitative agreement between theoretical and experimental results is found.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150193.2023.2227082