Progress in radiations induced engineering of liquid crystals properties for high-performance applications

J Prakash, D Varshney, S Chauhan, A Kaushik… - Physics Reports, 2023 - Elsevier
From the time of their revelation, liquid crystals (LCs) are stimulating scientific curiosity in the
basic and applied research of these materials as they simultaneously encompass the …

Synthesis and characterization of semiconducting copper oxide nanoparticles and their impact on the physical properties of a nematic liquid crystalline material 4 …

M Jaiswal, G Srivastava, S Mishra, PK Singh… - Journal of Molecular …, 2023 - Elsevier
Green synthesis of nanoparticles is a biological, eco-friendly and less expensive method
which is free from chemical contaminants. In this work, copper oxide nanoparticles (CuO …

Tunable dielectric and memory features of ferroelectric layered perovskite Bi4Ti3O12 nanoparticles doped nematic liquid crystal composite

D Varshney, K Yadav, J Prakash, H Meena… - Journal of Molecular …, 2023 - Elsevier
Herein, we report the synthesis of ferroelectric layered perovskite Bi 4 Ti 3 O 12 (BT4)
nanoparticles (NPs) and the temperature-dependent dielectric and electro-optical …

Functionalized and non-functionalized multi walled carbon nanotubes in the anisotropic media of liquid crystalline material

PK Singh, P Dubey, R Dhar, R Dabrowski - Journal of Molecular Liquids, 2023 - Elsevier
We report the effect of dispersion of functionalized and non-functionalized multi walled
carbon nanotubes on the thermodynamic, dielectric, optical and electro-optical properties of …

An impedance model to improve the higher frequency limit of electrical measurements on the capacitor cell made from electrodes of finite resistances

R Dhar - 2004 - nopr.niscpr.res.in
Measurement of the frequency dependent dielectric permittivity (< img src='/image/spc_char/
italics_e. gif'border= 0>') and loss (< img src='/image/spc_char/italics_e. gif'border= 0>'') of …

Enhancement of dielectric and electro-optical characteristics of liquid crystalline material 4′-octyl-4-cyano-biphenyl with dispersed functionalized and …

PK Singh, R Dhar, R Dabrowski - Physical Review E, 2023 - APS
For recent applications, liquid crystal-carbon nanotube based nanocomposite systems have
been proven to be highly attractive. In this paper, we give a thorough analysis of a …

Improvement in the electro-optical and electronic properties of the reduced graphene oxide dispersed in a liquid crystalline material 4'-octyl-4-cyano-biphenyl

PK Singh, P Dubey, R Dhar, R Dabrowski - Liquid Crystals, 2023 - Taylor & Francis
ABSTRACT Herein, a small concentration (0.05 wt%) of reduced graphene oxide is
dispersed in the liquid crystalline media. Thermodynamic study shows the reduction of the …

Magnified charge carrier conduction, permittivity, and mesomorphic properties of columnar structure of a room temperature discotic liquid crystalline material due to …

R Uttam, S Kumar, R Dhar - Physical Review E, 2020 - APS
Liquid crystal nanocomposites have been a hot topic of research due to optimization of
physical properties with such blending. There are several reports on enhancement of …

The association of structural chirality and liquid crystal anchoring in polymer stabilized cholesteric liquid crystals

BP Radka, T Lee, II Smalyukh, TJ White - Soft Matter, 2024 - pubs.rsc.org
Polymer stabilized cholesteric liquid crystals (PSCLCs) are electrically reconfigurable
reflective elements. Prior studies have hypothesized and indirectly confirmed that the electro …

Improvement in electro-optical and dielectric characteristics of ZnO nanoparticles dispersed in a nematic liquid crystal mixture

A Sharma, P Malik, R Dhar, P Kumar - Bulletin of Materials Science, 2019 - Springer
Reported herein is the effect of dispersion of a fixed amount of 0.5%(wt/wt) ZnO
nanoparticles (NPs) in a nematic (E7) liquid crystal (LC) mixture. Dispersion of ZnO NPs …