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All Journal Jurnal Ilmu Dasar Makara Journal of Science
Dhyani, Reena
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Control & Systems Engineering Mathematics

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Density Functional Theory (DFT) Study of a Binary Mixture of MBBA and PAA Liquid Crystal for THz Application Mishra, Mirtunjai; Kumar, Narinder; Singh, Pawan; Rawat, B. S.; Dhyani, Reena; Singh, Devendra; Kumar, Devesh
Makara Journal of Science Vol. 26, No. 4
Publisher : UI Scholars Hub

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Abstract

The present scenario expresses the electro-optical effect of abinary mixture of MBBA and PAA liquid crystal studied under the impact of the electric field in THz frequency. The binary mixture has a negative order parameter, negative birefringence, and a nematic phase stability under such an electric field. The refractive index remains constant at high THz frequency. The director angle is sensitive to THz frequency, contributing to the maximum fluctuation. The atomic contribution of a binary mixture is approximately equal to the molecular contribution. The binary mixture has a remarkably high bandgap. The C-H, O-C, C-N atom stretching, and wagging of alkyl chain contribute to the dipolar strength of the binary mixture.
A Review on Physical, Chemical and Optical Properties of Liquid Crystal Singh, Vinod Kumar; Singh, R. K.; Dhyani, Reena; Rawat, B. S.; Rawat, P. S.; Sharma, Hemlata; Kumar, Dr. Narinder
Jurnal ILMU DASAR Vol 24 No 2 (2023)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v24i2.35044

Abstract

The foundation of the upcoming generation of cutting-edge gadgets and digitally augmented technologies is expected to be smart soft materials. Because of their responsiveness and adaptability, liquid crystals (LCs) are promising smart soft materials. In the 20th century, LCs were crucial to changing the information display sector. However, several beyond-display uses for LCs have been proven at the turn of the twentieth century, neatly using their controlled stimuli-responsive and adaptable properties. New LC materials have been developed and engineered for such applications. The review comes close with a summary and viewpoints on the potential and problems facing LCs as smart soft materials. This review is expected to inspire a wide range of concepts for the application of nature's delicate phase of matter in the generation and beyond of smart and augmented devices.
Co-Authors Kumar, Devesh Kumar, Dr. Narinder Kumar, Narinder Mishra, Mirtunjai R. K. Singh Rawat, B. S. Rawat, P. S. Sharma, Hemlata Singh, Devendra Singh, Pawan Singh, Vinod Kumar