Search Results - "Vijayakumar, V.N."

Optical, thermal and dielectric studies in linear hydrogen bonded liquid crystal homologous series by Vijayakumar, V.N., Madhu Mohan, M.L.N.

“…► A novel HBLC homologous series has been synthesized and characterized. ► A new ribbon texture is characterized. ► Optical shuttering action has been…”
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Characterization of a hydrogen bonded liquid crystal homologous series: Detailed FTIR studies in various mesophases by Pongali Sathya Prabu, N., Vijayakumar, V.N., Madhu Mohan, M.L.N.

“…► A novel homologous series of HBLC have been characterized. ► A new FTIR spectra recording technique is proposed. ► Conventional and proposed FTIR spectra are…”
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Study of thermal and electrical properties exhibited by two ferroelectric self assembly systems by Vijayakumar, V.N., Madhu Mohan, M.L.N.

“…Two series of inter hydrogen bonded ferroelectric liquid crystals have been isolated. In one of the series hydrogen bond is formed between p- n-alkyloxy…”
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Thermally controlled optical shutter in an inter-molecular hydrogen bonded liquid crystal by Vijayakumar, V.N., Madhu Mohan, M.L.N.

“…Novel homologs series of supra-molecular liquid crystals have been isolated. Hydrogen bond is formed between mandelic acid (MD) and various homologs of p-…”
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Electronic and structure conformational analysis (HOMO-LUMO, MEP, NBO, ELF, LOL, AIM) of hydrogen bond binary liquid crystal mixture: DFT/TD-DFT approach by Sundaram, S., Vijayakumar, V.N., Balasubramanian, V.

“…[Display omitted] •Topological analysis explain the strong intermolecular H-bond interaction in the HBLC.•EICT study infers the charge transfer between…”
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Investigation on induced smectic phases in double hydrogen bond liquid crystal complexes derived from aromatic carboxylic acids: Experimental and quantum chemical approaches by Valarmathi, P., Sundaram, S., Vijayakumar, V.N., Saravanakumar, M.

“…[Display omitted] •The synthesized HBLC complexes induced Sm F and Sm G mesophases.•Induced mesophases and its molecular arrangement have been explored via DFT…”
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Experimental and theoretical (DFT) approaches on novel ternary liquid crystals derived from asymmetric aromatic dicarboxylic acid by Sundaram, S., Vijayakumar, V.N., Balasubramanian, V., Chitravel, T., Sukanya, R.

“…[Display omitted] •MCA + HPA + nOBA, n = 6 to 12 (1:1:1 mol ratio) novel ternary liquid crystals (TLC) derived from asymmetric aromatic dicarboxylic…”
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Theoretical (DFT) and experimental studies on multiple hydrogen bonded liquid crystals comprising between aliphatic and aromatic acids by Sundaram, S., Jayaprakasam, R., Dhandapani, M., Senthil, T.S., Vijayakumar, V.N.

“…Liquid crystalline complex has been designed from non-mesogenic citric acid (CA) and mesogenic 4-undecyloxybenzoic acid (11OBA) in different mole ratio by…”
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Hydrogen bond thermotropic ferroelectric liquid crystal of DL-tartaric acid and 4-heptyloxybenzoic acid (1:1): Experimental and density functional theory (DFT) approach by Vijayakumar, V.N., Chakravarty, Sujay, Sundaram, S., Chitravel, T., Balasubramanian, V., Sukanya, R., Tharani, A.

“…•Hyperpolarizability endorses HBTFLC is a potent candidate for NLO applications.•H-bonds inducing higher order sm F* & sm G* phase due to layered…”
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Acoustic shock wave processing on amorphous carbon quantum dots – correlation between spectroscopic-morphological–magnetic and electrical conductivity properties by Aswathappa, Sivakumar, Dai, Lidong, Sahaya Jude Dhas, S., Matheswaran, Priyadharshini, Kumar, Raju Suresh, Thangavel, Vasanthi, Vijayakumar, V.N.

“…In this context, we report the acoustic shock wave processing on amorphous Carbon quantum dots (a-CQD) such that its degree of graphitization and magnetic…”
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Assessment of acoustic shock wave resistance of SiO2 (α-cristobalite): A potential material for aerospace and defense industry applications by Aswathappa, Sivakumar, Lidong, Dai, Britto Dhas, S.A. Martin, Kumar, Raju Suresh, Thangavel, Vasanthi, Vijayakumar, V.N.

“…In the present research article, the acoustic shock wave-resistant efficiency of silica microparticles (SiO2-α-cristobalite)) has been experimentally evaluated…”
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Detailed analysis of induced smectic phases and paramorphic effect of double hydrogen bonded ferroelectric liquid crystals by Subhasri, P., Rajakumar, K., Balamuralikrishnan, S., Vijayakumar, V.N.

“…A novel double hydrogen bonded ferroelectric liquid crystal (HBFLC) complex was isolated from (R)-(+)-Methylsuccinic acid (RMSA) and 4-Nonyloxybenzoic acid…”
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Experimental evidence on the sustainability of crystallographic and chiral symmetry of L-alanine under dynamic shocked conditions by Aswathappa, Sivakumar, Dai, Lidong, Dhas Sathiyadhas, Sahaya Jude, Dhas Sathiyadhas Amalapushpam, Martin Britto, Thangavel, Vasanthi, Vijayakumar, V.N., Kumar, Raju Suresh, Almansour, Abdulrahman I.

“…•Crystallographic phase stability of L-alanine at shocked conditions is reported.•Structure—chirality property relationship of the test sample is…”
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Shock wave recovery experiments on poly-crystalline tri-glycine sulfate – X-ray and Raman analyses by Sivakumar, A., Saranraj, A., Dhas, S. Sahaya Jude, Vasanthi, T., Vijayakumar, V.N., Sivaprakash, P., Pushpanathan, V., Arumugam, S., Dai, Lidong, Dhas, S.A. Martin Britto

“…•Crystallographic phase stability of the poly-crystalline TGS sample at shocked conditions is reported.•XRD and Raman results show the stable crystal structure…”
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Unveiling the molecular insights of 2-(carboxymethyl) benzoic acid: A density functional theory approach towards structural and biological attributes by Sundaram, S., Praveena, R., Cheerlin Mishma, J.N., Shashwath, V.R., Joseph, Ginson P., Balasubramanian, V., Muthu, S., Chakravarty, Sujay, Vijayakumar, V.N.

“…[Display omitted] •Global reactive parameters, structural and topological studies provides the clear insight of the compound.•Chemical reactivity of the…”
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Theoretical studies (DFT) on hydrogen bonded liquid crystal derived from 4-amino and 4-dodecyloxy benzoic acids by Vasanthi, T., Balasubramanian, V., Vijayakumar, V.N.

“…•Lower kinetic energy and energy band gap of HBLC complex is evaluated using HOMO and LUMO analysis.•Lower chemical softness energy in ABA + 12OBA complex…”
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Experimental Observation of Induced Thermochromic Effect and Nematic Defects in Hydrogen Bonded Liquid Crystals by Vasanthi, T., Balasubramanian, V, Radjarejesri, S., Vijayakumar, V.N.

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Observation of paramorphic phenomenon and non-tilted orthogonal smectic phases in hydrogen bonded ferroelectric liquid crystals for photonic applications by Subhasri, P., Venugopal, D., Jayaprakasam, R., Chitravel, T., Vijayakumar, V.N.

“…A new class of hydrogen bonded ferroelectric liquid crystals (HBFLC) have been designed and synthesized by intermolecular hydrogen bonds between mesogenic…”
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Double hydrogen bonded ferroelectric liquid crystals: A study of field induced transition (FiT) by Vijayakumar, V.N., Madhu Mohan, M.L.N.

“…A novel series of chiral hydrogen bonded liquid crystals have been isolated. Hydrogen bond was formed between chiral nonmesogen ingredient levo tartaric acid…”
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Optical and thermal characterization of thermotropic hydrogen bonded liquid crystal mixture by V, Balasubramanian, A, Ramya, S, Radjarejesri, V.N, Vijayakumar

“…•IA + 11OBA HBLC mixture reveals the multicolored nematic phase with luminescence property.•Schlieren texture with brush is induced due to the symmetry…”
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