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Dr. Rohit Verma AT: AIAS, Amity University

Sector 125, Noida

Area of Interest

Irradiation induced modifications in liquid crystalline samples.

Thermodynamical, dielectric and electro-optical properties of basic liquid crystalline materials

possessing achiral nematic (N) and smectic (Sm) phases as well as advanced ferroelectric and

antiferroelectric crystalline materials possessing chiral smectic (SmA*, SmC*, SmCA*, SmCα*, SmCβ*,

SmC *, SmI*, and SmBHex) phases.

Preparation and characterization of liquid crystalline-nanoparticle, nanotube and quantum dots

composites.

List of Some Important Publications

INTERNATIONAL

1) R. Dhar, Rohit Verma, M. C. Rath, S. K. Sarkar, V. K. Wadhawan, R. Dabrowaski and M.

Tykarska, “Tuning of the electrical parameters of a twisted-nematic display material by using

electron beam irradiation”, App. Phys. Lett., 92, 014108 (2008). Impact Factor-3.794 (2012)

2) M. C. Rath, S. K. Sarkar, V. K. Wadhawan, Rohit Verma, I. M. L. Das, R. Dabrowski, M.

Tykarska and R. Dhar, “Electron beam irradiation induced changes in liquid- crystal

compound 5CB”, Opto. Elec. Rev., 16, 399 (2008). Impact Factor-0.966 (2012)

3) Rohit Verma, R. Dhar, R. Dabrowski, M. Tykarska, V. K. Wadhawan, M. C. Rath and S. K.

Sarkar, “Electron beam irradiation induced transformations in the electro-optical and

dielectric properties of a twisted nematic display material (5CB)”, J. Phys. D: App. Phys., 42,

085503 (2009). Impact Factor-2.528 (2012)

4) Rohit Verma, R. Dhar, V. K. Agrawal, M. C. Rath, S. K. Sarkar, V. K. Wadhawan, R.

Dabrowski and M. Tykarska, “Electron beam irradiation induced transformations in the

electrical properties of 4’-octyl-4-cynobiphenyl (8CB)”, Liq. Cryst., 36, 1003 (2009). Impact

Factor-1.959 (2012)

5) Rohit Verma, R. Dhar, M. C. Rath, S. K. Sarkar, V. K. Wadhawan, R. Dabrowski and M.

Tykarska, “Optimization of the Display Parameters of a Room Temperature Nematic

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Material (6CHBT) by Using Electron Beam Irradiation”, J. Disp. Tech., 6, 8-13 (2010). Impact

Factor-2.28 (2012)

6) Rohit Verma, R. Dhar, V. K. Agrawal, I. M. L. Das, M. C. Rath, S. K. Sarkar, V. K.

Wadhawan, and R. Dabrowski, “Changes in the Dielectric Parameters of an Antiferroelectric

Material (Racemic Mixture) Due to Electron Beam Irradiation”, Mol. Cryst. Liq. Cryst., 547,

18-24 (2011). Impact Factor-0.54 (2012)

7) Saurabh N. Paul, R. Dhar, Rohit Verma, Shobha Sharma and R. Dabrowski, “Change in

Dielectric and Electro-Optical Properties of a Nematic Material (6CHBT) due to the

Dispersion of BaTiO3 Nanoparticles”, Mol. Cryst. Liq. Cryst., 545, 105-111 (2011). Impact

Factor-0.54 (2012)

8) Rohit Verma, R. Dhar, R. Dabrowski, “Effect of Electron Irradiation on the

thermodynamical and optical properties of Cholesteryl Pelargonate (ChP)” Benthem Open J

Crystallography, 4, 40, (2011).

9) Rohit Verma, R. Dhar, V. K. Agrawal, M. C. Rath, S. K. Sarkar, V. K. Wadhawan, R.

Dabrowski and M. Tykarska, “Electron beam irradiation effects on the dielectric and electro

optical properties of a twisted nematic display material 4-(trans-4-n-hexylcyclohexyl)

isothiocyanatobenzoate (6CHBT)” J. Phys. Chem. Solids, 73, 288 (2012). Impact Factor-1.632

(2012)

10) M. B. Pandey, Rohit Verma, R. Dhar , “Dielectric and Electro-Optical Properties of

Antiferroelectric Liquid Crystalline Materials”, Isra. J Chem., 52, 895 (2012). Impact Factor-

3.025 (2012)

11) Shraddha, Navneet Chaturvedi, S. N. Tiwari, Rohit Verma, Abhay S. Pandey and R. Dhar,

Thermodynamical, optical and electrical properties of bicomponent mixtures of liquid crystals:

Cholesteryl Myristate and 4-n-Decyloxy Benzoic Acid, J. Therm. Analy. Calori. (2012). Impact

Factor-1.982 (2012)

12) Rohit Verma, Ambuj Tripathi and R. Dhar, “Enhancement in the thermal stability of the

mesophases of 4-n-(decyloxy) benzoic acid due to Li ion beam irradiation”, J. Mol. Liq., 177,

409 (2013). Impact Factor-1.580 (2012)

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