DEPARTMENT.FACULTY
- DEPARTMENT_STAFF.QUALIFICATION
Ph.D.
- DEPARTMENT_STAFF.DESIGNATION
Associate Professor
- DEPARTMENT_STAFF.THRUST_AREA
Soft Condensed Matter Physics, Non-linear optics of colloidal suspensions, Liquid crystal based biosensors
- DEPARTMENT_STAFF.ADDRESS
Department of Physics, Aligarh Muslim University, Aligarh - 202002
- DEPARTMENT_STAFF.MOBILE
9023440170
- DEPARTMENT_STAFF.EMAIL
jpsphysics@gmail.com
- DEPARTMENT_STAFF.TIME_TABLE
2021-22 Semester I2020-21 Semester II2021-22 Semester II2024-25 Semester I
Dr. Jai Prakash is an Associate Professor in the Department of Physics, Aligarh Muslim University. He joined the department on September 2015 as an Assistant Professor and became Associate Professor on February 2024. Prior to join AMU, he has worked as an Assistant Professor at Centre for Physical and Mathematical Sciences, Central University of Punjab, Bathinda for more than 2 years. His research background involves Soft condensed matter physics, Non-linear optics of colloidal suspension, Liquid crystal based applications. He got his B.Sc. from Agra University in 2001. He received his M.Sc. in 2003 from Aligarh Muslim University Aligarh. He later worked as a CSIR-JRF at Indian Institute of Technology Delhi and CSIR - National Physical Laboratory, New Delhi on various research projects including dielectric and electro-optical properties of ferroelectric liquid crystals, optical devices based on liquid crystals etc.
In 2010, he completed his Ph.D. in area of effect of nanomaterials on the electro-optical properties of ferroelectric liquid crystals and their applications from Indian Institute of Technology Delhi. After his doctoral thesis, he joined United States Air Force Office of Scientific Research (USAFOSR) Postdoctoral Scholarship at San Francisco State University, San Francisco, USA. There, he worked with Prof. Zhigang Chen on nonlinear optical properties of colloidal suspensions.
Dr. Prakash has published two book chapters (1 in Elsevier and 1 in Springer), 89 research papers in leading international journals. He has 4 patents (3 Granted and 2 filed) to his credit. The citation of his published papers is more than 2500 and h-index is 24 (As per Scopus and Web of Science). He has presented his research in 64 National/International conferences/workshops/seminar. He has also qualified various national level examinations (such as CSIR-UGC NET, GATE, JEST, UPSLET etc.)
In 2012, Department of Science and Technology, Govt. of India awarded him with prestigious INSPIRE Faculty award. This research award gives five years of funding (35 Lakhs, 7 Lakhs per annum). He joined his INSPIRE Faculty Award at CSIR - National Physical Laboratory, New Delhi and pursued research work on ''Exploration of electro-optical properties of nano-materials doped ferroelectric liquid crystals and their application in the fabrication of optical devices''.
He is also the recipient of Young Scientist Award under Science and Engineering Research Board Fast Track Scheme for young scientists in physical sciences by Department of Science and Technology (DST), New Delhi, India.
In the year 2020, he has become the member of Indian National Young Academy of Science (INYAS), Indian National Science Academy (INSA), New Delhi.
In year 2021, he has been awarded the membership of National Academy of Sciences (NASI) Allahabad.
He has also been awarded with a Bronze Medal Award by the Indian Liquid Crystal Society (ILCS), Centre for Nano and Soft Matter Sciences (CeNS), Bengaluru for his contributions to the study of Liquid Crystal and their applications.
In the year 2024, he has been selected for membership of prestigious Global Young Academy (GYA), Germany and awarded IAPT - Deenbadhu Sahu Memorial Award by Indian Association of Physics Teachers.
- Key Publications
Jai Prakash, Depanshu Varshney, Shikha Chauhan, Ajeet Kaushik, Yogendra Kumar Mishra “Progress in radiations induced engineering of liquid crystals properties for high-performance applications Physics Reports, 1015, 1-23 (2023). Impact Factor: 30.51
1. Sidra Khan, Jai Prakash, Shikha Chauhan, Amit Choudhary, and Ashok M. Biradar, “Weak anchoring resolved substrate interface and bulk mode processes in surface stabilized ferroelectric liquid crystal” Journal of Molecular Liquids 325, 114705 (2021). Impact Factor: 5.065
2. Depanshu Varshney, Akash Kumar, Jai Prakash, Ramcharan Meena and K. Asokan, “Gamma irradiation induced dielectric modulation and dynamic memory in nematic liquid crystal materials”, Journal of Molecular Liquids 320, Part A, 114374 (2020). Impact Factor: 5.065
3. Jai Prakash, Ariba Parveen, Yogendra K. Mishra and Ajeet Kaushik, “Nanotechnology-assisted liquid crystals-based biosensors: Towards fundamental to advanced applications”, Biosensors and Bioelectronics 168, 112562 (2020). Impact Factor: 10.257
5. Jai Prakash, Sidra Khan, Shikha Chauhan and A. M. Biradar, “Liquid crystals and metal oxide-nanoparticles composites: A review of recent progress”, Journal of Molecular Liquids 297, 112052 (2020). Impact Factor: 5.065
6. Akash Kumar, Depanshu Varshney and Jai Prakash, “Role of ionic contribution in dielectric behaviour of a nematic liquid crystal with variable cell thickness”, Journal of Molecular Liquids, 303, 112520 (2020). Impact Factor: 5.065
7. Sidra Khan, Jai Prakash, Shikha Chauhan, Amit Choudhary, and Ashok M. Biradar, “Bismuth ferrite nanoparticles for modulation of helical structure at the interface of ferroelectric liquid crystal and substrate”, J. Appl. Phys. 127, 074102 (2020). Impact Factor: 2.328
8. Sidra Khan, Jai Prakash, Shikha Chauhan, Amit Choudhary and A. M. Biradar, “Partially unwound helical mode in surface stabilized ferroelectric liquid crystal geometry”, J. Mol. Liq. 305, 112767 (2020). Impact Factor: 5.065
9. Sidra Khan, Shikha Chauhan, Achu Chandran, Micha? Czerwi?ski, Jakub Herman, Ashok M. Biradar and Jai Prakash, “Enhancement of dielectric and electro-optical parameters of a newly prepared ferroelectric liquid crystal mixture by dispersing nano-sized copper oxide” Liq. Cryst. (2019). Impact Factor: 3.078
10. Jai Prakash, Achu Chandran and Ashok M. Biradar, “Scientific developments of liquid crystal based optical memory: A review” Reports on Progress in Physics 80, 016601 (2017). Impact Factor: 17.032
11. Achu Chandran, Jai Prakash, Jitendra Gangwar, Tilak Joshi, Avanish Kumar Srivastava, D. Haranath and Ashok. M. Biradar, “Low-voltage electro-optical memory device based on NiO nanorods dispersed in a ferroelectric liquid crystal” RSC Advances 6, 53873 (2016). Impact Factor: 3.119
12. Jai Prakash, A. Chandran, Anu Malik, and A. M. Biradar, “Role of cell thickness in tailoring the dielectric and electro-optical parameters of ferroelectric liquid crystals” Liquid Crystals 42, 1748 (2015). Impact Factor: 2.661
13. A. Chandran, J. Prakash, K. K. Naik, A. K. Srivastava, R. Dabrowski, M. Czerwinski, and A. M. Biradar, “Preparation and characterization of MgO nanoparticles/ferroelectric liquid crystal composites for faster display devices with improved contrast”, J. Mat. Chem. C 2, 1844 (2014). Impact Factor: 7.059
14. M. Tyagi, A. Chandran, T. Joshi, J. Prakash, V. V. Agrawal, and A. M. Biradar, “Self assembled monolayer based liquid crystal biosensor for free cholesterol detection”, Appl. Phys. Lett. 104, 154104 (2014). Impact Factor: 3.597
15. A. Chandran, J. Prakash, T. Joshi, and A. M. Biradar, “Probing the effect of temperature and electric field on the low frequency dielectric relaxation in a ferroelectric liquid crystal mesogen” J. Mol. Liq. 198, 280 (2014). Impact Factor: 3.648
16. A. Chandran, J. Prakash, P. Ganguly, and A. M. Biradar, “Zirconia nanoparticles/ferroelectric liquid crystal composites for ionic impurities free memory applications” RSC Advances 3, 17166 (2013). Impact Factor: 3.108
17. W. Man, S. Fardad, Z. Zhang, J. Prakash, M. Lau, P. Zhang, M. Heinrich, D. N. Christodoulides and Z. Chen, “Optical Nonlinearities and Enhanced Light Transmission in Soft-Matter Systems with Tunable Polarizabilities” Phys. Rev. Lett. 11, 218302 (2013)-5). Impact Factor: 8.462
18. A. Kumar, J. Prakash, Abhay D. Deshmukh, D. Haranath, P. Silotia, and A. M. Biradar, “Enhancing the photoluminescence of ferroelectric liquid crystal by doping with ZnS quantum dots” Appl. Phys. Lett. 100, 134101 (2012). Impact Factor: 3.411
19. Ioannis Chremmos, Peng Zhang, Jai Prakash, Nikolaos K. Efremidis, Demetrios N. Christodoulides,and Zhigang Chen, “Fourier-space generation of abruptly autofocusing beams and optical bottle beams”, Optics Letters 36, 3675 (2011). Impact Factor: 3.416
20. Peng Zhang, Jai Prakash, Ze Zhang, Matthew S. Mills, Nikolaos K. Efremidis, Demetrios N. Christodoulides, and Zhigang Chen “Trapping and guiding micro-particles with morphing autofocusing Airy beams”, Optics Letters 36, 2883 (2011). Impact Factor: 3.416
Selected for reprint for the Virtual Journal of Biomedical Optics 6 (9), 2011.
21. Peng Zhang, Ze Zhang, Jai Prakash, Simon Huang, Daniel Hernandez, Matthew Salazar, Demetrios N. Christodoulides, and Zhigang Chen, “Trapping and transporting aerosols with a single optical bottle beam generated by Moiré techniques”, Optics Letters 36, 1491 (2011).Impact Factor: 3.416
22. T. Joshi, J. Prakash, J. Gangwar, A. K. Srivastava, S. Singh, and A. M. Biradar, “Alumina nanoparticles find an application to reduce the ionic effects of ferroelectric liquid crystal”, J. Phys. D: Appl. Phys. 44, 315404 (2011).Impact Factor: 2.588
23. T. Joshi, A. Kumar, J. Prakash, and A. M. Biradar, “Low power operation of ferroelectric liquid crystal system dispersed with zinc oxide nanoparticles” Appl. Phys. Lett. 96, 253109 (2010). Impact Factor: 3.411
24. A. Kumar, J. Prakash, A. M. Biradar and W. Haase, “Abiding electro-optic memory effect based on deformed helix ferroelectric liquid crystal” Appl. Phys. Exp. 3, 091701 (2010).Impact Factor: 2.667
25. A. Kumar, J. Prakash, M. Taukeer Khan, S. K. Dhawan and A. M. Biradar, “Memory effect in cadmium telluride quantum dots doped ferroelectric liquid crystals” Appl. Phys. Lett. 97, 163113 (2010). Impact Factor: 3.411
26. T. Joshi, A. Kumar, J. Prakash and A. M. Biradar, “Low frequency dielectric relaxations of gold nanoparticles/ferroelectric liquid crystals composites”, Liquid Crystals 37, 1433 (2010). Impact Factor: 2.661
27. A. Malik, A. Choudhary, J. Prakash, I. Coondoo, and A. M. Biradar, “Enhancement of ferro-para phase transition in ethanol doped ferroelectric liquid crystal”, J. Appl. Phys. 105, 034105, (2009). Impact Factor: 2.068
28. A. Choudhary, I. Coondoo, J. Prakash, K. Sreenivas, and A. M. Biradar, “Electrically tunable spatially variable switching in ferroelectric liquid crystal/water system”, Appl. Phys. Lett. 94, 174101, (2009). Impact Factor: 3.411
29. J. Prakash, A. Choudhary, D. S. Mehta, and A. M. Biradar, “Effect of carbon nanotubes on response time of ferroelectric liquid crystal”, Phys. Rev. E 80, 012701, (2009). Impact Factor: 2.366
30. A. Kumar, J. Prakash, A. Choudhary, and A. M. Biradar, “Dielectric and electro-optical studies of glycerol/ferroelectric liquid crystal mixture at room temperature”, J. Appl. Phys. 105, 124101, (2009). Impact Factor: 2.068
31. A. Kumar, J. Prakash, D. S. Mehta, A. M. Biradar, and W. Haase, “Enhanced photoluminescence in gold nanoparticles doped ferroelectric liquid crystals”, Appl. Phys. Lett. 95, 023117, (2009). Impact Factor: 3.411
32. A. Kumar, J. Prakash, P. Goel, T. Khan, S. K. Dhawan, P. Silotia, and A. M. Biradar, “Polymeric nanoparticles induced vertical alignment in ferroelectric liquid crystals”, Euro Phys. Lett. 88, 26003, (2009). Impact Factor: 1.957
33. Anu Malik, Jai Prakash, Poonam Silotia, and Ashok M. Biradar, “Enhanced memory effect in conducting polymer coated surfaces of ferroelectric liquid crystals”, Appl. Phys. Exp. 2, 121401, (2009). Impact Factor: 2.667
34. J. Prakash, D. S. Mehta, A. Choudhary, S. Kaur, V. Rathore, and A. M. Biradar, “Criticality of bistabiltiy phenomenon in deformed helix ferroelectric liquid crystal”, J. Appl. Phys, 103, 44103, (2008).Impact Factor: 2.068
35. A. Choudhary, S. Kaur, J. Prakash, K. Sreenivas, S. S. Bawa, and A. M. Biradar, “Effect of Smectic A temperature width on the soft mode in ferroelectric liquid crystals”, J. Appl. Phys. 104, 034105, (2008). Impact Factor: 2.068
36. J. Prakash, A. Choudhary, S. Kaur, D. S. Mehta, and A. M. Biradar, “Memory effect in weakly anchored surfaces of deformed helix ferroelectric liquid crystal”, Phys. Rev. E 021707, (2008). Impact Factor: 2.366
- Publications
Complete list of publications in standard refereed journal
(83 Published; 06 Accepted/Under Review)
Citation indices*
Citations
h-index
Google Scholar
3364
27
Scopus
2480
23
Web of Science
2604
24
1. Recent advances on morphological, dielectric, electrical, electro-optical and optical features of quantum dots-liquid crystals nanocomposites, Liquid Crystal Reviews 13, 58 (2025). Impact Factor: 4.800; Q1
2. Asif Ali Ansari, Shikha Chauhan, Jai Prakash, and Gautam Singh, “Tunable dielectric and electrical properties of InP/ZnS quantum dots doped nematic liquid crystal composites” Next Research (2025). Impact Factor: 5.300.
4. Priscilla P, Michael R. Fisch, Sandeep Kumar, Arvind K. Gathania, Jai Prakash, Supreet Supreet, Sanjeev Kumar, Riccardo Castagna, Gautam Singh “Unveiling molecular alignment, dielectric and electrical conductivity of an unaligned 4-octyl-4?-cyanobiphenyl liquid crystal doped with carbon dots” Colloids and Surfaces A 707, 135854 (2025). Impact Factor: 4.900.
5. Akash Kumar, Jai Prakash, Depanshu Varsney, Anu, Kamlesh Yadav and Gautam Singh, “Tailoring the dielectric features of a cyanobiphenyl based liquid crystal using bismuth titanate (Bi2Ti2O7/Bi4Ti3O12) nanocomposites” Indian Journal of Physics (2024). Impact Factor: 1.60
6. Harikesh Meena, Depanshu Varshney, Santanu Mal, Jai Prakash, Riccardo Castagna and Gautam Singh, “Effect of CsPbBr3 perovskite quantum dots on molecular alignment, dielectric and memory effect of a cyanobiphenyl based liquid crystal” Journal of Molecular Liquids 416, 126480 (2024). Impact Factor: 5.300.
7. Priscilla P, Arvind K. Gathania, Sandeep Kumar, Michael R. Fisch, Jai Prakash, Supreet, Sanjeev Kumar and Gautam Singh, “Carbon dots induced homeotropic alignment in a negative dielectric nematic liquid crystal material” Nano Express 5, 045008 (2024). Impact Factor: 3.000
8. Nidhi, Jai Prakash, Shikha Chauhan, Depanshu Varshney, Magan Himanshu, Kamlesh Yadav and Gautam Singh, “Tunable dielectric features of newly synthesized vanadium-doped titanium oxide nanoparticles doped liquid crystal nanocomposites” Emergent Materials (2024) Impact Factor: 4.800 https://doi.org/10.1007/s42247-024-00860-5
9. Depanshu Varshney, Jai Prakash and Gautam Singh, “Prolonged memory effect in smectic A phase of a thermotropic liquid crystal material” Optical Materials 157, 116110 (2024). Impact Factor: 3.754
10. Priscilla P, Michael R. Fisch, Harikesh Meena, Srashti Tomar, Arvind K. Gathania, Sandeep Kumar, Jai Prakash, Supreet Kaur, Sanjeev Kumar, and Gautam Singh “Effect of doping with carbon dots on the alignment and dielectric properties of a cyanobiphenyl based nematic liquid crystal in ITO sample cell without conventional alignment layers for low-cost display applications” Journal of Molecular Structure 1321, 139894 (2024). Impact Factor: 3.800
11. Depanshu Varshney, Jai Prakash, Micha? Czerwi?ski, Jakub Herman and Gautam Singh, “Investigation of deep relaxation mode in newly developed ferroelectric liquid crystal material” Chemical Engineering Journal 496, 153975 (2024). Impact Factor: 15.100
12. Priscilla P, Sandeep Kumar, Arvind K. Gathania, Ashwani Kumar Singh, Supreet Kaur, Jai Prakash, Sanjeev Kumar, Praveen Malik, Riccrado Castagna and Gautam Singh, “Effect of Carbon dots in tuning molecular alignment, dielectric and electrical properties of a smectogenic cyanobiphenyl-based liquid crystal material” Journal of Physics D: Applied Physics 57, 355302 (2024). Impact Factor: 3.400.
15. Priscilla P, Ashwani Singh, Praveen Malik, Sandeep Kumar, Supreet, Arvind K. Gathania, Jai Prakash, Riccrado Castagna, Daniele Eugenio Lucchetta and Poonma Malik, “Effect of doping of organo-soluble carbon dots on ionic relaxation and conductivity of planar anchored cyanobiphenyl based nematic liquid crystal” Journal of Molecular Structure 1301, 137403 (2024). Impact Factor: 3.800
16. Depanshu Varshney, Jai Prakash and Gautam Singh, “Indium tin oxide nanoparticles induced molecular rearrangement in nematic liquid crystal material” Journal of Molecular Liquids, 387, 122578 (2023). Impact Factor: 6.633
- Applications of quantum dots in LEDshttps://www.youtube.com/watch?v=6TA3p6ilZeg&t=136s
- Video lecture on nanoscale systems by Dr. Jai Prakashhttps://www.youtube.com/watch?v=Bj-WBUT4QDI