Research Publications
Year 2023
1. Evidence of cholesterol crystallization along with smectic layers in ferroelectric liquid crystal
Lokesh K. Gangwar, Amit Choudhary*, Sonal Rewri, Gautam Singh, Ashok M. Biradar, Gajjala Sumana, Rajesh
Journal of Molecular Liquids, 369, 120830 (2023).
https://doi.org/10.1016/j.molliq.2022.120830
Year 2022
2. Hierarchical self-assembling and helical structure in focal conic domains in meniscus of ferroelectric liquid crystal
Amit Choudhary, Suraj Kumar, Ambika Bawa, Surinder P. Singh, Anil K. Thakur, Rajesh, and Ashok M. Biradar
Physical Review E 105, 044706 (2022).
https://doi.org/10.1103/PhysRevE.105.044706
3. Technological Advancements in Bio‐recognition using Liquid Crystals: Techniques, Applications, and Performance
Rajesh, Lokesh K. Gangwar, Sujeet K. Mishra, Amit Choudhary, Ashok M. Biradar, Gajjala Sumana
Luminescence, In Production (2022).
DOI: https://doi.org/10.1002/bio.4242
https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/10.1002/bio.4242
Year: 2021
4. Alignment layer and helix controlled unconventional operational switching in ferroelectric liquid crystal
Amit Choudhary, Ambika Bawa, Lokesh K Gangwar, Surinder P Singh, Ashok M. Biradar and Rajesh,
Journal of Physics D: Applied Physics, 54, 505301 (2021).
5. Resolving the isolated nature of Goldstone mode in ferroelectric liquid crystals at room temperature
Achu Chandran, Amit Choudhary*, Lokesh Kumar Gangwar, T.K. Abhilash, B.S. Athira, and Ashok M. Biradar*.
Journal of Molecular Liquids, 340, 117194 (2021). I.F.: 6.16
https://doi.org/10.1016/j.molliq.2021.117194
Year: 2020
6. Weak anchoring resolved substrate interface and bulk mode processes in surface stabilized ferroelectric liquid crystal
S. Khan, J. Prakash, S. Chauhan, A. Choudhary*, and A.M. Biradar,
Journal of Molecular Liquids, 325, 114705 (2020).
https://doi.org/10.1016/j.molliq.2020.114705
7. Correlation between alignment geometries and memory effect in surface stabilized ferroelectric liquid crystal
Kumar Suraj, Lokesh K. Gangwar, Ambika Bawa, Amit Choudhary,* Rajesh, S. P. Singh, and A. M. Biradar,
Physical Review E 102, 032703 (2020).
https://journals.aps.org/pre/accepted/1b074R02G211f018f85a8e065641d76e029592627
ISSN: 24700045
8. Surface constraints controlled structural dynamics of ferroelectric liquid crystals
Ambika Bawa, Amit Choudhary,* Gunjan Sharma, Rajesh, Surinder P. Singh, and Ashok M. Biradar,
Applied Surface Science, 526, 146743 (2020).
https://www.sciencedirect.com/science/article/abs/pii/S0169433220315002
ISSN: 169-4332
9. Electric field dependence of optical dispersion process in short pitch ferroelectric liquid crystal
Amit Choudhary, Ambika Bawa, Anil K. Thakur, Lokesh K. Gangwar, Suraj Kumar, Surinder P. Singh, and Ashok M. Biradar*
Optical Materials, 102, 109771 (2020).
https://www.sciencedirect.com/science/article/abs/pii/S0925346720301221
ISSN: 2195-1071
10. Partially unwound helical mode in surface stabilized ferroelectric liquid crystal geometry
Sidra Khan, Jai Prakash, Shikha Chauhan, Amit Choudhary, and Ashok M. Biradar,
Journal of Molecular Liquids, 305, 112767 (2020).
https://www.sciencedirect.com/science/article/abs/pii/S0167732219361896
11. Bismuth ferrite nanoparticles for modulation of helical structure at the interface of ferroelectric liquid crystal and substrate
Sidra Khan, Jai Prakash, Shikha Chauhan, Amit Choudhary, and Ashok M. Biradar
J. Appl. Phys. 127, 074102 (2020).
https://aip.scitation.org/doi/10.1063/1.5128557
12. Impact of twisted alignment on the smectic layer structure of ferroelectric liquid crystal
Ambika Bawa, Tarundeep K. Lamba, Amit Choudhary,* Gautam Singh, Rajesh, Surinder P.Singh, Ashok M. Biradar
Journal of Molecular Liquids, 302, 112332 (2020).
https://doi.org/10.1016/j.molliq.2019.112332
https://www.sciencedirect.com/science/article/abs/pii/S016773221933942X
ISSN: 1873-3166
13. Low frequency dielectric processes in deformed helix ferroelectric liquid crystals
Ambika Bawa, Amit Choudhary*,Anil K. Thakur, Suraj Kumar, Rajesh, Surinder P. Singh, and Ashok M. Biradar
Applied Physics A, 126, 171 (2020).
https://doi.org/10.1007/s00339-020-3340-z
https://link.springer.com/article/10.1007/s00339-020-3340-z#citeas
ISSN: 1432-0630
Year: 2019
14. Ferroelectric ordering at interface of paraelectric phase of liquid crystal and solid substrate in confined geometry
S. Kumar, L.K. Gangwar, A. Choudhary*, Rajesh, S.P. Singh, and A.M. Biradar
Applied Surface Science 496, 143695 (2019). I.F.-5.1
ISSN: 0169-4332
15. Polarisation-dependent dielectric processes in ferroelectric liquid crystals
Ambika Bawa, Astha Dhingra, Amit Choudhary*, Surinder P. Singh, Wolfgang W. Haase, and Ashok M. Biradar
Liquid Crystals 46(2), 166-175 (2019).
ISSN: 0267-8292
16. Probing the impact of carbon quantum dots on partially unwound helical mode in ferroelectric liquid crystals
Lokesh K. Gangwar, Aditya Kumar, Gautam Singh, Amit Choudhary,* Rajesh, Surinder P. Singh, and Ashok M. Biradar,
Journal of Applied Physics 125, 125108 (2019). I.F.-2.366
Year: 2018
17. [Review Article] Conjugation of Nanomaterials and Nematic Liquid Crystals for Futuristic Applications and Biosensors
Amit Choudhary, Thomas F. George, and Guoqiang Li*
Biosensors, 8, 69; doi:10.3390/bios8030069 (2018). I.F. 3.5
ISSN: 2079-6374
18. Collective dielectric process at the transition temperature of the SmC* and SmA* phase in a ferroelectric liquid crystal
L.K. Gangwar, A. Bawa, A. Choudhary*, S. P. Singh, and A. M. Biradar
Physical Review E, 97, 062707 (2018) I.F.-2.366
ISSN: 2470-0053
Year: 2017
19. Dielectric behaviour of neutrophil gelatinase associated lipocalin detected by alpha relaxation process
Mukta Tyagi, , Amit Choudhary, Santosh K. Upadhyay, Ved Varun and A. M. Biradar
Integrated Ferroelectrics, 184, 55 (2017). IF-0.457,
ISSN: 1607-8489
20. Dielectric relaxation process of partially unwound helical structure in ferroelectric liquid crystals,
Amit Choudhary, A. Bawa, Rajesh, S. P. Singh and A. M. Biradar*
Physical Review E 95, 062702 (2017). IF-2.366
ISSN: 2470-0053
21. Dielectric and electro-optical properties of Mn12-acetate and ferroelectric liquid crystal composite,
Shilpi Verma, Amit Choudhary*, Priti Singh, Ashok M. Biradar, and Surinder P. Singh,
Liquid Crystals, Vol 44, 464-472 (2017). IF- 2.661
ISSN: 1366-5855
Year: 2015
22. Probing the dynamics of geometrically confined ferroelectric mesogens at the air interface
Achu Chandran, Amit Choudhary,* Pankaj Singh, D. Haranath, and Ashok M. Biradar.
Soft Matter, 11, 749 (2015). IF- 3.798
ISSN: 1744-6848
23. Ananlysis of nanoparticles induced vertical alignment of nematic liquid crystals
A. Choudhary, Thomas F. George, and G. Li, arXiv:1510.08166 [physics,optics], (2015).
24. Investigations on the triboelectric electricity generation and its application in energizing a voltage driven display device
A. Kumar, A. Choudhary, A. Saxena, A. P. S. Gahlot, G. Berwal, Rohit, S. Kumar, S. J. Tiwari, D. P. Singh, D. Agrawal, V. Kumar and V. Upreti.
DU Journal of Undergraduate Research and Innovation 1 (1) (2015) 49-59 ISSN 2395 - 2334.
Year: 2014
25. Anisotropic shift of surface plasmon resonance of gold nanoparticles doped in nematic liquid crystal,
Amit Choudhary and Guoqiang Li.
Optics Express, 22, 24348 (2014). IF- 3.337
ISSN: 1094-4087
26. [Review article] Advances in gold nanoparticles-liquid crystal composites
A. Choudhary, Gautam Singh, and A. M. Biradar
Nanoscale 6, 7743 (2014). IF- 7.233
ISSN: 2040-3372
Year: 2013
27. Mechanism of homeotropic alignment of ferroelectric liquid crystals doped with ferro-fluid and applications
T. Joshi, Shri Singh, A. Choudhary*, R. P. Pant, and A. M. Biradar
Appl. Phys. Lett. 103 034110 (2013). IF-3.495
28. Gold-Nanoparticle-Decorated Boron Nitride Nanosheets: Structure and Optical Properties
Sunil K. Singhal , Veeresh Kumar , K. Stalin , Amit Choudhary, Satish Teotia , Gade B. Reddy , Rakesh B. Mathur , Surinder P. Singh, and Renu Pasricha*
Part. Part. Syst. Charact. 30, 445 (2013). IF-4.384
ISSN: 1521-4117
Year: 2012
29. Electro-optic studies in conventional and pure/ethanol mixed de Vries ferroelectric liquid crystals
G. Singh, G. V. Prakash, A. Choudhary, and A. M. Biradar*
Liq. Cryst., 39, 185 (2012). IF-3.07
ISSN: 0267-8292
Year: 2011
30. Effect of ZnO nanoparticles on smectic-C* smectic-A* phase transition in electroclinic liquid crystals
A. Malik, A. Choudhary, and A. M. Biradar*
J. Appl. Phys. 110, 064111 (2011). IF-2.3
Year: 2010
31. Effect of Graphene Oxide nanomaterial in Electroclinic Liquid Crystals
A. Malik, A. Choudhary, A. M. Biradar*, V.K. Singh, and N. K. Jain
J. Appl. Phys. 108, 124110 ( 2010). IF-2.3
32. Triboelectric activation of ferroelectric liquid crystal memory devices
A. Choudhary, T. Joshi, and A. M. Biradar*,
Appl. Phys. Lett., 97, 124108 (2010).IF 3.5
ISSN: 1077-3118
33. Field-induced transition from homeotropic to planar geometry in the Sm C* and SmA phase of electroclinic liquid crystal.
Anu Malik, Indrani Coondoo, Amit Choudhary and Ashok M. Biradar*
Philosophical magazine 90, 2733-2747 (2010), I.F:-1.95
ISSN: 1478-6435
34. Anisotropic behaviour of water in Ferroelectric liquid crystal.
G. Singh, A Choudhary, G. V. Prakash, and A. M. Biradar*
Physical Review E 81, 051707 (2010). IF-2.36
ISSN: 2470-0053
35. Homeotropic alignment of nematic liquid crystals with negative dielectric anisotropy
Gautam Singh, Gaddam Vijaya Prakash, Amit Choudhary, and Ashok Manikrao Biradar*
Physica B 405, 2118 (2010). I.F:-1.45
Year: 2009
36. Effect of Surface Anchoring on Optical Bistability in Deformed Helix Ferroelectric Liquid Crystal
J. Prakash, A. Choudhary, D. S. Mehta, and A. M. Biradar*
Mol. Cryst. Liq. Cryst. 511, 188 (2009). I.F. 0.896
ISSN: 1542-1406
37. Dielectric and electro-optical studies of glycerol/ferroelectric liquid crystal mixture at room temperature
A. Kumar, J. Prakash, A. Choudhary, and A. M. Biradar*.
J. Appl. Phys. 105, 124101 (2009). IF.2.17
38. Effect of carbon nanotubes on response time of ferroelectric liquid crystal
J. Prakash, A. Choudhary, D. S. Mehta, and A. M. Biradar*
Phys. Rev E, 80, 012701 (2009). IF-2.366
ISSN: 2470-0045
39. Electrically tunable spatially variable switching in ferroelectric liquid crystal/water system
A. Choudhary, I. Coondoo, Jai Prakash, K. Sreenivas, and A. M. Biradar *
Appl. Phys. Lett. 94, 174101 (2009). IF-3.5
40. Enormous change in tilt angle and transition temperature of Sm C*- Sm A phase in electroclinic liquid crystal material.
A. Choudhary, A. Kumar, S. Kaur, J. Prakash and A. M. Biradar*
Japanese Journal of Applied Physics 48, 050201, 2009. IF-1.3
41. Enhancement of Ferro to paraelectric phase transition in Ferroelectric Liquid Crystal
A Malik, A. Choudhary, J. Prakash, I. Coondoo, and A. M. Biradar*
Journal of Applied Physics 105, 034105 (2009). IF-2.3
Year: 2008
42. Memory effect near transition temperature in Sm C phase in non-surface stabilized ferroelectric liquid crystals
I. Coondoo, A. Malik, A. Choudhary, A. Kumar, and A. M. Biradar
Journal of Applied Physics 104, 83525, (2008). IF-2.17
ISSN: 1089-7550
43. Nonvolatile memory effect based on gold nanoparticles doped ferroelectric liquid crystal.
J. Prakash, A. Choudhary, A. Kumar, D. S. Mehta, and A. M. Biradar.
Applied Physics Letters 93, 112904 (2008). IF-3.5
44. Memory effect in weakly anchored surfaces of deformed helix ferroelectric liquid crystals
J. Prakash, A. Choudhary, S. Kaur, D. S. Mehta, and A. M. Biradar
Physical Review E, 78, 021707 (2008)
45. Effect of Smectic A temperature width on the soft mode in Ferroelectric Liquid Crystals
A. Choudhary, S. Kaur, J. Prakash, K. Sreenivas, S. S. Bawa, and A. M. Biradar
Journal of Applied Physics 104, 034105 (2008).
46. Criticality of bistabiltiy phenomenon in Deformed Helix Ferroelectric Liquid Crystal
J. Prakash, D. S. Mehta, A. Choudhary, S. Kaur, V. Rathore, and A. M. Biradar
Journal of Applied Physics 103, 44103 (2008).
47. Molecular relaxation in homeotropically aligned ferroelectric liquid crystals
G. Singh, G. V. Prakash, S. Kaur, A. Choudhary, and A. M. Biradar
Physica B, 403, 3314 (2008).
ISSN: 0921-4526
Year: 2007
48. Enhanced electro-optical properties in gold nanoparticles doped FLC
S. Kaur, S. P. Singh, A. M. Biradar, A. Choudhary, and K. Sreenivas
Applied Physics Letters. 91, 023120 (2007).
49. Reminiscence shown by de Vries Electroclinic liquid crystal.
G. Singh, A. Choudhary, S. Kaur, A. M. Biradar, and W. Haase
Japanese Journal of Applied Physics 46, L559 (2007).
ISSN: 1347-4065
50. Memory effect in Sm C* phase of electroclinic liquid crystal
A. Choudhary, S. Kaur, G. Singh, J. Prakash, A. K. Thakur, and A. M. Biradar
Journal of Applied Physics 101, 074112 (2007).
ISSN: 1089-7550
Year: 2006
51. A dielectric mode in electroclinic liquid crystals
A. K. Thakur, A. Choudhary, S. Kaur, S. S. Bawa, and A. M. Biradar
Journal of Applied Physics 100, 034104 (2006).
ISSN: 1089-7550
Year: 2005
52. Is Curie-Weiss Law valid in every ferro to para transition?
S. Kaur, A. K. Thakur, A. Choudhary, S. S. Bawa and A. M. Biradar, S. Annapoorni
Appl. Phys. Lett, 87, 102507, (2005).
ISSN: 1077- 3118
Note: * Corresponding Author