Phd, Punjabi University, Patiala - 1978

Verma, N.K. Dr.

Designation Senior Professor

Education

PhD, Punjabi University, Patiala - 1978

Thesis Title: ‘Theoretical Investigations of the Performance of Optical Systems.’

MSc (Physics), Meerut University, Meerut - 1969

Experience

About 44 years of teaching experience at Thapar University, Patiala

Out of which over 15 years as Professor/Senior Professor

Teaching Interests

Classical Physics Modern Physics Lasers Fiber Optics Materials Science

Research Interests Nanoscience and Nanotechnology:

 Magnetic Materials o Multiferroics and their Nanocomposites o Dilute Magnetic Semiconductors o Magnetic Nanocomposites for Biomedical Applications  Dye Sensitized Solar Sells  Highly Reflective Coatings

Publications

SCI Journals – 104 Non-SCI Journals - 45 Conference Proceedings (National/International) – 137

List of Publications in SCI Journals in last 5 years

1. Ferromagnetic and weak superparamagnetic like behavior of Ni-doped ZnS nanocrystals synthesized by reflux method. Kumar, Sunil; Verma N.K., J. Mater. Sci.: Mater. Electron. 2014, 25, 1132. (Impact factor: 1.486)

2. Effect of Ni-doping on optical and magnetic properties of solvothermally synthesized ZnS wurtzite nanorods, Kumar, Sunil; Verma N.K., J. Mater. Sci.: Mater. Electron. 2014, 25, 785. (Impact factor: 1.486)

3. Structural, optical and magnetic properties of cobalt-doped CdSe nanoparticles. Singh, Jaspal; Verma, N.K., Bull. Mater. Sci., 2014, 37, 1. (Impact factor: 0.7)

4. Synthesis and characterization of BiFeO3 nanowires and their applications in dye- sensitized solar cells, Lotey, Gurmeet Singh; Verma, N.K., Mater. Sci. Semicond. Proc., 2014, 21, 206. (Impact factor: 1.338)

5. CaCO3/TiO2 Nanoparticles Based Dye Sensitized Solar Cell. Kaur, Manveen; Verma; N.K., J. Mater. Sci. Technol., 2014, 30(4), 328. (Impact factor: 1.198)

6. Multiferroic Properties of (Bi0.9Gd0.1FeO)1−x(BaTiO3)x Ceramics, Uniyal, Poonam; Lotey, Gurmeet Singh; Gautam, Anamol; Verma, N.K., Yadav, K.L., J Supercond Nov Magn., 2014, 27, 569. (Impact factor: 0.7)

7. Enhancement of Room Temperature Ferromagnetism in Cd1-xNixSe nanoparticles, Singh, Jaspal; Kumar, Sanjeev; Verma, N.K., J Mater. Sci.: Mater. Electron., 2014, 25, 2267. (Impact factor: 1.486) 8. Effect of Ni-doping concentration on structural, optical and magnetic properties of CdSe nanorods, Singh, Jaspal; Kumar, Sanjeev; Verma, N.K., Mate. Sci. Semicond. Proc., 2014, 26, 1. (Impact factor: 1.338)

9. Optical and magnetic properties of Fe-doped CdS dilute magnetic semiconducting nanorods, Kaur, Kamaldeep; Lotey, G S; Verma, N.K., J Mater. Sci.: Mater. Electron., 2014, 25, 2605. (Impact factor: 1.486)

10. Magnetodielectric Properties of Rare Earth Metal-Doped BiFeO3 Nanoparticles. Lotey, Gurmeet Singh; Verma, N.K., J. Mater. Sci.: Mater. Electron. 2013, 24, 3723. (Impact factor: 1.486)

11. Room Temperature Ferromagnetism in Tb-Doped ZnO Dilute Magnetic Semiconducting Nanoparticles. Lotey, Gurmeet Singh; Verma, N.K.; Singh, Jaspal; J. Mater. Sci.: Mater. Electron. 2013, 24, 3611. (Impact factor: 1.486)

12. Magnetoelectric Coupling in Multiferroic BiFeO3 Nanowires. Lotey, Gurmeet Singh; Verma, N.K., Chem. Phys. Lett. 2013, 579, 78. (Impact factor: 2.145)

13. Structural and Photoluminescence Properties of Eu-Doped ZnS Nanoparticles. Lotey, Gurmeet Singh; Jindal, Zinki; Singhi, Vaishali; Verma,N. K., Mater. Sci. Semicon. Proc. 2013, 16, 2044. (Impact factor: 1.338)

14. Study on CaCO3-Coated ZnO Nanoparticles Based Dye Sensitized Solar Cell. Kaur, Manveen; Verma; N.K., J. Mater. Sci.: Mater. Electron. 2013, 24 (12), 4980. (Impact factor: 1.486)

15. Silica/Potassium Ferrite Nanocomposite: Structural, Morphological, Magnetic, Thermal and In Vitro Cytotoxicity Analysis. Khanna, Lavanya; Verma N. K., Mater. Sci. Eng., B. 2013, 178, 1230. (Impact factor: 1.338)

16. Synthesis, Characterization and Invitro Cytotoxicity Study of Calcium Ferrite Nanoparticles. Khanna, Lavanya; Verma, N.K., Mater. Sci. Semicon. Proc. 2013, 16, 1842. (Impact factor: 1.338)

17. Performance of Eu2O3 Coated ZnO Nanoparticles-Based DSSC. Kaur, Manveen; Verma, N.K., J. Mater. Sci.: Mater. Electron. 2013, 24, 3617. (Impact factor: 1.486)

18. Performance of Dye-Sensitized Solar Cell Fabricated Using Titania Nanoparticles Calcined at Different Temperatures. Kaur, Manveen; Verma, N.K., Materials Science- Poland. 2013, 31(3), 378. (Impact factor: 0.258)

19. Diffuse Reflectance and Reflective Flexible Coatings of Capped ZnS Nanoparticles. Kumar, S; Verma, N.K.; Singla, M.L, Mater. Chem. Phys. 2013, 142, 734. (Impact factor: 2.072) 20. Size-Dependent Magnetic and Dielectric Properties of Tb-Doped BiFeO3 Nanoparticles. Dhir, Gitanjali; Lotey, Gurmeet Singh; Uniyal, Poonam; Verma, N. K., J. Mater. Sci.: Mater. Electron. 2013, 24, 4386. (Impact factor: 1.486)

21. Synthesis, Characterization and Biocompatibility of Potassium Ferrite Nanoparticles. Khanna, Lavanya; Verma, N.K., J. Mater. Sci. Tech. 2014, 30, 30. (Impact factor: 1.486)

22. Structural, Optical and Magnetic Properties of Cobalt-Doped CdS Dilute Magnetic Semiconducting Nanorods. Mater. Chem. Phys. 2013,143, 41. (Impact factor: 2.072)

23. Structural, Magnetic, Dielectric and Magneto Dielectric Properties of Gd-Doped CdS Nanorods. Kaur, Kamaldeep; Lotey, G S; Verma, N.K., Mater. Sci. Semicon. Proc. 2013, 19, 6. (Impact factor: 1.338)

24. Multiferrosim in Rare Earth Metals-Doped BiFeO3 Nanowires. Lotey, Gurmeet Singh; Verma, N.K., Superlattices Microstruct. 2013, 60, 60. (Impact factor: 1.564)

25. Multiferroic Properties of Tb-Doped BiFeO3 Nanowires. Lotey, Gurmeet Singh; Verma, N.K., J. Nanopart. Res. 2013, 15, 1553. (Impact factor: 2.175)

26. Gd-Doped BiFeO3 Nanoparticles - A Novel Material for Highly Efficient Dye- Sensitized Solar Cells. Lotey, Gurmeet Singh; Verma, N.K., Chem. Phys. Lett. 2013, 574, 71. (Impact factor: 2.145)

27. Structural and Optical Properties of Eu2O3 Coated TiO2 Nanoparticles and their Application For Dye Sensitized Solar Cell. Kaur, Manveen; Verma, N.K., J. Mater. Sci.: Mater. Electron. 2013, 24, 1121. (Impact factor: 1.486)

28. Study on Reflectivity and Photostability of Al Doped Titania Nanoparticles and their Reflectors. Kumar, Sanjeev; Verma, N.K.; Singla, M.L., J. Mater. Res. 2013, 28, 521. (Impact factor: 1.713)

29. PEG/CaFe2O4 Nanocomposite: Structural, Morphological, Thermal and Magnetic Analysis. Khanna, Lavanya; Verma, N.K., Physica B. 2013, 427, 68. (Impact factor: 1.327)

30. Size-Dependent Magnetic Properties of Calcium Ferrite Nanoparticles. Khanna, Lavanya; Verma, N.K., J. Magn. Magn. Mater. 2013,336, 1. (Impact factor: 1.826)

31. Phase-Dependent Multiferroism in Dy-Doped BiFeO3 Nanowires. Lotey, G.S; Verma, N.K., Superlattices Microstruct. 2013, 53, 184. (Impact factor: 1.564)

32. Synthesis and Characterization of Fe-Doped CdSe Nanoparticles as Dilute Magnetic Semiconductor. Singh, Jaspal; Verma, N.K., J. Supercond. Nov. Magn. 2012, 25 (7), 2425. (Impact factor: 0.702) 33. Structural, Magnetic, and Electrical Properties of Gd-Doped BiFeO3 Nanoparticles with Reduced Particle Size. Lotey, G.S; Verma, N.K., J. Nanopart. Res. 2012, 12, 742. (Impact factor: 2.175)

34. Structural and Optical Properties of Eu2O3 Coated TiO2 Nanoparticles and Their Application for Dye Sensitized Solar Cell. Kaur, Manveen; Verma, N.K., J. Mater. Sci.: Mater. Electron. 2013, 24, 1121. (Impact factor: 1.076)

35. Room Temperature Ferromagnetic Behaviour of Indium Doped SnO2 Dilute Magnetic Semiconductor Nanocrystalline Thin Films. Singh, Simrjit; Jahan, Noor; Khanna, Atul; Lotey, Gurmeet Singh; Verma, N.K., Chalcogenide Lett. 2012, 24, 1121. (Impact factor: 0.934)

36. Size Dependent Reflective Properties of TiO2 Nanoparticles and Reflectors Made There of Digest. Kumar, Sanjeev; Verma, N.K.; Singla, M.L., J. Nanomater. Biostruct. 2012, 7(2), 607. (Impact factor: 1.092)

37. Highly Reflective Titania Nanoparticle-Based Coating. Kumar, Sanjeev; Verma, N.K.; Singla, M.L., Pigm. Resin. Technol. 2012, 43(3), 156. (Impact factor: 0.616)

38. Electrochemical Synthesis, of Copper Nanowires in Anodic Alumina Membrane and Their Impedance Analysis. Kumar, Sanjeev; Saini, Deepak; Lotey, Gurmeet Singh; Verma, N.K., Superlattices Microstruct. 2011, 50, 698. (Impact factor: 1.564)

39. Reflective Characteristics of Nickel Doped Zinc Sulfide Nanoparticles and their Coatings. Kumar, Sanjeev; Verma, N.K.; Singla, M.L.., Chalcogenide Lett. 2011, 8, 561. (Impact factor: 0.934)

40. Structural, Optical and Magnetic Properties of Cr-Doped CdSe Nanoparticles. Singh, Jaspal; Lotey, Gurmeet Singh; Verma, N.K., Digest J. Nanomater. Biostruct. 2011, 6, 1733. (Impact factor: 1.092)

41. Structural and Optical Properties of CdS Nanorods and CdS/ZnS Nanoslabs. Jindal, Zinki; Verma,N.K, Physica E. 2011, 43, 1021. (Impact factor: 1.522)

42. Fabrication and Characterization of Cu-CdSe-Cu Nanowire Heterojunctions. Lotey,G.S; Verma,N.K., J. Nanopart. Res. 2011, 13, 5397. (Impact factor: 2.175)

43. Solvothermally Synthesized Europium-Doped CdS Nanorods: Applications as Phosphors. Kumar,Sunil; Jindal,Zinki; Kumari, Nitu; Verma, N.K., J. Nanopart. Res. 2011, 13, 5465. (Impact factor: 2.175)

44. Room Temperature Ferromagnetic Behavior of Eu Doped Cd1-xZnxS Nanoparticles. Kumar, Sunil; Kumar, Sanjeev; Verma, N.K.; Chakarvarti, S.K., J. Mater. Sci.: Mater. Electron. 2011, 22, 523. (Impact factor: 1.486)

45. An Efficient Novel Low Voltage Field Electron Emitter with Cathode Consisting of Template Synthesized Cu Microarrays. Kumar, Sunil; Sekhon, G.S.; Kaur, Charanjit; Verma, N.K.; Lu, Chung-Hsin; Chakarvarti S.K., J. Mater. Sci.: Mater. Electron. 2011, 22, 1725. (Imapct factor: 1.486)

46. Room Temperature Ferromagnetism in Solvothermally Synthesized Pure CdSe and Cdse:Ni Nanorods. Kumar, Sunil; Kumar, Sanjeev; Verma, N.K.; Chakarvarti, S.K., J. Mater. Sci.: Mater. Electron. 2011, 22, 1456. (Imapct factor: 1.283)

47. Solution-Combustion: The Versatile Route to Synthesize Silver Nanoparticles. Sharma, Poonam; Lotey, Gurmeet Singh; Singh, Sukhpreet; Verma, N. K., J. Nanopart. Res. 2011, 13, 2553. (Imapct factor: 2.175)

48. Enhanced Luminescence of UV Irradiation Zn(1-x)NixS Nanoparticles. Jindal, Zinki; Verma, N. K., Mater. Chem. Phys. 2010, 124, 270. (Impact factor: 2.072)

49. Room Temperature Magnetism in Ni-Doped CdSe Nanoparticles. Kumar, Sunil; Kumar, Sanjeev; Verma, N. K.; Chakarvarti, S.K., J. Mater. Sci.: Mater. Electron. 2011, 22, 901. (Imapct factor: 1.486)

50. Reflective Properties of ZnS Nanoparticles Coating. Kumar, Sanjeev; Verma, N. K.; Singla, M. L., J. Coat. Technol. Res. 2011, 8, 223. (Imapct factor: 1.094)

51. Electrochemical Template Assisted Fabrication of CdS Micro/Nanostructures. Jindal, Zinki; Verma, N. K., Physica E. 2009, 41, 1752. (Imapct factor: 1.522)

3+ 52. Photoluminescence Properties of Eu Doped Cd1-xZnS Quantum Dots. Singh, Karamjit; Kumar, Sunil; Verma, N. K.; Bhatti H.S., J. Nanopart. Res. 2009, 11, 1017. (Imapct factor: 2.175)

53. Preparation, Characterization and Ionic Conductivity Studies of ZrO2 Dispersed

Mixed Halide Matrix (KCl)0.9(NaCl)0.1. Gupta, Archana; Sil, Anjan; Verma, N.K., J. Phys. Chem. Solids. 2009, 70, 340. (Imapct factor: 1.527)

54. Photoluminescence Properties of Cu-Doped Doped Cd1-xZnxS Quantum Dots. Singh, Karamjit; Kumar, Sunil; Verma, N.K.; Bhatti H.S., J. Mater. Sci.: Mater. Electron. 2009, 20, 1178. (Impact factor: 1.02)

55. Photoluminescence Studies of Cd1-xZnxS Nanocrystals. Singh, Karamjit; Verma, N.K.; Bhatti, H.S., Physica B. 2009, 404, 300. (Impact factor: 1.327)

56. Laser Induced Photoluminescence and Morphological Characterization of Cd(1-x)-

YZnxMnyS Nanocrystals. Singh, Karamjit; Verma, N.K.; Bhatti, H.S., J. Mater. Sci.: Mater. Electron. 2009, 20, 255. (Impact factor: 1.486)

Achievements, Awards and Recognitions

National: . Thapar University Management adjudged my contribution to teaching and research as significant every year under the Performance Incentive Scheme since its inception in 2005-06.

. Best Paper: Faculty Accountability in Technical Education, Presented at the 26th Annual Convention of ISTE, Regional Engineering College (Now, national Institute of Technology) Jaipur, 2-4 January 1997.

 Won several letters of commendation from various Directors of TIET, Patiala for significant contributions in Research, Academics, Creative/Innovative activities, and Social activities.

International:

. SPIE - The International Society for Optical Engineering (USA) has adjudged my following two Research papers as key papers in the World Literature in the years of 1994 & 1996 respectively and has included them in their SPIE Milestone Series (Volumes: MS 74 and MS 119 respectively):

- Diffraction by Truncated-Gaussian Annular Apertures, Journal of Optics (Paris), 9(5), 1978, 307-310, and

- Two-point resolution of a Gaussian aperture operating in partially coherent light using various resolution criteria, Applied Optics (USA), 17(14), 1978, 2176-2180.

Administrative Experience

Registrar (2011-2012) Dean of Student Affairs (2004-2010) Head, School of Physics & Materials Science (2003-2006) Coordinating Warden (1987-1989) Warden (1986-1989) Vice President, Alumni Association(1998-2000) Secretary TU Alumni Association (1996-1998) Professor-in-Charge Alumni Relations Office (2000-2005)

Message to Students & Community

‘The alternative to discipline is disaster’

Street: P.O. Box 32 Postcode: 147 004 City: Patiala Country: India Email: [email protected] and [email protected] Located in: School of Physics and Materials Science