Prabhakar Singh
Professor and Former Head
Department of Physics
Indian Institute of Technology
(Banaras Hindu University)
Varanasi-221005 (India)
Email: psingh.app@iitbhu.ac.in and psingh.app@gmail.com
Mo. Nos. +91-9451002283 and +91-8004924507

Educational Qualifications:

• Doctor of Philosophy (PhD): Natural Sciences, (Magna cum laude), Institute of Physical Chemistry, University of Muenster, Muenster, Germany. 
• Master of Technology (M. Tech.): (9.20 CGPA), Materials Science and Technology, School of Materials Science and Technology, Institute of Technology, Banaras Hindu University, Varanasi-India.
•  Master of Science (M. Sc.) : Physics,  (74.00%), Department of Physics, Banaras Hindu University, Varanasi-India.
• Bachelor of Science (B. Sc.):  (74.44%), Major subjects: Physics and Mathematics; Subsidiary subject: Chemistry, Udai Pratap Autonomous College, Varanasi affiliated to V.B.S. Purvanchal University, Jaunpur-India.
• Intermediate (74.60 %), U.P. Board, Udai Pratap Intermediate College, Varanasi.
• High School (69.67 %), U.P. Board, Udai Pratap Intermediate College, Varanasi.

Job Profile:

• Professor: Department of Physics, IIT (BHU), Varanasi (since Sep 2015).
• Associate Professor: Department of Physics, IIT (BHU), Varanasi (Nov 2010 - Sep 2015).
• Reader: Applied Physics, I.T. BHU, Varanasi (Nov. 2007- Nov, 2010).
• Lecturer / Assistant Professor in Physics, School of Sciences, Indira Gandhi National Open University, New Delhi (June 2006 - Nov. 2007).
• Lecturer / Assistant Professor in Physics, Udai Pratap Autonomous College, Varanasi (Oct. 1999 - June 2006).

Courses Taken/Involved:
Digital Electronics and Microprocessors
Microwave and Radar Engineering
Electromagnetic Theory and Optics / Introduction to Engineering Electromagnetics
Alternative/Non-conventional/Renewable Energy Sources
Advanced Materials Characterization Techniques
Condensed Matter Physics
Fuel Cells
Modern Physics

Present Group Members:
Research Associates:
1. Dr. Pardeep Kumar Jha (Under SERB sponsored Project)
2. Dr. Priyanka A Jha (CSIR Pool Officer)
3. Dr. Priyam Singh (Woman Scienrist)
4. Ms. Kamana Mishra (JRA)

PhD Students (Current):
1. Mr. Ashishkumar Yadav (full time external registration)
2. Ms. Pragati Singh
3. Mr. Manish Kumar
4. Mr. Ajay Shankar Bangwal
5. Ms. Vandna Tomar
6. Ms. Manisha Chauhan
7. Mr. Prem Chand Bharti
8. Ms. Uma Sharma
9. Mr. Ashish K. Ranjan
10. Ms. Swarnima Singh
11. Ms. Manisha Sharma
12. Mr. Praveen Kumar Singh (full time external registration)
13. Ms. Gargi
14. Mr. Jai Narayan Mishra

M. Tech./M.Sc Student:
1. Mr. Prateek Agrawal
2. Pranav Balasaheb

Former Group Members:
Research Associates:
1. Dr. Rajesh Kumar Singh (UGC - Dr. D. S. Kothari Post Doctoral Fellow)
2. Dr. Avadhesh Kumar Yadav (Research Associate-BRNS Project)
3. Dr. Nitish Kumar Singh (Research Associate-DRDO Project)
4. Dr. Satish Kumar Mandal (Research Associate-BRNS Project)
5. Dr. Pardeep Kumar Jha (Institute PDF)
6. Dr. Priyanka A Jha (PDF under CSIR Sponsored Poject)
7. Dr. Pawan Kumar Dubey (N-PDF)
8. Dr. Ashutosh Kumar Shahi (N-PDF)

PhD Students (Completed):
1. Dr. Nitish Kumar Singh
2. Dr. Raghvendra Pandey
3. Dr. Dr. Bheeshma Pratap Singh
4. Dr. Praveen Kumar Yadav
5. Mr. Onkar Nath Verma
6. Mr. Saurabh Singh
7. Ms. Vani Pawar
8. Rishikesh Yadav (As a Co-supervisor)

M. Tech. Students (Dissertation Completed):
1. Mr. Ankit Khanna
2. Mr. Hardeep Singh Sohee
3. Mr. Sharath S U
4. Mr. Kalluru Harsha Vardhan Reddy
5. Mr. Nishant Gupta
6. Mr. Hirulkar Ajay Prakash
7. Mr. Dinesh Kumar
8. Ms. Madhvi Swami
9. Mr. Dhruvil Hapani
10 Mr. Yash Kumar Saurabh

Field of Research Interest:
Condensed Matter Physics, Experimental Materials Science and technology including Ion Conducting Glasses, Solid state electrolytes, Materials for Fuel Cells, Materials for Solar Cells, Ceramic Materials for Sensor applications, Electrical, dielectric and piezoelectric properties of the electro-ceramics,  Functional materials for energy applications.

Papers Published/Accepted:  

1. Bandgap and electrochemical engineering for disordered LaFeO ₃, Uma Sharma, U.  K. Kailash Veerappan, Pardeep Jha, Priyanka Jha, and Prabhakar Singh, J. Appl. Phys. (Accepted) 
2. Bandgap engineering in TiO₂/rGO 1D photonic metasurfaces as broadband Solar absorber, Yash K. Saurabh, P.A. Jha, P.K. Dubey, P.K. Jha and Prabhakar Singh, J. Appl. Phys. (Accepted)
3. Study of synthesis mechanism, structural, optical and luminescent properties of bluish-violet rare earth doped KSrVO4: Nd3+ nano powders, Parul Sharma, Prabhakar Singh, Kamni, Materials Science & Engineering B, 276 (2021) 115564.
4. Influence of quenching rate and quenching media on formation of TeO2 Glasses, Vandna Tomar, Raghvendra Pandey, Prabhakar Singh, Journal of Materials Science: Materials in Electronics, Volume- 32, Issue- 13, May 2021, Pages 17726-17740.
5. Studies on Diffuse Phase Transition in Co and La doped BaTi_0.85Sn_0.15O₃, Sindhu Singh; Prabhakar Singh, Om Parkash, Devendra Kumar, Journal of Materials Science: Materials in Electronics, Volume- 32, Issue- 12, May 2021, Pages 16494-16504.
6. Effect of transition metal Mn²⁺ ion doping on the structural, spectral and photoluminescent properties of NaSrVO₄ prepared by combustion synthesis, Parul Sharma, Pankaj Biswas, Prabhakar Singh, Kamni, Journal of Alloys and Compounds, Volume- 872, March 2021, Page 159626.
7. Hysteresis in centrosymmetric CuPbI₃ perovskite halide: apolar dielectric or orientable dielectric? Prem C. Bharti, Pardeep K. Jha, Priyanka A. Jha and Prabhakar Singh, Journal of Physics: condensed Matter, Volume- 33, Issue- 15, February 2021, Page 155703.
8. Influence of Ba doping on the electrical behaviour of La_0.9Sr_0.1Al_0.9Mg_0.1O_3-d system for a solid electrolyte, ON Verma, Saurabh Singh, VK Singh, M Najim, R Pandey, Prabhakar Singh, Journal of Electronic Materials, Volume- 50, Issue- 3, January 2021, Pages 1010-1021.
9. Polyol-mediated synthesis of Bi-deficient Mg²⁺-doped sodium bismuth titanate and study of oxide ion migration behaviour with functional properties, Pragati Singh, Raghvendra Pandey, Prabhakar Singh, Journal of Alloys and Compounds, Volume- 860, December 2020, Page 158492.
10. Signature of Oxide-Ion Conduction in Alkaline-Earth-Metal-Doped Y₃GaO₆, Pragati Singh, Raghvendra Pandey, Tadeusz Miruszewski, Kacper Dzierzgowski, Aleksandra Mielewczyk-Gryn, Prabhakar Singh, ACS Omega, Volume- 5, Issue- 47, November 2020, Pages 30395-30404.
11. Colour tunability in a bimodal fluorescent hybrid nanostructure UCNPs@AuNPs@QDs, Priyam Singh, Prabhakar Singh, Rajiv Prakash, Shyam Bahadur Rai and Sunil Kumar Singh, Current Applied Physics, Volume- 20, Issue- 10, October 2020, Pages 1150-1155.
12. Polymorph co-existence and its implication on transport dynamics in monomer and trimer strontium meta-silicate, Raza Shahid, Raghvendra Pandey and Prabhakar Singh, Physics and Chemistry of Solids, Volume- 147, July 2020, Page 109641.
13. Compositional effect on Oxygen Reduction Reaction in Pr excess double perovskite Pr_1+xBa_1-xCo₂O_6-δ cathode materials, Ajay S. Bangwal, Pardeep K. Jha, Manisha Chauhan, Shikha Singh, A S K Sinha, Priyanka A. Jha and Prabhakar Singh, International journal of hydrogen energy, Volume- 45, Issue- 43, July 2020, Pages 23378-23390.
14. Hysteric photo conduction and negative differential resistance in Cesium Lead Bromide, Manish Kumar, Priyanka A. Jha, Pardeep K. Jha and Prabhakar Singh, Journal of applied physics, Volume- 127, Issue- 22, June 2020, Page 224904.
15. Modified polyol-mediated synthesis of Sr- and W- substituted La₂Mo₂O₉ solid electrolyte for solid oxide fuel cells, Raghvendra Pandey, Saurabh Singh, Prabhakar Singh, Journal of Materials Science: Materials in Electronics, Volume- 31, Issue- 14, June 2020, Pages 11325-11335.
16. Field-induced ferroelectricity in paraelectric phase of Barium strontium titanate, Vandna Tomar, Pardeep K. Jha, A.S.K. Sinha, Priyanka A. Jha and Prabhakar Singh, Journal of Materials Science: Materials in Electronics, Volume- 31, Issue- 7, June 2020, Pages 5608-5616.
17. Microstructural dependent oxygen reduction reaction in Ruddlesden Popper perovskite (SmSr)NiO_4-δ, Manisha Chauhan, Pardeep K. Jha, Ajay S. Bangwal, Priyanka A. Jha and Prabhakar Singh, Physical Chemistry Chemical Physics, Volume- 22, Issue- 21, May 2020, Pages 12294-12300.
18. Enhancement in pyroelectricity of polar Ba_0.9Sr_0.1TiO₃ -TeO₂ glass-ceramics, Vandna Tomar, Pardeep K. Jha, A.S.K. Sinha, Priyanka A. Jha and Prabhakar Singh, Journal of Non-Crystalline Solids, Volume- 535, February 2020, Page 119964.
19. High –temperature conduction mechanism of samarium ferrite substituted sodium niobate ceramics, Dinesh Kumar, Ajay S. Bangwal, Saurabh Singh, Priyanka A. Jha and Prabhakar Singh, Physica B: Condensed Matter, Volume- 582, January 2020, Page 412028.
20. Ion dynamics of non-stoichiometric Na_0.5+xBi_0.5-xTiO_3-δ: A degradation study, P. Singh, P.K. Jha, A. S. K. Sinha, P.A. Jha, Prabhakar Singh, Solid State Ionics, Volume- 345, November 2019, Page 115138.  
21. Influence of iso-valent ‘Sm’ double substitution on the ionic conductivity of La_0.9Sr_0.1Al_0.9Mg_0.1O_3-δ ceramic system, O.N. Verma, P.A. Jha, P. Singh, P.K. Jha, Prabhakar Singh, Materials Chemistry and Physics, Volume- 241, October 2019, Page 122345.
22. Suitability of Sm³⁺-Substituted SrTiO₃ as Anode Materials for Solid Oxide Fuel Cells: A Correlation between Structural and Electrical Properties, Saurabh Singh, Raghavendra Pandey, Sabrina Presto, Maria Paola Carpanese, Antonio Barbucci, Massimo Viviani and Prabhakar Singh, Energies, Volume- 12, Issue- 21, October 2019, Pages 1-16.
23. Photo-physical studies of ultrasmall upconversion nanoparticles embedded organo-metallic complexes: Probing a dual mode optical sensor for hydrogen peroxide, Priyam Singh, Prabhakar Singh, R. Prakash and S.B. Rai, Optical Materials Volume- 98, October 2019, Page 109459.
24. Generation of red-NIR bi-modal fluorescence in hybrid nanostructure, Priyam Singh, S. K. Singh, Prabhakar Singh, R. Prakash and S.B. Rai, Materials Research Bulletin, Volume 122, October 2019, Page 110663.
25. Influence of synthesis route on structural, optical, and electrical properties of TiO₂ Vani Pawar, Manish Kumar, P. K. Dubey, Manish K. Singh, A. S. K. Sinha and Prabhakar Singh, Applied Physics. A, volume 125, Issue 9, August 2019, Pages 657(1-14).
26. Ambient atmospheric temperature processed lead halide perovskites, Vani Pawar, Manish Kumar, Priyanka A. Jha, S. K. Gupta, A. S. K. Sinha, Pardeep K. Jha and Prabhakar Singh, Journal of Thermal Analysis and Calorimetry, Volume 139, Issue 5, August 2019, Pages 657(1-14).
27. Influence of Sintering Temperature on Ion Dynamics of Na_0.5Bi_0.5TiO_3-δ: Suitability as an Electrolyte Material for SOFC, Pragati Singh, Pardeep K. Jha, Priyanka A. Jha and Prabhakar Singh, International Journal of Hydrogen Energy, Volume 45, Issue 34, July 2019, Pages 17006-17016.
28. Influence of Lanthanum Doping on Structural and Electrical/Electrochemical Properties of Double Perovskite Sr2CoMoO6 as Anode Materials for Intermediate-Temperature Solid Oxide Fuel Cells, Pravin Kumar, Paramananda Jena, P. K. Patro, R. K. Lenka, A. S. K. Sinha, Prabhakar Singh and Rajendra Kumar Singh,  ACS Applied Material and  Interfaces, Volume 11, Issue 27, June 2019, Pages 24659-24667.
29. Porous and high conducting cathode material PrBaCo₂O_6 − δ: The bulk and surface studies for synthesis anomaly, Ajay S. Bangwal, Pardeep K. Jha, Pawan K. Dubey, Manish K. Singh, A. S. K. Sinha, Vasant Sathe, Priyanka A. Jha and Prabhakar Singh, Physical Chemistry Chemical Physics, Volume 21, June 2019, Pages 14701-14712.
30. Preparation of controlled lotus like structured ZnO decorated reduced graphene oxide nano composites to obtain enhanced photocatalytic properties, Rishikesh Yadav, Vijay Kumar, Vipul Saxena, Prabhakar Singh, Vinay Kumar Singh, Ceramic International, Volume 45, Issue 18 Part B, April 2019, Pages 24999-25009.
31. Thermo-optical correlation for room temperature synthesis: cold sintered lead halides Manish Kumar, Vani Pawar, Priyanka A. Jha, S.K. Gupta, A. S. K. Sinha, Pardeep K. Jha and Prabhakar Singh, Journal of Material Science: Materials in Electronics, Volume 30, Issue 6, February 2019, Pages 6071-6081.
32. Two-step synthesis of reduced graphene oxide with columnar-shaped ZnO composites and their photocatalytic performance with natural dye, Rishikesh Yadav, Vijay Kumar, VipulSaxena, Prabhakar Singh, Vinay Kumar Singh, Journal of the Australian Ceramic Society, Volume 55, Issue 3, January 2019, Pages 837-848.
33. Cs/MAPbI₃ composite formation and its influence on optical properties, Vani Pawar, Manish Kumar, Priyanka A. Jha, S.K. Gupta, Pardeep K. Jha and Prabhakar Singh, Journal of Alloys and Compounds, Volume 783, December 2018, Pages 6071-6081.
34. Dy doped SrTiO3: a promising anodic material in Solid Oxide Fuel Cells, Saurabh Singh, Prabhakar Singh, Massimo Viviani, Sabrina Presto International Journal of Hydrogen Energy, Volume 43, Issue 41, September 2018, Pages 19242-19249.
35. Structural and photoluminescence properties of thermally stable Eu3+activated CaWO4 nanophosphor via Li+ incorporation, DhananjayKumar , B.P. Singh , Monika Srivastava, Prabhakar Singh, Anchal Srivastava and S.K. Srivastava Journal of  Luminescence, Volume 203, June 2018, Pages 507-514.
36. Correlation between piezoelectric and magnetic properties of Fe and Sm co-substituted potassium niobate piezoelectric ceramics, Madhvi Swami, Onkar Nath Verma, Vandna Tomar, Manish Kumar, Kamal K Srivastav, Vasant Sathe, Priyanka A. Jha  and Prabhakar Singh, Physical Chemistry Chemical Physics, Volume 20, June 2018, Pages 18800-18810.
37. Band-gap engineering in ZnO thin films: A combined experimental and theoretical study, Vani Pawar, Pardeep K. Jha, S. K. Panda and Prabhakar Singh, Physical Review Applied, Volume 9, Issue 5, May 2018, Pages 054001(1-10).
38. Structural and electrical conduction behaviour of yttrium doped strontium titanate: anode material for SOFC application, Saurabh Singh, Priyanka A. Jha, Sabrina Presto, Massimo Viviani, A. S. K. Sinha, Salil Varma and Prabhakar Singh, Journal of Alloys and Compounds, Volume 748, March 2018, Pages 637-644.
39. Surface modification of aligned TiO2 nanotubes by Cu2O nanoparticles and their enhanced photo electrochemical properties and hydrogen generation application, Pawan K. Dubey, R. Kumar, R. S. Tiwari, O. N. Srivastava, A. C. Pandey and Prabhakar Singh, International Journal of Hydrogen Energy, Volume 43, Issue 14, March 2018, Pages 6867-6878.
40. Electrical conductivity of Ni/Mo-based double perovskites under SOFC anodic conditions, S. Presto, P. Kumar, S. Varma, M. Viviani and Prabhakar Singh, International Journal of Hydrogen Energy, Volume 43, Issue 9, February 2018, Pages 4528-4533.
41. The effect of synthesis and thermal treatment on phase composition and ionic conductivity of Na doped SrSiO₃. R. Pandey, M. Viviani, Prabhakar Singh, R. Botter, M. P. Carpanese, A. Barbucci and S. Presto, Solid State Ionics, Volume 314, January 2018, Pages 172-177.
42. A structural –electrical property correlation in A-site double substituted lanthanum aluminate, O. N. Verma, P. K. Jha and Prabhakar Singh, Journal of Applied Physics Volume 122, Issue 22, December 2017, Pages 225106(1-8).
43. Electrical conductivity of YSZ-SDC composite solid electrolyte synthesized via glycine nitrate method, Raghvendra, Prabhakar Singh, Ceramics International, Volume-43, Issue-15, October 2017, Pages 11692-11698
44. Sm/Ti co-substituted bismuth ferrite multiferroics: reciprocity between tetragonality and piezoelectricity, Pardeep K. Jha, Priyanka A. Jha, Prabhakar Singh, R. Ranjan and R. K. Dwivedi, Physical Chemistry Chemical Physics, Volume 19, September 2017, Pages 26285-26295.
45. Effect of samarium (Sm³⁺) doping on structure and electrical conductivity of double perovskite Sr₂NiMoO₆ as anode material for SOFC, Pravin Kumar, Sabrina Presto, A.S.K. Sinha, Salil Varma, Massimo Viviani, Prabhakar Singh, Journal of Alloys and Compounds, Volume- 725, July 2017, Pages 1123-1129
46. A comparative of aqueous tape and pellet of La_0.89 Ba_0.01Sr_0.1Al_0.9Mg_0.1O_3-δ electrolyte material, O.N. Verma, Priyanka A. Jha, Anand Melkeri and Prabhakar Singh, Physica B: Condensed Matter, Volume-521, Issue-, June 2017, Pages 230-238
47. Large Polaron Hopping phenomenon in Lanthanum doped Strontium Titanate, Saurabh Singh, Priyanka A. Jha, Salil Varma and Prabhakar Singh, Journal of Alloys and Compounds, Volume- 704, February  2017, Pages 707-716
48. A comparative of structural, optical, mechanical and electrical properties of alkaline earth metal substituted tellurite glasses, Awadhesh Kumar Yadav, Priyanka A. Jha and Prabhakar Singh, Journal of Materials Science: Materials in Electronics, Volume- 28, Issue- 10, February 2017, Pages 7419-7428.
49. AC conductivity and ion dynamics of alkaline earth metal substituted telluride glasses, Priyanka A. Jha, Avadhesh Kumar Yadav, Pardeep K. Jha. Prabhakar Singh, Journal Non-crystalline solids, Volume- 452, Issue-, November 2016, Pages 203-209.
50. Synthesis, characterization and AC conductivity of alkali metal substituted telluride glasses, Awadhesh Kumar Yadav, Priyanka A. Jha, Sevi Murugavel and Prabhakar Singh, Solid State Ionics, Volume- 296, November 2016, Pages 54-62
51. Structural and electrical characterizations of cerium (Ce³⁺)- doped double perovskite system Sr₂NiMoO_6-δ, Pravin Kumar, Nitish Kumar Singh, A. S. K. Sinha, Prabhakar Singh, Applied Physics A: Materials Science and Processing, Volume- 122, Issue- 9, August 2016, Pages 1-10
52. Effect of donor and acceptor dopants on crystallization, microstructural and dielectric behaviors of barium strontium titanate glass ceramics, Avadhesh Kumar Yadav, C.R. Gautam, Prabhakar Singh, Journal of Alloys and Compounds, Volume- 672, July 2016, Pages 52-58.
53. Effect of lanthanum (La³⁺) doping on structural and the electrical properties of double perovskite Sr₂NiMoO₆, Pravin Kumar, Nitish Kumar Singh, Goving Gupta, Prabhakar Singh, RSC Advances, Volume- 6, Issue-26, February 2016, Pages 22094-22102
54. Fabrication of Lanthanum Ferrite based Liquefied Petroleum Gas Sensor, Avadhesh Kumar Yadav, Prabhakar Singh, Sensors and Actuators, B: Chemical, Volume- 229, January 2016, Pages 25-30
55. Influence of Bi₂O₃ additive on the electrical conductivity of calcia stabilized zirconia solid electrolyte, Raghvendra, Prabhakar Singh, Journal of the European Ceramic Society, Volume- 35, Issue- 5, December 2015, Pages 1485-1493.
56. Electrical conduction mechanism in Se_90-xTe₅Sn₅In_x (x = 0, 3, 6 and 9) multicomponent glassy alloys, Indra Sen Ram, Sunil Kumar, Rajesh Kumar Singh, Prabhakar Singh, and Kedar Singh, AIP Advances, Volume- 5, Issue-8, August 2015, Pages 1-7
57. Influence of Ni/Mo ratio on structural and electrical properties of double perovskite system Sr₂Ni_1+xMo_1-xO_6−δ, Pravin Kumar, Nitish Kumar Singh, Rajesh Kumar Singh and Prabhakar Singh, Applied Physics A: Materials Science and Processing,Volume- 121, Issue- 2 , August 2015, Pages 635-644
58. A Review on Structure of Glasses by Raman Spectroscopy, A. K. Yadav, Prabhakar Singh, RSC Advances, Volume- 5 Issue- 83, July 2015, Pages 67583-67609.
59. Impedance Spectroscopic Studies of Mixed Alkali Tellurite glasses, Avadhesh Kumar Yadav, Prabhakar Singh, Journal of Materials Science, Volume- 26, Issue- 12, June 2015, Pages 9443-9450
60. Improved photo-luminescence behaviour of Eu³⁺ activated CaMoO₄ nanoparticles via Zn²⁺ incorporation, B. P. Singh, Maheshwary, P. V. Ramakrishna, Saurabh Singh, V. K. Sonu, Santosh Singh, Prabhakar Singh, A. Bahadur, R. A. Singh and S. B. Rai, RSC Advances, Volume- 5, Issue- 69, May 2015, Pages 55977-55985.
61. Electrical conductivity of bismuth doped dysprosia stabilized zirconia as an electrolyte material for solid oxide fuel cell, Raghvendra, Prabhakar Singh, International Journal of Mateial Research, Volume -106, May 2015, Pages 535-538.
62. Dielectric Behavior of Lanthanum added Barium Strontium Titanate Borosilicate Glass Ceramics, Avadhesh Kumar Yadav, Chandkiram Gautam, Prabhakar Singh, Journal of Materials Science: Materials in Electronics, Volume 26, Issue 7, April 2015, Pages 5001-5008.
63. Study of ion dynamics in lanthanum aluminate probed by conductivity spectroscopy, O.N. Verma, N.K. Singh, Raghvendra, Prabhakar Singh, RSC Advances, Volume- 5, Issue- 28, February 2015, Pages 21614-21619.
64. Anomalous Electrical Properties of Poly Vinyl Alcohol film with Tb³⁺ ion and Copper nanoparticles in different solvents, Brijesh Kumar, Gagandeep Kaur, Prabhakar Singh, S.B. Rai, RSC Advances, Volume-5, Issue-2, November 2014, Pages:1648-1654.
65. Crystallization and Dielectric Properties of Fe₂O₃ Doped Barium Strontium Titanate Borosilicate Glass, A.K. Yadav, C.R. Gautam, Prabhakar Singh, RSC Advances, Volume-5, Issue-4, November 2014, Pages: 2819-2826.
66. Enhanced up-conversion and temperature-sensing behaviour of Er³⁺ and Yb³⁺ co-doped Y₂Ti ₂O₇ by incorporation of Li⁺ ions, B.P. Singh, A.K. Parchur, R.S. Ningthoujam, P.V. Ramakrishna, S. Singh, Prabhakar Singh, S.B. Rai, R. Maalej, Physical Chemistry Chemical Physics, Volume-16, Issue-41, September 2014, Pages: 22665-22676.
67. Electrical conductivity of LSGM-YSZ composite materials synthesized via co-precipitation route, Raghvendra, Rajesh Kumar Singh, Prabhakar Singh, J. Materials Science, Volume-49, Issue-16, May 2014, Pages: 5571-5578.
68. Structural and Electrical Behavior of Double Perovskite Material Sr₂NiMoO_6-δ,
    Pravin Kumar, Rajesh Kumar Singh and Prabhakar Singh, Advanced Science Letter ,Volume- 20,Issue-,March 2014, Pages: 647-649.
69. Investigations on structural and electrical properties of calcium substituted LSGM electrolyte materials for IT-SOFC, Raghvendra, Rajesh Kumar Singh, Prabhakar Singh, Ceramics International, Volume-40,Issue- 7 PART B, March 2014 , Pages:10711-10718.
70. Influence of small DC-bias field on the electrical behaviour of Sr and Mg doped lanthanum Gallate,Raghvendra, Rajesh Kumar Singh, Prabhakar Singh, Applied Physics A: Materials Science and Processing ,Volume-116, Issue-4, March 2014,Pages: 1793-1800.
71. Electrical conductivity of barium substituted LSGM electrolyte materials for IT-SOFC,  Raghvendra, Rajesh Kumar Singh, Prabhakar Singh, Solid State Ionics, Volume-262,Issue- ,January 2014, Pages: 428-432.
72. Synthesis of La_0.9Sr_0.1Ga_0.8Mg_0.2O_3-δ electrolyte via ethylene glycol route and its characterizations for IT-SOFC, Raghvendra, Rajesh Kumar Singh, Prabhakar Singh, Ceramics International, Volume- 40, Issue-5, December 2013, Pages: 7177-7184.
73. Influence of Gd³⁺ co-doping on structural property of CaMoO₄: Eu nanoparticles, B. P. Singh, A.K. Parchur, R.S. Ningthoujam, A.A. Ansari, P. Singh and S.B. Rai, Dalton Transactions, Volume- 43, Issue-12, December 2013, Pages: 4770-4778.
74. Enhanced photoluminescence in CaMoO₄:Eu³⁺ by Gd³⁺ co-doping, B. P. Singh, A. K. Parchur, R. S. Ningthoujam, A. A. Ansari, P. Singh and S.B. Rai, Dalton Transactions, Volume- 43, Issue-12, December 2013, Pages: 4779-4789.
75. Dye sensitized solar cell based on poly (vinyl alcohol) doped with ammonium iodide solid polymer electrolyte, V.K. Singh, A. Annu, U. Singh, Prabhakar Singh, S.P. Singh, P.K. Singh, Journal of Optoelectronics and Advanced Materials, Volume-15, Issue-9-10, October 2013, Pages: 927-931.
76. Influence of grain and grain boundary resistances on dielectric properties of KNbO₃ under small DC bias field, Sharath S. U., R. K. Singh, Raghvendra, B.P. Singh, P. Kumar and Prabhakar Singh, Journal of American Ceramic Soceity, Volume-96, Issue-, October 2013, Pages: 3127-3132.
77. Synthesis, I R, crystallization and dielectric study of (Pb,Sr)TiO­₃ borosilicate glass ceramics, C. R. Gautam, D. Kumar_, O. Parkash and Prabhakar Singh, Bulletin of Materials Science,Volume- 36 , Issue-3, June 2013, Pages:461-469.
78. Effect of isovalent ion substitution on electrical and dielectric properties of LaCrO₃, PravinKumar,Rajesh Kumar Singh, A.S.K. Sinha and Prabhakar Singh, Journal of Alloys and Compounds, Volume- 576 ,Issue-, April 2013, Pages: 154-160.
79. Synthesis, crystallisation and microstructural study of perovskite (Ba,Sr)TiO₃ borosilicate glass ceramic doped with La₂O₃, Chandkiram Gautam , Avadhesh Kumar Yadav,  Prabhakar Singh, Material Research Innovations ,Volume-17, Issue-3,April 2013, Pages:148-153.
80. Structural and Electrical Characterizations of Lanthanum Chromite: Effect of Synthesis Routes, Pravin Kumar, Rajesh Kumar Singh and Prabhakar Singh, Transactions of Indian Ceramic Society, Volume 71, Issue- 4, April 2013, Pages 239-242.
81. Synthesis, structural, optical and electrical properties of metal nanoparticle–rare earth ion dispersed in polymer film, Brijesh Kumar, Gagandeep Kaur, P. Singh, S. B. Rai, Applied Physics B, Volume-110, Issue-3, March 2013, Pages: 345-351.
82. Effect of Different Sized of Ceo₂ Nano Particles on Decomposition and Hydrogen Sorption Kinetics of Magnesium Hydride, Rajesh Kumar Singh, T. Sadhasivam, G. I. Sheeja, Prabhakar Singh and O. N. Srivastava, Int. Journal of Hydrogen Energy, Vol- 38, Issue- 14, January 2013, Pages 6221-6225.
83. Structural and up-conversion properties of Er³⁺ and Yb³⁺ co-doped Y₂Ti₂O₇ phosphors, B. P. Singh, A.K. Parchur, R.K. Singh, A.A. Ansari, P. Singh and S. B. Rai, Physical Chemistry Chemical Physics, Volume-15, Issue-10, January 2013, Pages: 3480-3489.
84. Effect of Pb addition on dielectric relaxation in Se80In20 glassy system, IndraSen Ram, Rajesh Kumar Singh, Prabhakar Singh, Kedar Singh, Journal of Alloys and Compounds, Volume-552, Issue-, November 2012, Pages: 480-485.
85. Structural characterization, electrical and dielectric relaxations in Dy-doped zirconia, Raghvendra, Prabhakar Singh, Rajesh Kumar Singh, Journal of Alloys and Compounds, Volume- 549, September 2012, Pages: 238-244.
86. Dispersion in AC conductivity of fragile glass melts near glass transition temperature, Prabhakar Singh, Bheeshma Pratap Singh, Raghvendra, Solid State Ionics, Volume 227, September 2012, Pages 39-45.
87. Crystallization Kinematics and Dielectric Behavior of (Ba,Sr)TiO3 Borosilicate Glass Ceramics, Avadhesh Kumar Yadav, Chandkiram Gautam, Prabhakar Singh, New Journal of Glass and Ceramics, Volume 2, Issue- 3, July 2012, Pages 126-131.
88. Synthesis, structure and impedance spectroscopic analysis of [(PbxSr12x)_OTiO2] [(2SiO2_B2O3)]–7[BaO]–3[K2O], glass ceramic system doped with La₂O₃, C.R. Gautam, Prabhakar Singh, O.P. Thakur, D. Kumar, O. Parkash, Journal of Materials Science, Vol- 47, Issue- 18, June 2012, Pages 6652-6664.
89. Study of Impedance Spectroscopy of Ferroelectric (Pb,Sr)TiO3 Glass Ceramic Systemwith Addition of La2O3, C.R. Gautam, D. Kumar, Prabhakar Singh, O. Parkash, ISRN Spectroscopy, Volume 2012, February 2012, Pages 1-11.
90. Scaling of the low temperature conductivity spectra of BaSn1-xNbxO3 (x ≤ 0.100): Temperature and compositional independent conductivity, Prabhakar Singh, Raghvendra, Om Parkash and Devendra Kumar, Physical Review B, Volume 84, Issue 17, November 2011, Pages 174306(1-6).
91. Electrical conductivity of undoped, singly doped, and co-doped ceria, Nitish Kumar Singh, Prabhakar Singh, Devendra Kumar and Om Parkash, Ionics, Volume 18, Issue 1-2, July 2011, Pages 127-134.
92. Dielectric Properties of Calcium Doped BaTi0.85Sn0.15O3: A Diffuse Phase Transition, Sindhu Singh, Prabhakar Singh, Om Parkash, Devendra Kumar, Materials Chemistry and Physics, Volume 123, Issue 2-3, October 2010, Pages 786-790.
93. Auto Combustion Synthesis and Properties of Ce_0.85Gd_0.15O_1.925 for Intermediate Temperature Solid Oxide Fuel Cells Electrolyte, Nitish Kumar Singh, Prabhakar Singh, Manish Kumar Singh, Devendra Kumar and Om Parkash, Solid State Ionics, Volume 192, Issue- 1, May 2010, Pages 431-434.
94. Structural and relaxor behaviour of (B_1-xLa_x)(Ti_0.85Sn_0.15)O₃ ceramics obtained by solid state reaction, Sindhu Singh, Prabhakar Singh, Om Parkash, Devendra Kumar, Journal of alloys and Compounds, Volume 493, Issue 1-2, January 2010, Pages 522-528.
95. XPS and Mössbauer studies on BaSn_1-xNb_xO₃ (x ≤ 0.100), Prabhakar Singh, B. J. Brandenburg, C. P. Sebastian, D. Kumar, O. Parkash, Materials Research Bulletin, Volume 43, Issue 8-9, September 2008, Pages 2078-2084.
96. Electronic Structure, Electrical and Dielectric Properties of BaSnO₃ below 300 K, Prabhakar Singh, B. J. Brandenburg, C. P. Sebastian, Prakash Singh, Sindhu Singh, D. Kumar, O. Parkash, Japanese Journal of Applied Physics, Volume 47, Issue 5 part 1, May 2008, Pages 3540-3545.
97. Electrical Conduction Behavior and Immittance Analysis of Gd and Mn Substituted Strontium Titanate, Prakash Singh, Prabhakar Singh, Sindhu Singh, Om Parkash, Devendra Kumar J. Mater. Sci., Volume 43, Issue- 3, November 2007, Pages 989-1001.
98. Conductivity Dispersion in Supercooled Calcium Potassium Nitrate: Caged Ionic Motion Viewed as Part of Standard Behaviour, Klaus Funke, Prabhakar Singh, Radha Dilip Banhatti, Phys. Chem. Chem. Phys., Volume 9, Issue- 41, October 2007, Pages 5582-5590.
99. Correlation of microstructure and electrical conduction behaviour with defect structure of niobium doped barium stannate, Prabhakar Singh, C. P. Sebastian, D. Kumar, O. Parkash, J. Alloys and Compounds, Volume 437, Issue 1-2, September 2006, Pages 34-38.
100. Electrical conduction behaviour of perovskite oxide system BaSn_1-xNb_xO₃, Prabhakar Singh, O. Parkash, D. Kumar, Solid State Ionics, Volume 176, Issue 25-28, June 2005, Pages 2167-2170.
101. Correlation between viscosity and ion dynamics in a fragile ionic melt, Prabhakar Singh, R. D. Banhatti and K. Funke, Phys. Chem. Glasses, Volume 46, Issue- 2, April 2005, Pages 241-244.
102. Dielectric behaviour of the system BaSn_1-xNb_xO₃ (x ≤ 0.10), Prabhakar Singh, D. Kumar, O. Parkash, J. Appl. Phys., Volume 97, Issue- 7, March 2005, Pages 074103(1-5).
103. DC conduction behaviour of niobium doped barium stannate, Prabhakar Singh, O. Parkash, D. Kumar, Journal of Materials Science: Materials in Electronics, Volume 16, Issue- 3, March 2005, Pages 145-148.
104. Non-Arrhenius viscosity related to short-time ion dynamics in a fragile molten salt, P. Singh, R.D. Banhatti, K. Funke, Phys. Chem. Chem. Phys., Volume 7, Issue- 6, February 2005, Pages 1096-1099.
105. Ionic conductivity of fragile glass-forming molten salt: modelling its dependence on frequency, temperature and pressure, K. Funke, M. D. Ingram, R. D. Banhatti, Prabhakar Singh and S. J. Pas, Z. Metallkunde, Volume 95, Issue- 10, October 2004, Pages 921-927.

 
Papers Published as Conference Proceedings.

1.  Effect of synthesis route on the structural and electrical properties of sodium bismuth titanate: A comparative study of solid-state and polyol mediated synthesis, Pragati Singh, Raghvendra Pandey, P.K. Singh, Prabhakar Singh, Materials Today: Proceeding, Volume 46, Part 12, February 2021, Pages 5711-5715
2. Polyol-mediated synthesis of La0.9Sr0.1Ga0.8Mg0.2O2.85-Ce0.85Sm0.15O1.925 composite electrolyte for IT-SOFCs, Raghvendra Pandey, Pragati Singh, A.K. Singh, Prabhakar Singh,  Materials Today: Proceeding, December 2020, DOI: 10.1016/j.matpr.2020.10.908
3. Tailoring the electrical and structural properties of sodium bismuth titanate with sintering temperature, Pragati Singh, Raghvendra Pandey, Prabhakar Singh,  AIP Conference Proceeding, Volume 41, Part 1, September 2020, Pages 166-169.
4. Photoconduction in CuO, Ashish K. Ranjan, Priyanka A. Jha, Pardeep K. Jha and P. Singh, Materials Today: Proceedings, Volume 28, Part 1, February 2020, Pages 131-133.
5. Photo-response in CuPbBr₃, Prem C. Bharti, Pardeep K. Jha, Priyanka A. Jha and P. Singh, Materials Today: Proceedings, Volume 28, Part 1, February 2020, Pages 182-184.
6. Synthesis and Characterization of Cathode material Pr_0.6Ba_1.4Co₂O_6-δ for IT-SOFC and its comparative study with PrBaCo₂O_6-δ Ajay S. Bangwal, Priyanka A. Jha, Pardeep K. Jha and Prabhakar Singh, AIP conference Proceedings, Volume 2220, Issue 1, May 2020, Pages 140042(1-4).
7. Influence of Sintering Temperature on the Structural, Electrical and Optical Properties of SmSrNiO_4+δ, Manisha Chauhan, Priyanka A. Jha, Pardeep K. Jha and Prabhakar Singh, AIP conference Proceedings, Volume 2220, Issue 1, May 2020, Pages 140044(1-4).
8. Influence of Br- substitution on the physical properties of cesium lead iodides Manish Kumar, Vani Pawar, Priyanka A. Jha, Pardeep K. Jha and P. Singh AIP conference Proceedings, Volume 2220, Issue 1, May 2020, Pages 140045(1-4).
9. Electrical conductivity study of A-site non-stoichiometric Na_0.5+xBi_0.5-xTiO_3-δ, AIP conf. Proceedings Pragati Singh, Priyanka A. Jha, Rag3hvendra Pandey, Pardeep K. Jha and Prabhakar Singh, AIP conference Proceedings, Volume 2220, Issue 1, May 2020, Pages 140027(1-4).
10. Vandna Tomar, Priyanka A. Jha and P. Singh, Influence of Processing Conditions on the Piezoelectric Constant and Curie Temperature of Ba_0.7Sr_0.3TiO₃ Piezoelectric Ceramics, AIP conf. Proceedings, AIP conference Proceedings, Volume 2009, Issue 1, August 2008, Page 020009.
11. Dhruvil S. Hapani, Pragati Singh, Pardeep K. Jha and P. Singh, A Comparative Electrical Conductivity Behaviour of BaTiO₃And CaTiO₃, AIP conference Proceedings, Volume 2009, Issue 1, August 2008, Page 020010.
12. Vani Pawar, Manish Kumar, P. K. Dubey and P. Singh, Formation of TiO₂ Nano-Rods by Hydrothermal Synthesis Method, AIP conference Proceedings, Volume 2009, Issue 1, August 2008, Page 020020.
13. Observation of shift in band gap with annealing in hydrothermally synthesized TiO₂ thin films, Vani Pawar, P. K. Jha and P. Singh, AIP conference Proceedings, Volume 1953, Issue 1, May 2008, Page 030097.
14. Study of lanthanum aluminate for cost effective electrolyte material for SOFC, O. N. Verma, A. K. Shahi and P. Singh, AIP conference Proceedings, Volume 1953, Issue 1, May 2008, Page 030040.
15. “Luminescence and Electrical Behavior of Lead Molybdate Nanoparticles” B. P. Singh, A. K. Parchur, S. B. Rai and P. Singh, AIP conference Proceedings, Volume 1512, Issue 1, February 2013, Page 248.
16. “Electrical Properties of Ba doped LSGM as Electrolyte Material for Solid Oxide Fuel Cells”, Raghvendra, Rajesh Kumar Singh and Prabhakar Singh, AIP conference Proceedings, Volume 1512, Issue 1, February 2013, Page 976.
17. LSGM-YSZ composite as electrolyte materials for Solid oxide Fuel Cells”, Raghvendra, Prabhakar Singh, Conference Proceedings of ICRACM-2013.
18. “Ab initio and DFT studies on vibrational spectra of Nephthalene, its cation and substituted naphthalene” S.K. Dwivedi, M.K. Singh, S.K. Singh, P. Singh, V.B. Singh, Proceedings of “RajarshiUdaiPratap Memorial International Workshop on Spectroscopic Signatures of Molecular Complexes/Ions in our Atmosphere and Beyond” (2010, ISBN: 978-81-7124-764-6).
19. “Conductivity and permittivity measurements of Calcium Nitrate-Potassium Nitrate Melt at Radiowave and Microwave Frequencies” P. Singh, Proceedings of 1^stRashtreeyaYuvaVaigyanicSammelan (2008).
20. Dielectric behaviour of manganese modified strontium titanate ceramics synthesized by solid state ceramic route, Prakash Singh, Prabhakar Singh, Om Prakash and D Kumar, International Journal of Modern Physics: Conference Series Volume 22, 2013, pages 207–216

 
 
Book / Monograph / Book Chapter writing:

• A monograph entitled "Ion Dynamics in Supercooled Calcium Nitrate-Potassium Nitrate Melt" (ISBN 978-3-8465-9160-4), evolved from my PhD thesis, has been published by LAP LAMBERT Academic Publishing GmbH & Co. KG in 2011.

• I have written following three chapters (in 2011) For IGNOU Physics B.Sc. Lab Course PHE-08L

1. Determination of Planck’s constant using photoelectric cell.
2. Study of Op-Amp as summing and inverting amplifier, differentiator and integrator.
3. Study of Op-Amp as non-inverting amplifier, comparator and square wave generator.
 

• Title of book chapter: Photon Upconversion Spectroscopy

Authors: Priyam Singh, Prabhakar Singh, S.K. Singh
Publication date:2021/2
Title of Book: Modern Techniques of Spectroscopy: Basics, Instrumentation and Applications 
ISBN: 978-981-33-6083-9
Publisher: Springer Nature
 

• Development of La and Mo Co-Doped SrTiO3 as Novel Anode Material for Solid Oxide Fuel Cell Applications, Singh S., Pandey R., Verma O.N., Singh P. (2022) In: Krupanidhi S.B., Gupta V., Sharma Kaushik A., Singh A.K. (eds) Advanced Functional Materials and Devices. Springer Proceedings in Materials, vol 14. Springer, Singapore. https://doi.org/10.1007/978-981-16-5971-3_31, ISBN 978-981-16-5970-6

• Insight into Structural and Electrical Properties of Potassium and Lithium Substituted Non-stoichiometric Sodium Bismuth Titanate (Na0.54Bi0.46TiO3-δ), Singh P., Pandey R., Singh P. (2022). In: Krupanidhi S.B., Gupta V., Sharma Kaushik A., Singh A.K. (eds) Advanced Functional Materials and Devices. Springer Proceedings in Materials, vol 14. Springer, Singapore. https://doi.org/10.1007/978-981-16-5971-3_20 , ISBN 978-981-16-5970-6

• Phase Formation and Ionic Conduction in Potassium-Doped Strontium Metasilicate, Tarique H., Shahid R., Singh A.K., Singh P., Pandey R., Singh P. (2022). In: Krupanidhi S.B., Gupta V., Sharma Kaushik A., Singh A.K. (eds) Advanced Functional Materials and Devices. Springer Proceedings in Materials, vol 14. Springer, Singapore. https://doi.org/10.1007/978-981-16-5971-3_3, ISBN 978-981-16-5970-6

Sponsored Projects: Funded by External Funding Egencies

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Conferences/Seminars/Symposia/Workshops/invited talks:
 

1. Delivered an Invited Talk on 31.08.2021 on the topic “Band Gap Engineering and Its Application in Device Physics” in the national conference on recent trends in academic research organised by CIIR in online mode.
2. Delivered an Invited Talk on 22.07.2021 on the topic “Novel Materials and their applications” under AICTE Training & Learning -Faculty Development Program organised by by Maharaj Ranjit Singh Panjab Technical University Bhatinda in online mode. 
3. Delivered an Invited Talk on 15.07.2021 on the topic “Double Perovskite (1 + x) PrCoO3 - (1 - x) BaCoO3 and Ruddlesden popper Sm2- x SrxNiO4-δ as cathode/Air electrode materials” in the International conference on Advanced Materials for Better Tomorrow" (AMBT-2021) organised by Society for Interdisciplinary Research in Materials and Biology in online mode.
4. Delivered an Invited Talk on 17.07.2020 on the topic “Photovoltaics: A Hope of Future Energy” in Department of Applied Science, IEC College of Engineering & Technology, Greater Noida in online mode. 
5. Delivered an Invited Talk on 02.06.2021 on the topic “Post-Independence Scenario of Renewable Energy Resources in India” organised by Central University of Hariyana under Azadi Ka Amrit Mahotsav in online mode. 
6. Delivered an Invited Talk on 25.06.2020 on the topic “Photovoltaics and Hysteric photo-conduction” in an International E-Conference On Recent Advances In Physics Department of Physics Government P.G. College Bazpur, Uttarakhand India in online mode.
7. Delivered an invited talk at International Conference on SMART MATERIALS FOR SUSTAINABLE TECHNOLOGY (SMST-2020) Bogmallo Beach Resort Goa  between 22-25^th February 2020
8. Delivered an invited talk at University of Genova, Italy on 04.02.2020.
9. Delivered an Invited talk at the department of Physics, IITRAM, Ahmedabad on 20.12.2019.
10. Delivered a series of lectures to the MSc students of SMVDU, Jammu from 18 to 22 November 2019 as an adjunct professor of the University.
11. Delivered an Invited talk at PDPU, Ahmedabad on 15.10.2019 in one-day workshop on solar cells.
12. Delivered an Invited talk at ITER, Bhubneshwar on 07.09.2019.
13. Delivered an invited talk at ITREN Dankook University, Korea between 21 to 22 June 2019
14. Delivered an invited talk in Peyong Chang, Korea from 16 to 21 June at SSI-22
15. Delivered an invited talk in 2^nd Global Forum on Advanced Materials and Technologies for Sustainable Development (GFMAT-2) and the 4^th International Conference on Innovations in Biomaterials, Biomanufacturing and Biotechnologies (Bio-4), in Toronto, Canada from July 21-26, 2019.
16. Delivered and invited talk at Shenyang National Laboratory for Materials Science between 12 to 15 October 2019.
17. Delivered an invited talk inWorld University Forum on Materials Science & Engineering Leadership to be held in Wuhan, China during October 9 – 12, 2019
18. Delivered an invited talk on “Registers and Counters” at U.P. College Varanasi on 27^th March 2019.
19. Delivered an invited talk on “Dynamics of Charge Particles in Materials” at Department of Physics, BHU Varanasi on 09^th March 2019.
20. Delivered an invited talk at 43^rd ICACC at Hilton Daytona Beach Oceanfront Resort Daytona Beach, FL United States during 27.01.2019 to 01.02.2019
21. Delivered an invited talk on “Dynamics of Charge Particles in Crystalline and Amorphous Materials Probed by Conductivity Spectroscopy” at School of Physics, SMVD University Jammu on 10^th August 2018.
22. Delivered an invited talk on “Electrolyte materials of Solid Oxide Fuel cells” in JIIT, Noida on 16^th march 2018 and also chaired a session.
23. Delivered an invited talk on “Effect of double doping on the ionic conductivity of ceramic electrolyte systems for SOFC applications” in19th International Symposium on Eco-materials Processing and Design (ISEPD 2018) and Expo on Surface Coatings to be held at Marriott Jaipur from February 21-24, 2018.
24. Delivered and invited talk on “Conductivity Spectroscopy: A tool to understand the ion dynamics in crystalline and amorphous Materials” The Thermans-18 Workshop on 17.01.2018 held in Goa between 16 and 20 January 2018.
25. Delivered an Invited talk on “Compositional effect on the ionic conductivity in doped LaAlO3 based ceramic system” at 42nd ICACC held between 21-26 January, 2018 in Florida.
26. Delivered an Invited talk on “Conductivity Spectroscopy” at 21st Workshop and Symposium on Thermal Analysis (Thermans -2018) organized by Department of   Chemistry, University of Goa, India (16-20 January, 2018).
27.  Delivered Invited talk on “Solid Oxide Fuel Cells: fundamental and advancements in the field of electrolyte materials” at XXII National Symposium (NSU-2017) on   Advances in Ultrasonics and Materials Research. (November 8-10, 2017), organized by Department of Physics & Astronomical Science. Central University of Himachal Pradesh, Dharamshala, HP &Ultrasonics Society of India, National Physical Laboratory, Delhi.
28. Delivered Invited talk on “Fabrication and electrical characterization of composite 8YSZ-Ce0.8Sm0.2O2-δ and Ce0.8Sm0.2O2-δ - Ce0.8Gd0.2O2-δ thin ceramic tapes for Solid Oxide fuel cells” in the 21st International conference on Solid State Ionics (SSI-21) organized by  University of Padua, Italy during June 18-23 June, 2017.
29. Delivered a talk “Role of dopants on structural and electrical properties of electrolyte materials for solid oxide fuel cells.” at HS GourSagar University on 12.01.2017
30. Delivered a talk “Structural and electrical properties of electrolyte materials for solid oxide fuel cells.” at IIT Patna on 27.11.2016.
31. Presented two papers in the 20th International conference on solid state ionics (SSI-20)   organized by MRS in Keystone conference centre, Colorado, USA during June14-19, 2015.
32. Delivered an invited talk on 12th June 2015 in the workshop on catalyst on the topic Ion   dynamics of Crystalline and amorphous materials organized by the Department of Chemical engg. and Technology, IIT (BHU) Varanasi.
33. Delivered a Talk on “Polyol-mediated synthesis of calcia incorporated yttria stabilized zirconia solid electrolyte for SOFC application” in the 39th International conferences on  advances in ceramics and composite (ICACC-15) organised in Florida, USA, during January  25-29, 2015.
34. Delivered an invited Talk on “Studies on Electrolyte Materials for SOFC Application”in the International Symposium on Materials Chemistry (ISMC-2015) organised by Bhabha  Atomic Research Centre (BARC), Mumbai during December 9-12, 2014 
35. Delivered an invited Talk on “Scaling of the Conductivity Spectra: Dynamics of Ions in Crystalline and Amorphous Materials” in the International conference on Materials & Engineering (ICME) organized by Sharada University, Grater Noida in January, 6-8, 2014.
36. Delivered an Invited talk entitled “Dynamics of ions in fragile glass melts probed by conductivity spectroscopy” at National Workshop on Recent Advances in Materials Science (NWRAMS)’ during 15-16 March 2013 at Lucknow University.
37. Delivered an Invited talk entitled “How to learn Ion Dynamics from Scaling Behaviour of amorphous and Crystalline Materials” in conference on advances in laser and spectroscopy held between November 1-3, 2012 at ISM, Dhanbad.
38. Participated in the short term course on “Renewable Energy Based Technology” conducted by NITTTR, Chandigarh between 18-22 July 2011.
39. Presented a paper entitled “Dynamics of Ions in CKN and CRN Glass Melts Probed by         Conductivity Spectroscopy” in International Symposium on Materials Education organised by IISER Pune between March 26-28, 2011.
40. Participated and gave oral presentation entitled “Probing Ion Dynamics in Disordered Materials by Conductivity Spectroscopy” in the national seminar on navel Materials organised by School of Materials Science Institute of technology, BHU Varanasi held between March 14-15,  2011.
41. Participated in the national Seminar on Recent Trend in Condensed matter Physics Organised By department of Applied Physics, Institute of technology, BHU Varanasi held between March 6-7, 2011.
42. Participated and gave oral presentation entitled “Fragility and Coupled to Decoupled Transition in a Calcium Nitrate-Potassium Nitrate Glass Melt” in International Symposium cum Workshop on Laser Induced Breakdown Spectroscopy organised by Department of Physics University of Allahabad, between December 21-23, 2010.
43. Participated and gave oral presentation entitled “Electrical and Dielectric Properties of Nb Doped BaSnO3 below Room Temperature: Scaling Behavior of BaSn1-xNbxO3” in International Conference on Multifunctional materials organised by Department of Physics, Banaras Hindu University, Varanasi between December 7-9, 2010.
44. Delivered invited talk entitled "A novel technique for measurement of conductivity and dielectric properties of materials at Radiowave and Microwave frequencies" in National Seminar on Photonics and Materials “NASPAM-2010” organised by Indian School of Mines, Dhanbad during 25-27 March 2010.
45. Participated in “RajarshiUdaiPratap Memorial International Workshop on Spectroscopic Signatures of Molecular Complexes/Ions in our Atmosphere and Beyond” held between 2-4 February, 2010 at Banaras Hindu University.
46. Participated and presented a poster entitled “Effect of Co-doping on the properties of Ceria” in International Conference on Electroceramics held between 13th and 18th December, 2009 at University of Delhi, Delhi.
47. Participated and presented a paper entitled “Auto Combustion Synthesis and Characterisation of Nano-Crystalline Ce0.85Gd0.15O1.925” in 17th International Conference on Solid state Ionics held between 28 June and 03 July 2009, at Toronto, Ontario, Canada.
48. Participated and delivered a talk on “Photovoltaics and its application” in National seminar Physics inquest of alternative source of energy organised of Physics association, Motilal Nehru College (University of Delhi) held between December 19-20, 2008.
49. Participated and presented a paper entitled “Conductivity and permittivity measurements of a calcium nitrate-potassium nitrate melt at radiowave and microwave frequencies” in 1st RashtreeyaYuvaVaigyankSammelan held between 28-30 November 2008,  organised by NIT Kurukshetra.
50. Participated in workshop on “development of self-learning materials for newly induced faculty of IGNOU” organised by Staff Training and Research Institute of Distance Education, IGNOU, New Delhi
51. Participated in “84th international Bunsen discussion meeting” on “structure and dynamics of disordered ionic materials” organized by university of Muenster at Muenster in Germany from 6-8 October 2004.
52. Participated in “European materials research society” meeting organized by International Materials Science Community, at Strasbourg, in France from May 24 to 28, 2004 and presented a poster entitled “ion dynamics in fragile ionic melts from broadband conductivity spectroscopy”
53. Participated in “7th ESG conference on Glass Science and technology” organized by The Greece Glass Federation, at Athens in Greece from 25 to 28 April 2004 and presented a poster entitled “correlation between viscosity and ion dynamics in a fragile ionic melts”.
54. Participated in “international workshop on impedance spectroscopy” at Department of physics, university of Warsaw, Poland from 24-28 September 2003 and presented a Poster with a short talk on “electrical behaviour of perovskite oxide system BaSn1-xNbxO3”.
55. Participated in the “national seminar” at department of ceramic engineering, institute of technology, Banaras Hindu University on February 18-19, 1999 and gave a talk on “effect of niobium substitution on the structural and electrical behaviour of BaSnO3”.

 
Popular Science Lectures: 

1. Delivered lectures on digital electronic in IGNOU, New Delhi, which was telecasted (live) by satellite and later on telecasted on National DD Gyan Darshan Channel.
2. Delivered popular lectures for PG and research students at the Department of Physics, Nagpur University, Nagpur.
3. Delivered popular lectures for PG and research students at the department of Physics, Udai Pratap Autonomous College, Varanasi.
4. Delivered a talk on 18.06.11 at Department of Physics, D.S.B. Campus, Kumau University, Nainital.
5. Delivered a series of talks on basics of Physics & its application in smelter technology on 30^th June and 1^st July 2011 at Hindalco Industry, Renukoot, Sonebhadra.
6. Delivered a lecture on March 5, 2013 in Summer School on development and Characterization of Advanced Materials at Department of Physics, BHU, Varanasi.
7. For popularizing Physics among school students especially in rural area, I have delivered a few lectures on Physics topics at National Inter College, Kasimabad Ghazipur. Moreover in Urban area also I have delivered a lecture on Physics topics at Dalims School, Lahurabeer, Varanasi.
8. .   Delivered a talk on “Scaling Behaviour of Crystalline and Amorphous Materials” at BARC and participated in a discussion meeting with the colleagues of Fuel Cell Materials and Catalysis Section, from 5th September to 6th September 2013.
9. 10. Gave science lecture to school students of Vindhya Valley School, Baburi, Chandauli.
10. Delivered a talk on Electromagnetics and its applications at Allahabad University for DST-INSPIRE programme.

• Head of the Department:  24 August 2017 31st December 2020
• President, Faculty Forum of IIT (BHU) 08.11.2020 to 12.11.2022
• Member of Finance Committee of IIT (BHU): November 2017 to 09.09.2021
• Member Board of Governors of IIT(BHU): 1 September 2017 to 31 December 2019.
• Joint Chief Proctor of IIT (BHU): 7 March 2013 to 2 December 2019
• Chairman, Council of Wardens of IIT (BHU) Hostels from 08.04.2015 to 12.04.2018.
• Administrative Warden of Limbdi Hostel: from 11.8.2009 to 14.09.2013.
• Proctor of BHU: from 05.01.2012 to 12.01.2013.
• In charge of Inter IIT Staff teams of IIT (BHU): in 2015 at IIT Mumbai.
• Represented IIT (BHU) as a player in the Inter IIT Staff Cricket team in 2013 at IIT Guwahati and in 2014 IIT Bombay.
• Warden of PG Hostel at U.P. College, Varanasi: for six months from December 2005 to June 2006.