Dr. Upendra Kumar
Assistant Professor at Indian Institute of Information Technology (IIIT) Allahabad, Prayagraj, India | Experimental Condensed Matter Physicist & Materials Science Researcher
location_on India
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Materials Science & Engineering Nanotechnology & Nanomaterials Condensed Matter Physics Batteries & Fuel Cells Electronic, Optical & Magnetic Materials Electron Microscopy Solid-State Chemistry
Verification record
Doctorate confirmed
PhD in Physics · Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh, India · 2019
Affiliation confirmed
Assistant Professor · Indian Institute of Information Technology Allahabad (IIIT Allahabad)
Publication record confirmed
91 published works
About Upendra
Dr. Upendra Kumar is an accomplished physicist, academician, and researcher currently serving as Assistant Professor in the Department of Applied Science at IIIT Allahabad. His academic and research expertise lies in experimental condensed matter physics, materials science, energy storage devices, solid-state ionics, and electroceramics. His research interests include dielectric capacitors, solid oxide fuel cells, supercapacitors, solid-state batteries, solar cells, optical properties of nanophosphor materials, and dilute magnetic semiconductors. His research work focuses on the synthesis, characterization, and functional applications of advanced materials, particularly layered perovskite oxides and electroceramic materials. He has authored or co-authored 94 SCI-indexed international journal publications, contributed to books and book chapters, and participated in patent and copyright-related research. He has also edited academic books published by Wiley and Springer and contributed to research projects funded by government agencies, including SERB (ANRF), CSIR, and C-DAC. Dr. Kumar has served as Principal Investigator for research projects worth ₹51 lakh under SERB and ₹10 lakh under the IIIT Allahabad SEED-Money scheme. He is actively involved in doctoral research supervision, academic programme development, invited lectures, workshops, and international conferences. His academic contributions also include editorial and reviewing responsibilities for reputed journals, including publications associated with Springer Nature, Wiley, Bentham Science, and MDPI. Key Highlights: - 94 SCI-indexed international journal publications, as listed in the CV. - Principal Investigator of a ₹51 lakh SERB (ANRF), Government of India-funded research project. - Principal Investigator of a ₹10 lakh IIIT Allahabad SEED-Money research project. - CSIR-NET, GATE, and CSIR-JRF qualified. - Recipient of Best Oral Presentation Award at Thermans-2016 and Best Paper Award at IIT (BHU), Varanasi. - Editorial Board Member, Scientific Reports (Springer Nature); Academic Editor and Associate Editor for international journals. - IEEE Senior Member and Secretary, IEEE Photonics Society Uttar Pradesh Chapter. - Two ongoing doctoral research scholars under his supervision.
Services Offered
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Expertise
check_circle Materials Science & Engineering
check_circle Nanotechnology & Nanomaterials
check_circle Condensed Matter Physics
check_circle Batteries & Fuel Cells
check_circle Electronic, Optical & Magnetic Materials
check_circle Electron Microscopy
check_circle Solid-State Chemistry
Work History
Assistant Professor
Indian Institute of Information Technology Allahabad (IIIT Allahabad)
2021 – Present
- Serving as an Assistant Professor in the Department of Applied Science at IIIT Allahabad, with responsibilities involving undergraduate, postgraduate, and PhD-level teaching. His academic and research interests include Experimental Condensed Matter Physics, Materials Science, Energy Storage Devices, Solid-State Ionics, and Electroceramics.
Assistant Professor
Banasthali Vidyapith
2019 – 2021
- Worked as an Assistant Professor in the Department of Physics at Banasthali Vidyapith, undertaking teaching responsibilities at undergraduate and postgraduate levels.
Education History
PhD in Physics
Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh, India
2019
Completed doctoral research on "Synthesis and Characterization of Undoped and Doped Layered Perovskite Oxides Sr₂SnO₄," under the supervision of Dr. (Mrs.) Shail Upadhyay. His research focused on Experimental Condensed Matter Physics and Materials Science.
M.Sc. in Physics
Department of Physics, Institute of Science, Banaras Hindu University (BHU), Varanasi, India
2014
Completed postgraduate studies in Physics with First Division. His research project was titled "Studies on TiF₄, TiO₂ Catalyzed Complex Hydride (NaAlH₄) System," under the supervision of Dr. M. A. Shaz.
B.Sc. (Hons.) in Physics
Department of Physics, Institute of Science, Banaras Hindu University (BHU), Varanasi, India
2012
Completed undergraduate education in Physics with First Division, establishing a foundation for advanced studies in Physics and Materials Science.
Intermediate (Physics, Chemistry & Mathematics)
Uttar Pradesh Board, Allahabad, India
2009
Completed Intermediate education in the Science stream with Physics, Chemistry, and Mathematics (PCM), securing First Division.
Published Works
CdSe quantum dot–based composites: From composite design to functional performance—a critical review
Article person Chaman Kumar, Banshidhar, Shweta Bhatt, Amar Prasad Yadav, Upendra Kumar, Yedluri Anil Kumar, Rakesh Kumar Gupta, Laxman Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 13
Pages: 103625
ISSN: N/A
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Recent developments in 2D black phosphorus-oriented nanocomposites for energy storage: A brief review
Article person Banshidhar, Shushovan Paladhi, Shweta Bhatt, Azad Kumar, Krishna Prasad Sharma, Upendra Kumar, Amar Prasad Yadav, Rakesh Kumar Gupta, Yedluri Anil Kumar, Raghvendra Pandey, Laxman Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 696
Pages: 241468
ISSN: N/A
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Computational investigation of structural, electronic, thermodynamical and transport properties of YCdPb half-Heusler alloy
Article person Vipin Kumar Gupta, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 13
Pages: 103595
ISSN: N/A
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Structural and Dielectric Behavior of Ca–Ni Ferrite Nanoparticles
Article person Sarita, M. S. Rulaniya, Upendra Kumar, Narendra Jakhar, P. A. Alvi, B. L. Choudhary
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 109/9
Pages: e71192
ISSN: N/A
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Mg-induced structural and functional property modulation in Ba1+x/2Ti1−xMgxO3 ceramics for high-frequency capacitor applications
Article person Ram Sundar Maurya, Pinki Singh, Piyush K. Sonkar, Laxman Singh, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 37
Pages: 1884
ISSN: N/A
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Synergistic effects of Nd and Gd Co-doping on the ionic conductivity of ceria-based electrolytes for intermediate-temperature solid oxide fuel cells.
Article person Raj Kumar, Vipin Kumar Gupta, Piyush K. Sonkar, Laxman Singh, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 9
Pages: 197
ISSN: N/A
Enhanced Oxygen Evolution Reaction with Co and Ni Tailored Nanoarchitecture on Amine-Functionalized Graphene Oxide Electrocatalysis
Article person Narvdeshwar Kumar, Vikas Jangra, Upendra Kumar, Anand Ratnam, Piyush Kumar Sonkar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
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Recent developments in synthesis techniques, characteristics and emerging applications of polymer nanofibers
Article person Thomas Baby, Banshidhar, R.N. Rai, Sunil Kumar, Sumit Kumar, Rituraj Dubey, Amar Prasad Yadav, Upendra Kumar, Yedluri Anil Kumar, Rakesh Kumar Gupta, Laxman Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 12
Pages: 102527
ISSN: N/A
Microscopic investigations of the interplay between activation energy & tunnel factor to enhance piezoelectricity in BaTiO3
Article person Henda Abassi, Nada Hmida, Ram Sundar Maurya, Upendra Kumar, N. Amdouni, H. Bouchriha
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 132
Pages: 175
ISSN: N/A
Sustainable Pathways for Post-Life Lithium-Ion Batteries: Evaluation, Recycling, and Reuse toward a Circular Economy
Article person Shweta Bhatt, Sunil Kumar Srivastava, Yedluri Anil Kumar, Upendra Kumar, RN Rai, Dimple Kumari, Krishan Prasad Sharma, Laxman Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 7
Pages: 101524
ISSN: N/A
Structural, Dielectric and Energy Storage Properties of AgNb1-xVxO3 Antiferroelectric Ceramics
Article person Pinki Singh, Nisha Shankhwar, Upendra Kumar, Satyendra Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 51/27
Pages: 54061-54071
ISSN: N/A
Eco-friendly neem sticks activated carbon-MWNTs as efficient counter electrodes in polymer electrolyte-based DSSCs
Article person Priyanka Chawla, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: 1–13
ISSN: N/A
Unraveling the multifunctional capabilities of MnCoSb half-Heusler alloy: A computational exploration of structural, mechanical, optical, and thermoelectric properties.
Article person Gupta, Vipin Kumar, Raj Kumar, and Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: 113071
ISSN: N/A
Correlating structure, magnetism, and electrical transport in sol-gel processed Nd0.55Ca0.45MnO3 manganite.
Article person Joshi, Gaurav, Hira Ilyas, Sudha Tomar, Shivam Kumar Miglani, Yogesh Kumar, Upendra Kumar, and D. S. Raghav
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 8
Pages: 100241
ISSN: N/A
Phase and structural nanoarchitectonics of Ce-Doped Sr2SnO4 for improved microwave dielectric and electrical properties.
Article person Upendra Kumar, Satyam Kumar, Abhishek Singh, and Piyush Kumar Sonkar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 131/8
Pages: 1-22
ISSN: N/A
Structural insights, bond-valence analysis, and enhanced microwave dielectric Properties of (Sr1-xNdx)2SnO4 Ruddlesden-Popper oxides
Article person Sushil Kumar, Raj Kumar, Vedika Yadav, Satyam Kumar, Marcos Flores Carrasco, Abhishek Singh, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 36
Pages: 1069
ISSN: N/A
Structural, electrical, and magnetic properties of (1-x) ZnFe2O4 - (x) BaTiO3 (x = 0,0.05,0.10,1) system
Article person Harshpreet Cheema, Parvej Ahmad Alvi, Jaidev Tanwar, Pallavi Kushwaha, S. N. Jha, Shilpa Tripathi, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: N/A
ISSN: N/A
Advances in relaxation and memory effects of magnetic nanoparticles for biomedical applications.
Article person Singh, Pinki, Nisha Shankhwar, Aditi Nachnani, Prashant Singh, Upendra Kumar, Satyendra Singh, and Chandan Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: 101521
ISSN: N/A
Comparative computational and experimental insights into the structural, electrical, and biological properties of CeO2 fluorite ceramics
Article person Raj Kumar, Vipin Kumar Gupta, Mohit Khosya, Sangeeta Singh, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 15
Pages: 19269
ISSN: N/A
Enhanced Energy Storage and Dielectric Performance in B-site Ce-Substituted BaTiO3: Structural and Optical Insights.
Article person Maurya, Ram Sundar, Vedika Yadav, Pinki Singh, P. A. Alvi, Satyendra Singh, and Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: N/A
ISSN: N/A
Optimized VO2-TiO2 photoanodes for high-efficiency solid-state dye-sensitized solar cells
Article person Priyanka Chawala, Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: N/A
ISSN: N/A
(Sr1-xCax) 2SnO4 microwave dielectric ceramics with Ruddlesden-Popper structure (x= 0–0.06) for microwave application
Article person Raj Kumar, Vipin Kumar Gupta, Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 8
Pages: 100748
ISSN: N/A
Electrochemical determination of antipsychotic drug quetiapine fumarate using hexagonal nickel oxide nanoparticle decorated functionalized multiwalled carbon nanotubes.
Article person Jangra, Vikas, Harpreet Kaur, Narvdeshwar Kumar, Upendra Kumar, Piyush Kumar Sonkar, and Lal Bahadur Prasad
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: 146432
ISSN: N/A
Biosynthesis of Zinc Oxide Nanoparticles Using Ficus racemose Leaf Extract via Microwave Irradiation Route: Characterization and Investigation of Antibacterial Efficacy
Article person Abhishek Nigam, Shagun Varshney, Samarjit Singh, Upendra Kumar, Nidhi Mishra, S. J. Pawar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 2025
Pages: 7996602
ISSN: N/A
link View Publication
Synthesis and Analysis of Temperature-Driven Charge Transport and Dielectric Relaxation in Cs2AgFeCl6 Double Perovskite Single Crystal
Article person Yadav, Jitendra, Anil K. Sharma, Manvendra Kumar, Parasmani Rajput, Shiv P. Patel, Hari P. Bhasker, Upendra Kumar, Punit K. Dhawan, and Dhirendra K. Chaudhary.
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: 1-11
ISSN: N/A
Molecular structure, electronic properties, spectroscopic investigation and nonlinear optical properties of thianaphthene-2-carboxylic acid: A quantum chemical approach.
Article person Maurya, Prem Chandra, Abhishek Khare, Shailendra Kumar Singh, Ram Sundar Maurya, Ashok Kumar Singh, Upendra Kumar*, and Amarendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: 126847
ISSN: N/A
Conductivity and Dielectric Studies of Spark plasma sintered BaZr0.85Ho0.10Y0.025Nd0.025O3-δ Electrolyte Ceramic for Intermediate Temperature Solid Oxide Fuel Cells.
Article person Bijendra Singh, Sandeep Kumar, Km Mansi, Sunder Singh, Upendra Kumar, Manindra Kumar, Anil Kumar, Rohitash Singh, and Deepash Shekhar Saini
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 51/7
Pages: 8719-8733
ISSN: N/A
Piezoelectric Energy Harvesting: From Fundamentals to Advanced Applications
Article person Rahul Bhatnagar, Varsha Yadav, Upendra Kumar*, Marcos Flores Carrasco
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 2024
Pages: 2401455
ISSN: N/A
Studies of Structural, Impedance, Modulus Spectroscopy, and Magnetic Properties of Cr-Modified SrTiO3 Perovskite Ceramic
Article person Vedika Yadav, Jai Dev, Pallavi Kushwaha, Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 2024
Pages: 2400426
ISSN: N/A
Effect of calcination temperature on the structural, microstructure, and electrical properties of CeO2 nanoparticles as a solid electrolyte for IT-SOFC application
Article person Raj Kumar, Vedika Yadav, Pinki Singh, Piyush K Sonkar, Upendra Kumar*, Satyendra Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 35/12
Pages: 104710
ISSN: N/A
Design and Simulation of Circular Dielectric Resonator Antenna and Investigation of Structure, Microstructure, and Dielectric Properties of Mn-Modified Sr2SnO4
Article person Upendra Kumar,*, Vedika Yadav, Raj Kumar, and Pinki Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 2024
Pages: 2400523
ISSN: N/A
Development and characterization of superparamagnetic Zn-Doped Nickel ferrite nanoparticles
Article person Sarita, Anchal, Priya, R.K. Beniwal, M.S. Rulaniy, P.M. Saini, Pooja Yadav, Upendra Kumar, Aakansha, P.A. Alvi, B.L. Choudhary
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 610
Pages: 172547
ISSN: N/A
Study of the Structure, Microstructure, and Electrical Properties of Defect-Induced Ce-Doped SrTiO3 as Solid Electrolyte in IT-SOFC Application
Article person V . Yadav, U. Kumar.
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: N/A
ISSN: N/A
Innovative computational techniques for DSSCs using machine learning: a review.
Article person V . Yadav, R. Bhatnagar, U. Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 1
Pages: 17
ISSN: N/A
Electron density distribution using maximum entropy method and conductivity studies of BaZr0.85Ho0.10Y0.025Nd0.025O3-δ electrolyte ceramic for intermediate temperature solid oxide fuel cells
Article person Bijendra Singh, Sandeep Kumar, Sunder Singh, Upendra Kumar, Manindra Kumar, Anil Kumar, and Deepash Shekhar Saini
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 30
Pages: 5495–5512
ISSN: N/A
Role of charge-compensation process on the structural, microstructure and electrical properties of pure and Nb-doped Sr2SnO4
Article person Manisha Jatiya, Vedika Yadav, Abhishek Kumar Singh, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 5
Pages: 025014
ISSN: N/A
Carbon nanotubes immobilized copper (salen) nanocomposite for electrochemical oxygen evolution reaction
Article person Mandakini Gupta, Angesh Kumar Maurya, Vikas Jangra, Anamika Pandey, Piyush Kumar Sonkar, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 63
Pages: 40-48
ISSN: N/A
Enhancement in the Electrocatalytic and Optoelectronic Performance of Cost-Effective Counter Electrode VO2 for Dye-Sensitized Solar Cell (DSSC)
Article person Varsha Yadav, Rahul Bhatnagar, and Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 2024
Pages: 6613380
ISSN: N/A
Structural, Microstructure, Dielectric relaxation and AC conduction studies of perovskite SrSnO3 and Ruddlesden Popper oxide Sr2SnO4
Article person Manisha Jatiya, Vedika Yadav, Upendra Kumar, Abhishek Kumar Singh, and Shalu Katariya
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 26/6
Pages: 5387-5398
ISSN: N/A
Structural, microstructure, spectroscopic, and magnetic investigation of vanadium-doped SrTiO3 perovskite ceramics
Article person Yadav V, Cheema H, Alvi PA, Dev J, Kushwaha P, Kumar U
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 2024
Pages: 1–21
ISSN: N/A
Carbon nanomaterial-based composites as an active layer for optoelectronic device application: A comparative study
Article person Minakshi Sharma, Chandra Mohan Singh Negi, parvej ahmad alvi, Varsha Yadav, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 34
Pages: 2148
ISSN: N/A
Elemental studies and mapping of cholesterol and pigment gallstones using scanning electron microscopy–energy dispersive spectroscopy
Article person Varun Bali, Yugal Khajuria, Vidit Manyar, Pradeep K Rai, Upendra Kumar, Charles Ghany, Shipra Tripathi, Vivek K Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: 1–12
ISSN: N/A
Synthesis and investigation of structural, morphological and dielectric properties of Ba‐ordered BaTiO3 perovskite oxide
Article person Ram Sundar Maurya, Vedika Yadav, Harshpreet Cheema, Minakshi Sharma, PA Alvi, Satyam Kumar, Piyush Kumar Sonkar, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 6/1
Pages: e519
ISSN: N/A
Comprehensive study of CsGeBr3 perovskite: optical, electronic, and thermoelectric properties
Article person Sandhyala Naga Sai Srinivas, Minakshi Sharma, Varsha Yadav, Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 6
Pages: 1685–1696
ISSN: N/A
Effect of frequency on activation energy and its role in producing piezoelectricity for Ruddlesden Popper oxide Ba2SnO4
Article person H Abassi, U Kumar, A Timoumi, N Bouguila, N Amdouni, H Bouchriha
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 309
Pages: 128338
ISSN: N/A
Microstructural Studies and Elemental Imaging of Renal Stones by Scanning Electron Microscopy–Energy-Dispersive X-ray Spectroscopy
Article person Bali, Varun, Yugal Khajuria, Pradeep K. Rai, Vidit Maniyar, Upendra Kumar, and Vivek K. Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 53/5
Pages: 120
ISSN: N/A
Scaling studies of temperature dependence of electric conductivity and electric modulus spectra of solid solution Sr2-xLaxSnO4 (x≤ 0.10) Ruddlesden Popper Oxide
Article person Upendra Kumar, Manisha Jatiya, Marcos Flores Carrasco
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 163
Pages: 112221
ISSN: N/A
Quantitative analysis of human hairs and nails
Article person Varun Bali, Yugal Khajuria, Vidit Maniyar, Pradeep K. Rai, Upendra Kumar, Charles Ghany, M.A. Gondal, Vivek K. Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 15
Pages: 401–417
ISSN: N/A
Elemental concentration in renal stones by wavelength dispersive X‐ray fluorescence spectrometry
Article person Varun Bali, Yugal Khajuria, Ashok K Pathak, Upendra Kumar, Pradeep K Rai, Charles Ghany, Vivek K Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: N/A
ISSN: N/A
An Ab Initio Analysis of Structural, optical, Electronic, and Thermal Properties of Cubic SrSnO3 using Wein2k
Article person Arya, Aditya Kumar, Varsha Yadav, Hari Pratap Bhaskar, Sushil Kumar, Satyam Kumar, Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 4
Pages: 164-170
ISSN: N/A
Structural, Dielectric and Electrical Properties of Homovalent Doped SrSn1-xTixO3 (0 ≤ x ≤ 0.08) System
Article person Aditya Kumar, Manoj K Singh, Minakshi Sharma, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 60
Pages: 909-913
ISSN: N/A
Compositional and Morphological Studies of Kidney and Gallstones from Fundamental to Advanced using SEM-EDS Technique: A Short Review
Article person Varun Bali, Yugal Khajuria, Jitendra Sharma, Pradeep K Rai, M.A. Gondal, Upendra Kumar, Vivek Kumar Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: N/A
ISSN: N/A
Study of structural, optical, dielectric, and electric properties of homovalently substituted Ce in SrTiO3 perovskite oxide
Article person Vedika Yadav, Harshpreet Cheema, Ram Sunder Maurya, Satyam Kumar, P.A. Alvi, Minakshi Sharma, Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 28
Pages: 5513–5524
ISSN: N/A
Analysis of Correlation based Threshold Networks of Dow Jones stocks of USA: An Econophysics Approach
Article person Sushil Kumar, Satyam kumar, Upendra Kumar, Sunil Kumar, Pawan Kumar, and Narinder Verma
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 15/2
Pages: 198 - 207
ISSN: N/A
Exploration of spectroscopic, surface morphological, structural, electrical, optical and mechanical properties of biocompatible PVA-GO PNCs
Article person S.B. Dangi, S.Z. Hashmi, Upendra Kumar, B.L. Choudhary, A.E. Kuznetsov, Saurabh Dalela, Shalendra Kumar, S.N. Dolia, Sudhish Kumar, Balsam F.I. Sofi, Reem Darwesh, P.M.Z. Hasan, P.A. Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 127
Pages: 109158
ISSN: N/A
Oxygen vacancy induced structural and domain size-controlled magnetic behavior of La0.67Ca0.33MnO3 perovskite
Article person B. L. Choudhary, Upendra Kumar, A. M. Quraishi, P. M. Z. Hasan, Reem Darwesh, Sudhish Kumar, S. Dalela, Shalendra Kumar, S. N. Dolia, P. A. Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: N/A
Pages: 1-13
ISSN: N/A
Study of structural, microstructure, impedance and DC conductivity of Gd-doped SrCeO3 ceramics
Article person Dharmendra Yadav, Gurudeo Nirala, Sushma Yadav, Upendra Kumar*, Shail Upadhyay, Satyam Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 127/12
Pages: 1-14
ISSN: N/A
RIXS, XES and XAS studies for electronic structure of rare earth and alkaline earth modified manganite
Article person M. Abu-Samak, Upendra Kumar*, Rajneesh Kumar, Shalendra Kumar, S. Dalela, M. Ayaz Ahmad, B. L. Choudhary, P. A. Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 628
Pages: 413562
ISSN: N/A
Multiferroic, Optical and Magneto-dielectric Properties with Enhanced Magneto-Impedance Characteristic of KBiFe2O5
Article person Bushra Khan, Manoj K. Singh, Aditya Kumar, Arushi Pandey, Sushmita Dwivedi, Upendra Kumar, Surbhi Ramawat, Sumit Kukreti, Ambesh Dixit, Somnath C Roy
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 893
Pages: 162225
ISSN: N/A
Investigation of high optical gain (MIR region) in AlSb/InAs/GaAsSb Type-II quantum well heterostructure
Article person Syed Firoz Haider, Upendra Kumar, Sandhya Kattayat, Smitha Josey, M Ayaz Ahmad, Saral K Gupta, Rakesh Sharma, Mohammed Ezzeldien, PA Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 5
Pages: 100138
ISSN: N/A
Structural, optical and electrical properties of Mn-doped ZnFe2O4 synthesized using sol-gel method
Article person Harshpreet Cheema, Vedika Yadav, Ram Sundar Maurya, Varsha Yadav, Aditya Kumar, Nidhi Sharma, Parvej Ahmad Alvi, and Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 32
Pages: 23578–23600
ISSN: N/A
Influence of La doping on structure, AC conductivity and impedance spectroscopy of Ba2SnO4 Ruddlesden Popper oxide
Article person Upendra Kumar*, Ram Sundar Maurya, Harshpreet Cheema, Vedika Yadav, Aditya Kumar, P. A. Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 274
Pages: 125186
ISSN: N/A
Structural, dielectric, magnetic and magneto-dielectric properties of (1-x)BiFeO3–(x)CaTiO3 composites
Article person Bushra Khan, Aditya Kumar, Preeti Yadav, Gulab Singh, Upendra Kumar, Ashok Kumar, Manoj Kumar Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 32
Pages: 18012–18027
ISSN: N/A
Investigation on structural and optical properties of system Sr2Ce1-xNaxO4 (0.0 ≤ x ≤ 0.10)
Article person Dharmenda Yadav, Gurudeo Nirala, Upendra Kumar, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 32
Pages: 8064–8080
ISSN: N/A
Optical and electrical properties of biocompatible and novel (CS-GO) polymer nanocomposites
Article person Vimala Dhayal, S. Z. Hashmi, Upendra Kumar, B. L. Choudhary, Saurabh Dalela, S. N. Dolia, P. A. Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 53
Pages: 53
ISSN: N/A
Study of reaction mechanism, structural, optical and oxygen vacancy-controlled luminescence properties of Eu-modified Sr2SnO4 Ruddlesden Popper oxide
Article person Upendra Kumar*, Shail Upadhyay, P. A. Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 604
Pages: 412708
ISSN: N/A
Structural and optical properties of α-Fe2O3 nanoparticles realized by simple thermal decomposition route
Article person Manish K Srivastava, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 96
Pages: 015804
ISSN: N/A
Structural, microstructure, optical, and electrical properties of Ti-doped CaSnO3 prepared by Sol-Gel chemical route
Article person Aditya Kumar, Bushra Khan, Gulab Singh, Ambesh Dixit, Upendra Kumar*, Manoj K Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 95
Pages: 105807
ISSN: N/A
Study of Structural, Optical, dielectric and DC resistivity of Ni- modified ZnFe2O4 synthesized by sol-gel combustion method
Article person Harshpreet Cheema, Satyam Kumar, Parvej Ahmad Alvi, Banwari Lal Choudhary, and Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 31
Pages: 4241–4252
ISSN: N/A
Optical and electronic characteristics of ITO/NPB/Alq3:DCJTB/Alq3/Ag heterostructure based organic light emitting diode
Article person Gunjan Sharma, S. Z. Hashmi, Upendra Kumar, Sandhya Kattayat, M. Ayaz Ahmad, Shalendra Kumar, Saurabh Dalela, P.A.Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 223
Pages: 165572
ISSN: N/A
Structural, optical and low temperature resistivity of Ca-doped PrMnO3 nanoparticles
Article person Satyam Kumar, Indrasen Ram, Aditya Kumar, Upendra Kumar*
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 3
Pages: 595–604
ISSN: N/A
Rietveld refinement, optical, dielectric and ac conductivity studies of Ba-doped SrSnO3
Article person Aditya Kumar, Bushra Khan, Varsha Yadav, Ambesh Dixit, Upendra Kumar*, Manoj Kumar Singh
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 31
Pages: 16838–16848
ISSN: N/A
Spectroscopic studies, molecular structure optimization and investigation of structural and electrical properties of novel and biodegradable Chitosan-GO polymer nanocomposites
Article person Vimala Dhayal, Sonia Zeba Hashmi, Upendra Kumar, B L Choudhary, A E Kuznetsov, Saurabh Dalela, Shalendra Kumar, Savas kaya, S N Dolia, Parvej Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 55
Pages: 14829–14847
ISSN: N/A
Investigation of structural, optical and magnetic properties of Nd-doped Sr2SnO4 Ruddlesden Popper oxide
Article person Upendra Kumar*, Dharmendra Yadav, and Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 103
Pages: 5743–5757
ISSN: N/A
Irreversible magnetic behavior with Temperature Variation of Ni0.5Co0.5Fe2O4 Nanoparticles
Article person Banawari Lal Choudhary, Upendra Kumar, Shalendra Kumar, S N Dolia, Subhas Chander, Sudhish Kumar, Saurabh Dalela, P.A. Alvi
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 507
Pages: 166861
ISSN: N/A
Structural, Optical, FTIR, Raman and Surface Morphological Studies of Ethyl-Cellulose/Graphene Oxide Nanocomposites
Article person K K Khichar, Suraj Bhan Dangi, Vimla Upendra Kumar, S. Z. Hashmi, B. L. Choudhary, Shalendra Kumar, P A ALVI
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 41
Pages: 2792–2802
ISSN: N/A
Structural, Microstructure Optical and Dielectric properties of Sr1.99M0.01SnO4 (M: La, Nd, Eu) Ruddlesden Popper Oxide
Article person Upendra Kumar*, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 31
Pages: 5721–5730
ISSN: N/A
Synthesis and characterization of Ruddlesden-Popper system (Ba1−xSrx)2SnO4
Article person Upendra Kumar*, Kumar Ankur, Dharmendra Yadav, and Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 162
Pages: 110198
ISSN: N/A
Sucrose-nitrate auto combustion synthesis of Ce0.85Ln0.15Sr0.05O2-δ (Ln=La and Gd) electrolytes for SOFCs: a comparative study of properties
Article person Vishnu Vijay Kumar, Gurudeo Nirala, Dharmendra Yadav, Upendra Kumar, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 44
Pages: 4652–4663
ISSN: N/A
Effect of acceptor Na 1+ doping on the properties of perovskite SrCeO3
Article person Dharmendra Yadav, Upendra Kumar, Gurudeo Nirala, Ashish Kumar Mall, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 30
Pages: 15772
ISSN: N/A
Structural, Optical and Electrical properties of Ruddlesden Popper Oxide Ba2SnO4
Article person Upendra Kumar, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 48/8
Pages: 5279-5293
ISSN: N/A
Study of structural, electrical and photoluminescent properties of SrCeO3 and Sr2CeO4: a comparative study
Article person Dharmendra Yadav, Upendra Kumar, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 8
Pages: 377–388
ISSN: N/A
Investigation on phase formation of Sr2SnO4 and effect of La-doping on its structural and optical properties
Article person Upendra Kumar, Dharmendra Yadav, Anukul K Thakur, Kamal K Srivastav, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 135/4
Pages: 1987-1999
ISSN: N/A
Studies on dielectric and electrical properties of Ruddlesden-Popper oxide Sr2SnO4
Article person Upendra Kumar, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 227
Pages: 100-103
ISSN: N/A
Structural, dielectric and magnetic properties of particulate composites of relaxor (BaTi0.85Sn0.15O3) and ferrite (NiFe2O4) synthesized by gel-combustion method
Article person Md Jawed Ansaree, Upendra Kumar, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 40/3
Pages: 257-269
ISSN: N/A
Oxygen vacancy induced electrical conduction and room temperature ferromagnetism in system BaSn1−x NixO3 (0≤ x≤ 0.20)
Article person Upendra Kumar, Md Jawed Ansaree, Atul Kumar Verma, Shail Upadhyay, Govind Gupta
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 4/11
Pages: 116304
ISSN: N/A
Augmented gravimetric and volumetric capacitive performance of rare earth metal oxide (Eu2O3) incorporated polypyrrole for supercapacitor applications
Article person Mandira Majumder, Ram Bilash Choudhary, Anukul K Thakur, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 804
Pages: 42-52
ISSN: N/A
Gravimetric and volumetric capacitive performance of polyindole/carbon black/MoS2 hybrid electrode material for supercapacitor applications
Article person Mandira Majumder, Ram Bilash Choudhary, Shankar P Koiry, Anukul K Thakur, Upendra Kumar
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 248
Pages: 98-111
ISSN: N/A
Solid-state synthesis of nano-sized Ba(Ti1−xSnx)O3 powders and dielectric properties of corresponding ceramics
Article person Md Jawed Ansaree, Upendra Kumar, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 123/6
Pages: 432
ISSN: N/A
Structural and optical characterizations of BaSnO3 nano-powder synthesized by aqueous sol-gel method
Article person Upendra Kumar, Md Jawed Ansaree, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 11/3
Pages: 177-184
ISSN: N/A
Low temperature synthesis and characterization of nanocystalline powders of Ni-doped barium stannate system, BaSn1-xNixO3
Article person Atul Kumar Verma, Upendra Kumar, Md. Jawed Ansaree, Shail Upadhyay
calendar_today Year not specified
Journal: Not specified
Publisher: N/A
Volume/Issue: 17/00
Pages: 1~8
ISSN: N/A
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Certifications
Fuel Cell Technology (GIAN Programme)
IIT Gandhinagar, IIT Kharagpur & MHRD
LaTeX and Other Useful Software
Banaras Hindu University
Ion Beam in Material Science
Inter-University Accelerator Centre (IUAC), New Delhi
Advanced Microscopy and Imaging Techniques
IIT (BHU) and industry partners
Characterization and Functionalization of Nanomaterials
Banaras Hindu University
Awards
CSIR National Eligibility Test (NET)
CSIR · 2013
Qualified in Physical Sciences.
Graduate Aptitude Test in Engineering (GATE)
GATE · 2015
Qualified.
CSIR Junior Research Fellowship (JRF)
CSIR · 2016
Qualified in Physical Sciences.
Best Oral Presentation Award (First Position)
DAE and BRNS · 2016
in the International Symposium Thermans-2016 was organized by DAE and BRNS.
Best Paper Award (Second Position)
Department of Physics, IIT (BHU) Varanasi · 2018
in the Institute Day held on 16-18 Feb 2018 in the Department of Physics, IIT (BHU) Varanasi.
Best Oral Presentation Award (Second Position)
IIT (BHU) Varanasi · 2019
in Anveshan-2019, IIT (BHU) Varanasi
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Member since
2026
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$100
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