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Recent PUBLICATIONS

  1. Shukla, P. S., Agrawal, A., Gaur, A., & Varma, G. D. (2023). Facile synthesis of mesoporous MnCo2O4@ MoS2 nanocomposites for asymmetric supercapacitor application with excellent prolonged cycling stability. Journal of Energy Storage, 59, 106580.

  2. Kumar, R., Kumar, A., Shukla, P. S., Varma, G. D., Venkataraman, D., & Bag, M. (2022). Photorechargeable Hybrid Halide Perovskite Supercapacitors. ACS Applied Materials & Interfaces, 14(31), 35592-35599.

  3. Chauhan, Himanshu, Rohit Kumar, and G. D. Varma. "Study of anisotropy in the superconducting properties of FeTe0. 55Se0. 45 single crystal grown by the self-flux method." Superconductor Science and Technology 35.4 (2022): 045003.

  4. Kumar, R., Shukla, P. S., Varma, G. D., & Bag, M. (2021). Synthesis of porous electrode from CH3NH3PbBr3 single crystal for efficient supercapacitor application: Role of morphology on the charge storage and stability. Electrochimica Acta, 398, 139344.

  5. Raghav, D. S., et al. "Evolution of the magnetic and charge orders in La0. 15Pr0. 45Ca0. 40MnO3: Assessing the role of particle size and magnetic field." Journal of Magnetism and Magnetic Materials 536 (2021): 168126.

  6. Verma, Anshika, et al. "Development of E-waste based Composite Microwave Absorbing Material." Defence Science Journal 71.3 (2021): 365-371.

  7. Kanaujiya, Neha, et al. "CoMn2O4 nanoparticles decorated on 2D MoS2 frame: a synergetic energy storage composite material for practical supercapacitor applications." Journal of Energy Storage 35 (2021): 102302.

  8. Raghav, D. S., et al. "Structure, magnetism and electrical transport in La1-x-yPryCaxMnO3 (y= 0.30, 0.35, 0.40; x= 0.40): Consequences of the interplay between intrinsic ionic radius and extrinsic particle size." Materials Chemistry and Physics 258 (2021): 123900.

  9. Kumar, Atul, Anil Kumar, and G. D. Varma. "Ultrafast resistive-type γ-Fe 2 O 3–rGO nanohybrid-based humidity sensor–A respiratory monitoring tool." Journal of Materials Chemistry C 9.25 (2021): 8002-8010.

  10. Raghav, D. S., et al. "Competing magnetic and charge orders in La0. 60-xPrxCa0. 40MnO3 (x= 0.30, 0.35, 0.40, 0.45) polycrystals: consequences on magnetism and electrical transport." Applied Physics A 127.1 (2021): 1-12.

  11. Sharma, Yogesh, et al. Recent Research Trends in Energy Storage Devices: Select Papers from IMSED 2018. Springer Singapore Pte. Limited, 2020.

  12. D. S. Raghav, S. Kumari, H. K. Singh and G. D. Varma, “Structure, magnetism and electrical transport of sol-gel derived La0.30Pr0.30Ca0.40MnO3: Elucidating consequences of size effect”, J. Magnetism and Magnetic Materials 497 (2020) 166003.

  13. Kumar, Rohit, and Ghanshyam Das Varma. "Study of structural and magnetotransport properties of Fe (Te, Se) single crystals." physica status solidi (b) 257.3 (2020): 1900552.

  14. Jyoti and G. D. Varma, “Enhanced room temperature sensitivity of Ag-CuO nanobrick/reduced graphene oxide composite for NO2” J. Alloys and Compounds 806 (2019) 1469.

  15. R. Kumar and G. D. Varma, Effect of Co Doping on the Superconducting Properties of Polycrystalline Fe1.01-xCoxTe0.52Se0.48, Journal of Superconductivity and Novel Magnetism 32 (2019)3715.

  16. R. Kumar, A. Mitra and G. D. Varma, Study of vortex glass-liquid transition in superconducting Fe(Te,Se) thin films on LaAlO3 substrates, Journal of Applied Physics 125(2019) 193902.

  17. Jyoti and G. D. Varma, Synthesis of CuO-ZnO/rGO ternary composites for superior NO2 gas sensor at room temperature, Materials Research Express 3 (2019) 035011.

  18. N. Kanaujiya, N. Kumar, Y. Sharma and G. D. Varma, Probing the Electrochemical Properties of Flower Like Mesoporous MoS2 in Different Aqueous Electrolytes, Journal of Electronic Materials 48 (2019) 904.

  19. Neha Kanaujiya, Nagesh Kumar, A.K. Srivastava, Yogesh Sharma, G.D. Varma, One-step synthesized mesoporous MnO2@MoS2 nanocomposite for high Performance energy storage devices, Journal of Electroanalytical Chemistry 824 (2018)226.

  20. Jyoti, A. K. Srivastava and G. D. Varma, “Highly selective and efficient room temperature NO2 gas sensors based on Zn-doped CuO nanostructure-rGO hybrid”, J. Mater. Sci: Materials in Electronics 29 (2018) 10640.

  21. R. Kumar, Sudesh and G. D. Varma,“Superconducting, magnetic and magnetotransport properties of FeTe1-xSex single crystals”, AIP Advances 8 (2018) 055819.

  22. K. Yadav, H. K. Singh, K. K. Maurya and G. D. Varma,“Thickness-dependent magnetic and transport properties of La0.5Sr0.5MnO3 thin films deposited by DC magnetron sputtering on the LaAlO3 substrate”, Applied Physics A: Materials Science and Processing 124 (2018) 66.

  23. K. Yadav, M. P. Singh, F. S. Razavi and G. D. Varma, “Effect of Ti4+ doping on Magnetic properties of charge ordered Bi0.3Ca0.7MnO3”, Materials Research Express 4 (2017) 076102.

  24. Puthucheri Smitha, Isha Singh, Mohd Najim, Ravi Panwar, Dharmendra Singh, Vijaya Agarwala and G. D. Varma, “Development of thin broad band radar absorbing materials using nanostructured spinel ferrites”, J Mater Sci: Mater Electron 27 (2016)7731

  25. Stuti Rani, Yogesh Sharma and G. D. Varma, “Structurally induced spin canting and metamagnetism in CoFe2O4 nanoparticles synthesized via co-precipitation method”, J. Superconductivity and Novel Magnetism 28 (2015) 3633.

  26. N. Mishra, N. Dabra, A. Nautiyal, J. S. Hundal, G. D. Varma, N. P. Pathak and R. Nath, “Ferroelectric and Switching Properties of Spray Deposited NaNO2: PVA Composite Films on Porous Silicon” Ferroelectric Letter Section 42 (2015)75.

  27. Stuti Rani and G. D. Varma, “Superparamagnetism and metamagnetic transition in Fe3O4 nanoparticles synthesized via co-precipitation method at different pH”, Physica B 472(2015)66.

  28. N. Kumar, B. K. Gupta, A. K. Srivastava, H. S. Patel, P. Kumar, I. Banerjee, T. N. Narayanan and G. D. Varma, “Multifunctional Two-Dimensional Reduced Graphene Oxide Thin Film for Gas Sensing and Antibacterial Applications”, SCIENCE OF ADVANCED MATERIALS 7(2015)1125.

  29. Sudesh, S. Das, C. Bernhard and G. D. Varma, “Effect of combined addition of Graphene oxide and citric acid on superconducting properties of MgB2”, Physica C 509(2015) 49.

  30. Umesh Kumar Gaur, Anil Kumar and G. D. Varma, “Fe-induced morphological transformation of 1-D CuO nanochains to porous nanofibers with enhanced optical, magnetic and ferroelectric properties”, JOURNAL OF MATERIALS CHEMISTRY C 3(2015)4297.

  31. N. Kumar, A. K. Srivastava, R. Nath, B. K. Gupta, G. D. Varma, “Probing the highly efficient room temperature ammonia gas sensing properties of a luminescent ZnO nanowire array prepared via an AAO-assisted template route”, DALTON TRANSACTIONS 43(2014)5713.

  32. Sudesh, S. Das, C. Bernhard and G. D. Varma, “Enhanced superconducting properties of rare-earth oxides and graphene oxide added MgB2” Physica C 505 (2014) 32.

  33. Sudesh, S. Das, C. Bernhard, T. Shripathi and G. D. Varma, “Study of Superconducting Properties of ferrocene-added MgB2, Phys. Status Solidi A 211(2014) 1503.

  34. Umesh Kumar Gaur, Anil Kumar and G. D. Varma, “The synthesis of self- Assembled Polycrystalline 1-D CuO nanostructures in aqueous medium and a study of their multifunctional features, CrystEngComm 16(2014)3005.

  35. Nagesh Kumar, A. K. Srivastava, R. Nath, Bipin Kumar Gupta and G. D. Varma, “Probing the highly efficient room temperature ammonia gas sensing properties of a luminescent ZnO nanowire array prepared via an AAO-assisted template route”, Dalton Transactions 43(2014)5713.

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