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Research Articles

  1. Anshu K Jha, Amit K Gupta, Priyanka Kumari, Rohit R Shahi, Dielectric Properties of Dual Phase (Cu-Zn-Ni-Mg-Fe) O High Entropy Oxide. Indian Journal of Pure & Applied Physics (IJPAP) 62 (2024) 133-143. https://doi.org/10.56042/ijpap.v62i2.7694.

  2. Amit K Gupta, Aryan Singh, Priyanka Kumari, Neeraj K. Giri, Rohit R. Shahi, Effect of synthesis routes on electrochemical properties as supercapacitor electrode for novel spinel (CuNiFeMnCo)3O4 high entropy oxide. Energy Storage. e538 (2023). https://doi.org/10.1002/est2.538.

  3. Amit K Gupta, Shubham Kumar, Neeraj K. Giri, Rohit R Shahi, Electrochemical charge storage properties of novel inverse spinel (CuNiZnAlFe) 3O4 type high entropy oxide. Energy Storage. e527 (2023). https://doi.org/10.1002/est2.527.

  4. Rajesh K Mishra, Priyanka Kumari, Amit K Gupta, Rohit R Shahi, Comparison on structural and magnetic properties of FeCoNi medium entropy alloy, FeCoNiAl and FeCoNiAlTi high entropy alloys. Proc.Indian Natl. Sci. Acad. 89, 347–354 (2023). https://doi.org/10.1007/s43538-023-00160-2.

  5. Priyanka Kumari, Abhishek Kumar, Rajesh K. Mishra, M.A. Shaz, T.P. Yadav, Rohit R. Shahi, Investigations on phase formation and magnetic properties of promisingCo35Cr5Fe10Ni30Ti20 high entropy alloy synthesized through radio frequency induction melting, Journal of Alloys and Compounds, 960, 2023,170697,https://doi.org/10.1016/j.jallcom.2023.170697.

  6. Priyanka Kumari, Rajesh K. Mishra, Amit K. Gupta, Shashikant Mohapatra, Rohit R. Shahi, A systematic investigations on effect of annealing temperature on magnetic properties of a promising soft magnetic Co35Cr5Fe10Ni30Ti20 HEA, Journal of Alloys and Compounds,931,2023,167451. https://doi.org/10.1016/j.jallcom.2022.167451. 

  7. Amit K. Gupta, Priyanka Kumari, Ashish Prakash, Neeraj K. Giri, Rohit R. Shahi, Synthesis, characterizations, and magnetic behavior of novel (CuNiTiZnFe)3O4 high entropy spinel oxide, Ceramics International, 2022, ISSN 0272-8842, https://doi.org/10.1016/j.ceramint.2022.08.183. 

  8. Rohit R. Shahi, Amit K. Gupta, Priyanka Kumari, Perspectives of high entropy alloys as hydrogen storage materials, International Journal of Hydrogen Energy,2022, https://doi.org/10.1016/j.ijhydene.2022.02.113. 

  9. Priyanka Kumari, Amit Kumar Gupta, Rajesh K. Mishra, M. S. Ahmed, Rohit R. Shahi, A Comprehensive Review: Recent Progress on Magnetic High Entropy Alloys and Oxides, Journal of Magnetism and Magnetic Materials 554 (2022) 169142. https://doi.org/10.1016/j.jmmm.2022.169142.

  10. Rajesh K Mishra, Priyanka Kumari, Amit K Gupta, Rohit R Shahi, Design and development of Co35Cr5Fe20−xNi20+xTi20 High Entropy Alloy with excellent magnetic softness, Journal of Alloys and Compounds. 889 (2022) 161773. https://doi.org/10.1016/j.jallcom.2021.161773.

  11. Rajesh Mishra, Rohit R. Shahi A Systematic Approach for Enhancing Magnetic Properties of CoCrFeNiTi-based High Entropy Alloys via stoichiometric variation and annealing Journal of Alloys and Compounds 81 (2020) 153534.

  12. Rajesh Mishra, Rohit R. Shahi, A novel low-density semi-hard magnetic Al20Fe20Mg20Ni20Ti20 high entropy alloy Journal of Magnetism and Magnetic Materials 516 (2020) 167342.

  13. RK Mishra, RR Shahi, AR Singh, PP Sahay, Synthesis, characterizations, and magnetic properties of FeCoNiTi-based high-entropy alloys. emergent mater. 3, 655–662 (2020). https://doi.org/10.1007/s42247-020-00110-4.

  14. Rajesh Mishra, Rohit R. Shahi, Novel Co35Cr5Fe20Ni20Ti20 High Entropy Alloy for high magnetization and low coercivity, Journal of Magnetism and Magnetic Materials Volume 484 , AUG 2019, Pages 83-87.  ISSN: 0304-8853. https://doi.org/10.1016/j.jmmm.2019.03.129.

  15. Rajesh Mishra ,P.P.Sahay,  Rohit R. Shahi, “Alloying, Magnetic And Corrosion Behavior Of Alcrfemnniti High Entropy Alloy” Journal of Materials science Volume 54, Issue 5, 2019, pp 4433–4443. https://link.springer.com/article/10.1007/s10853-018-3153-z.

  16. Rajesh Mishra ,Rohit R. Shahi,  “Effect of Annealing Conditions and Temperatures on Phase Formation and Magnetic High Entropy Alloy” Journal of Magnetism and Magnetic Materials Volume 465, 1 November 2018, Pages 169-175. I.F 3.097 Corresponding Author.https://doi.org/10.1016/j.jmmm.2018.04.056.

  17. Rajesh Mishra ,Rohit R. Shahi, “Effect of Annealing on Phase formation and their Correlation with Magnetic Characteristics of TiFeNiCrCo HEA” Materials Today: Proceedings (2019)  18 (3), 1422-1429.

  18. Rajesh Mishra ,Rohit R. Shahi, “Phase evolution and magnetic characteristics of TiFeNiCr and TiFeNiCrM (M= Mn, Co) high entropy alloys” Journal of Journal of Magnetism and Magnetic Materials 442, 2017, Pages 218-223. 

  19. Rohit R.Shahi, Rajesh K. Mishra, VivekShukla, Ashish Bhatnagar O. N. Srivastava “Enhanced hydrogenation characteristics of Li-Mg-N-H system catalyzed with TiO2 nanoparticles; a mechanistic approach” International Journal of Hydrogen Energy Volume 42, Issue 49, 7 December 2017, Pages 29350-29359  ISSN: 0360-3199. 

  20. R. K. Mishra, C.S.Prajapati  Rohit R. Shahi, A. K. Kushwaha P.P.Sahay “Influence of electrodeposition modes on the electrochemical performance of MnO2 films prepared using anionic MnO4− (Mn7+) precursor”  Ceramics International Volume 44, Issue 5, 1 April 2018, Pages 5710-5718. ISBN 0272-8842.

  21. O.N Srivastava, T.P. Yadav, Rohit R Shahi, Sunita K Pandey, M. A Shaz and Ashish Bhatnagar, Hydrogen energy in India: storage to application. Proc Indian Natn Sci Acad 81 No. 4 September 2015 pp. 915-937.

  22. Rohit R Shahi T.P. Yadav, M.A. Shaz, O N Srivastava “Synthesis characterization and hydrogenation behaviour of as quenched Ti41.5+XZr41.5-XNi17 (x=0, 3.5, 11.5 and 13.5) nano quasicrystalline ribbons Journal of Physics: Conference Series 809 (1), 012011.

  23. Rohit R. Shahi, Ashish Bhatnagar, Sunita Pandey, Vivek shukla, T P Yadav, M A Shaz and O. N. Srivastava “MgH2-ZrFe2Hx nanocomposites for improved hydrogen storage characteristics of MgH2 International Journal of Hydrogen Energy 40 (2015) 11506-11513.

  24. Vivek shukla, Ashish Bhatnagar, Sunita Pandey, Rohit R. Shahi , T P Yadav, M A Shaz and O. N. Srivastava  “On the synthesis, characterization and hydrogen storage behavior of ZrFe2 catalyzed Li-Mg-N-H hydrogen storage material”  International Journal of Hydrogen Energy 40 (2015) 12294-12302.

  25. S K Pandey, A Bhatnagar, Rohit R Shahi, TP Yadav, O.N.Srivastava Co-Catalytic Effect of Carbon Based Nanostructures and TiO2 on Sorption Behavior of Nanocrystalline MgH2  Advanced Science Letters 20 (2014) 1120-1123.

  26. Ashish Bhatnagar, Sunita K Pandey, Rohit R Shahi, M.A.Shaz and O.N.Srivastava  “Catalytic effect of carbon nanostructures on the hydrogen storage properties of MgH2–NaAlH4 composite”  International Journal of Hydrogen Energy 39, 2014  1440-1446. 

  27. Rohit R. Shahi, Ashish Bhatnagar, Sunita Pandey, Viney Dixit and O.N.Srivastava “Effects of Ti-based Catalysts and Synergistic Effect of SWCNTs-TiF3 on Hydrogen Uptake and Release from MgH2”International Journal of Hydrogen Energy 39 (2014) 14255-14261.

  28. Devinder Singh, Rohit R. Shahi, T.P. Yadav, R.K. Mandal, R.S. Tiwari, O.N. Srivastava “Hydrogenation of (Zr69.5Al7.5Cu12Ni11)100 − xTix quasicrystalline alloys and its effect on their structural and microhardness behavior” Journal of Non-Crystalline Solids 380 (2013) 11–16 ISBN 0022-3093.

  29. Ashish Bhatnagar, Sunita K Pandey, Rohit R Shahi, M Hudson, MA Shaz, ON Srivastava “Synthesis Characterization and hydrogenation studies of mixed sodium potassium alanate”Crystal Research and Technology Volume 48, Issue 8, pages 520–531, August 2013 ISBN  1521-4079.

  30. Sunita K. Pandey, Ashish Bhatnagar, Rohit R. Shahi, M. Sterlin Leo Hudson, Milind K. Singh, and O. N. Srivastava “Effect of TiO2 Nanoparticles on the Hydrogen Sorption Characteristics of Magnesium Hydride” Journal of Nanoscience and Nanotechnology Vol 13, 2013, 1–7, ISBN 1533-4899.

  31. Rohit R.Shahi, Himanshu Raghubanshi, M.A.Shaz, O.N.Srivastava “Improved hydrogen storage performance of Mg(NH2)2/LiH mixture by addition of carbon nanostructured materials”International Journal of Hydrogen Energy 38, 21,2013, 8863–8871.

  32. T.P. Yadav, D. Singh, Rohit.R. Shahi, M.A.Shaz, R.S.Tiwari and O.N.Srivastava “Synthesis of quasicrystalline film of Al-Ga-Pd-Mn alloy” Thin Solid Films 534,2013, 265-269 ISBN 0040-6090.

  33. Rohit R Shahi, Anand P Tiwari, M.A.Shaz, O.N. Srivastava, “Studies on de/rehydrogenation behavior of MgH2 co-catalyzed with Ti, Fe and Ni” International Journal of Hydrogen Energy. 38(2013) 2778-2784.

  34. Rohit R Shahi, Himanshu Raghubanshi, M.A.shaz, O.N. Srivastava “Studies on the de/re-hydrogenation characteristics of nanocrystalline MgH2 admixed with carbon nanofibres Applied Nanoscience (2012) 2:195-201. ISBN 2190-5517.

  35. T.P.Yadav, Rohit R Shahi, O.N. Srivastava,”Studies on Synthesis Characterization of AB2 (ZrFe2,Zr(Fe0.75V0.25)2, Zr(Fe0.5V0.5)2) Type Hydrogen Storage materials” International Journal of Hydrogen Energy 37 (2012)pp 3689-3696.

  36. Rohit R. Shahi, Himanshu Raghubanshi, M.A. Shaz, O.N. Srivastava, “Studies on the de/rehydrogenation characteristic of Mg(NH2)2/LiH mixture admixed with carbon nanofibres” International Journal of Hydrogen Energy 37 (2012) pp 3705-3711.

  37. T.P. Yadav, Devinder Singh, Rohit R Shahi, M.A.Shaz, R.S.Tiwari and O.N.Srivastava “Formation of quasicrystalline phase in Al70-xGaxPd17Mn13 alloys” Philosophical Magazine (2011) 91 (19-21), 2474-2481 ISBN 1478-6443.

  38. Rohit R. Shahi, T.P. Yadav, M.A. Shaz, O.N. Srivastava “Effect of processing parameter on hydrogenation characteristics of  Ti45Zr38Ni17 quasicrstalline alloys” International Journal of Hydrogen Energy. 36(2011)pp 592-599.   

  39. Rohit R. Shahi, T.P. Yadav, M.A. Shaz, O.N. Srivastava “Studies on dehydrogenation characteristic of Mg(NH2)2/LiH mixture admixed with vanadium and vanadium based catalysts (V, V2O5 and VCl3). International Journal of Hydrogen Energy,  35 (2010) pp 238-346. 

  40. Rohit R. Shahi, T.P. Yadav, M.A. Shaz, O.N. Srivastava “Effects of mechanical milling on desorption kinetics and phase transformation of LiNH2/MgH2 mixture. International Journal of Hydrogen Energy 33(2008)6188-6194.

  41. M. S L Hudson, P.K. Dubey, D. Pukazhselvan, S. K  Pandey, R K Singh, H. Raghubanshi, Rohit R. Shahi  O.N. Srivastava “Hydrogen energy in changing environmental scenario: Indian context”, International Journal of Hydrogen Energy 34 (2009) pp. 7358-7367.

Book Chapters

  1. Priyanka Kumari, Amit K. Gupta, Shashi Kant Mohapatra, Rohit R Shahi, (2023). Nanocrystalline High Entropy Alloys and Oxides as Emerging Materials for Functional Applications. In: Singh, D.K., Singh, S., Singh, P. (eds) Nanomaterials. Springer, Singapore. https://doi.org/10.1007/978-981-19-7963-7_6.

  2. Amit K Gupta Aashish Prakash, High Entropy Materials, An emerging Material for Battery and Super-capacitive Applications, in BOOK Materials Science Future aspects Nova Scientific Publications June 2022

  3. Rohit R Shahi, Rajesh K Mishra “High Entropy Alloys: As a Potential Magnetic Materials” for inclusion in bound volume on HIGH ENTROPY ALLOYS: Innovations, Advances and Applications CRC Press (July 2020)

  4. Rohit R Shahi “ Benificial Effects of Graphene on Hydrogen Uptake and Release from Light Hydrogen Storage Materials” Book “ Hydrogen Storage Technologies” Editor Mehmet Sankir, Nurdan Demirci Sankir Pages 229-262 ISBN 978-119-45988-0, Publisher: John Wiley & Sons (International), (July 2018)

  5. Rajesh K Mishra, Rohit R Shahi “Magnetic Characteristics of High Entropy Alloys” Book “Magnetism and Magnetic Materials” Pages 67-80 678010.5772/intech.74235 Publisher: Intech Open (International) (2018). ISBN 978-1-78923-679-8

  6. Rohit R Shahi, ON Srivastava “Catalytic Application of Carbon based Nanostructured Materials on Hydrogen Sorption Behavior of Light Metal Hydrides” Book Advanced Carbon Materials and Technology Pages 129-171, ISBN 9781118686232, Publisher John Wiley & Sons (International) (2014).

Book

1.  Rohit R Shahi, M.A. Shaz, O. N. Srivastava (2014) “Potential Hydrogen Storage Materials” Publisher LAP LAMBERT Academic Publishing, Germany, (International) ISBN 978-3-659-62169-7.

Functional Materials Research Laboratory
Department of Physics
Central University of South Bihar, Gaya

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