Gender

Male

Location

Yokohama

Birthday:

January 10

I am...

Physicist

My research field or area of interest innanotechnology

Dr. Prashant Kumar is a materials scientist with expertise in nanomaterials, specializing in ferrites, ferrofluids, composites, thin films, and two-dimensional materials for advanced biological, environmental, and spintronics applications. He is currently working as a Research Scientist at RIKEN, Japan—one of the world’s leading research institutes renowned for its pioneering contributions to science and technology. Dr. Kumar earned his Ph.D. through a joint program between the Academy of Scientific and Innovative Research (AcSIR), India, CSIR-National Physical Laboratory, New Delhi , India and RMIT University, Australia. His doctoral research made significant advances in the synthesis, characterization, and functionalization of magnetic nanomaterials, with impactful applications in biomedical sciences—particularly magnetic fluid hyperthermia for cancer therapy. In recognition of his outstanding research, he was awarded the prestigious Baldev Raj AcSIR Best Thesis Award (2024). Over the years, Dr. Kumar has published extensively in high-impact international journals, authored several book chapters, and established himself as a rising expert in nanoscience. He also contributes to the global scientific community as an Editorial Board Member of Scientific Reports (Springer Nature), the Pharmaceuticals journal (MDPI), and serves on the Early Career Editorial Boards of Prabha Materials Science Letters and the International Journal of Molecular Sciences. In addition, he is a reviewer for several leading international publishers, including Elsevier, Springer, RSC, Wiley, IOP, MDPI, and Taylor & Francis, in the fields of nanomaterials and applied physics. Dr. Kumar has actively participated in more than 30 national and international conferences, workshops, and seminars, where he has presented his research findings. He is also a lifetime member of several prestigious professional societies, including the the National Magnetic Resonance Society of India (NMRS), the Indian Crystallographic Association (ICA), European Magnetism Association (EMA), and the Electron Microscope Society of India (EMSI). His contributions have been recognized with six paper Awards at institutional, national, and international levels. At RIKEN, Dr. Kumar continues to push the frontiers of nanoscience, exploring novel nanostructured magnetic materials to advance both fundamental understanding and real-world applications. His current research includes the design and development of high-temperature superconducting magnets for next-generation NMR systems aimed at transformative biomedical applications.

Interest in...

Research Interest Materials- Nanomaterials, Ferrites, Ferrofluids, Metal-Oxide, Polymer, Hybrid Nano Composites, Superconducting magnet, Magnetic Thin films, 2-D Materials. Applications– Spintronics, Energy Conversion, Hyperthermia, MRI, EMI Shielding, Photocatalytic, Magneto-optical devices.

Publication list

SCI Publications-26- https://scholar.google.com/citations?user=7NYMOTUAAAAJ&hl=en 1. P. Kumar, S.Pathak, A.Singh, R.Verma, H. Khanduri, S.Luhar, J. Tawale, R.P. Pant, Interfacial Spin Modulation in MWCNT/Co-Zn Ferrite Nanocomposites and Coupled Magnetic and Spin Resonance Phenomena- - Surfaces and Interfaces 77 (2025) 107997 .(corresponding author). 2. P. Kumar, S. Pathak A. Singh, R.Verma, K. Jain, H. Khanduri, Jai Tawale, L. Wang, R.P. Pant, Augmented Magnetic Nanoparticle Assimilation in rGO Sheets for Tailored Static and Dynamic Magnetic Properties in Surface Functionalized Co₀.₈Zn₀.₂Fe₂O₄ Nanoferrite-rGO Hybrid Structures, J. Mater. Chem. C, 2024, 12, 18036–18047. (corresponding author). 3. P. Kumar, A. Singh, S. Pathak K. Jain, P. Garg, M. Pant, A. Mahapatro, R. Singh, D. Rath, K. K. Maurya, R. P. Pant, Tailored Nanoparticles for Magnetic Hyperthermia: Highly Stable Aqueous Dispersion of Mn-Substituted Magnetite Superparamagnetic Nanoparticles by Double Surfactant Coating for Improved Heating Efficiency, J. Alloys Compd., 976, 172999, 2024. (Equivalent authorship). 4. P. Kumar, A. Singh, S. Pathak K. Jain, P. Garg, M. Pant, A. Mahapatro, R. Singh, D. Rath, L. Wang, S. Kim, K. K. Maurya, R. P. Pant, A Threefold Increase in SAR Performance for Magnetic Hyperthermia by Compositional Tunning in Zinc-Substituted Iron Oxide Superparamagnetic Nanoparticles with Superior Biocompatibility, J. Alloys Compd., 968, 171868, 2023. (Equivalent authorship) 5. P. Kumar, S. Pathak, K. Jain, A. Singh, Kuldeep, G. A. Basheed, R. P. Pant, Low-Temperature Large Scale Hydrothermal Synthesis of Optically Active PEG-200 Capped Single Domain MnFe2O4 Nanoparticles, J. Alloys Compd., 904 ,163992, 2022. 6. P. Kumar, S. Pathak, A. Singh, H. Khanduri, Kuldeep, K. Jain, J. Twale, L. Wang, G. A. Basheed, R. P. Pant, Enhance Statics and Dynamics Magnetic Properties of CoFe2-xErxO4 (0.7 ≤ x ≤ 0) Nano Ferrites, J. Alloys Compd., 887, 161418, 2021.(corresponding author) 7. P. Kumar, H. Khanduri, S. Pathak, A. Singh, G. A. Basheed, R. P. Pant, Temperature Selectivity for Single Phase Hydrothermal Synthesis of PEG-400 Coated Magnetite Nanoparticles, Dalton Trans., 49, 8672–8683, 2020. .(corresponding author) 8. P. Kumar, S. Pathak, A. Singh, H. Khanduri, G. A. Basheed, L. Wang, R. P. Pant, Microwave Spin Resonance Investigation on the Effect of Post Processing Annealing of CoFe2O4 Nanoparticles, Nanoscale Adv., 2, 1939–1948, 2020. .(corresponding author) 9. P. Kumar, S. Pathak, A. Singh, Kuldeep, H. Khanduri, G. A. Basheed, Xu Wang, R. P. Pant, Optimization of Cobalt Concentration and Cation Distribution for Improved Magnetic Characteristics and Stability of CoxFe3-xO4 Mixed Ferrite Magnetic Fluids, J. Mater. Chem. Phys., 265,124476, 2021. .(corresponding author). 10. P. Kumar, S. Pathak A. Singh, K. Jain, H. Khanduri, L. Wang, Kim, S. K. Kim, R.P. Pant, Observation of Intrinsic Fluorescence in Cobalt Ferrite Magnetic Nanoparticles by Mn2+ Substitution and Tuning of the Spin Dynamics by Cation Distribution, J. Mater. Chem. C, 10, 12652–12679, 2022. 11. P. Kumar,A. Singh, S. Pathak, K. Jain; H. Khanduri, L. Wang, J. Partridge, R.P. Pant, Effect of post annealing process on structural, magnetic and spin dynamics properties of MnFe2O4 nanoparticles, Materials Today: Proceedings,2023. Corresponding author. 12. H. Khanduri, M.C. Dimri, P, Kumar, J.S. Tawale, R.P. Pant, Low temperature garnet phase formation in Mn-substituted Y3Fe5-xMnxO12 nanoparticles via citrate combustion synthesis, Ceramics International 50 (2024) 32591–32602. 13. S. Pathak, K. Jain, P. Kumar, X. Wang and R.P. Pant, Improved Thermal Performance of Annular Fin-Shell Tube System Using Magnetic Fluid, Appl. Energy, 239,1524–1535, 2019. 14. S. Pathak, R. Verma, S. Bansal, R. Chaturvedi, P. Kumar, P. Sharma, Xu Wang, R.P. Pant, Spin Dynamics Investigations of Multifunctional Ambient Scalable Fe3O4 Surface Decorated ZnO Magnetic Nanocomposite Using FMR, Sci.Rep.,11,3799,2021. 15. K. Jain, S. Pathak, P. Kumar, A. Singh, R. P. Pant, Dynamic Magneto-Optical Inversion in Magnetic Fluid Using Nano-MOKE-III, J. Magn. Magn. Mater., 475, 782–786, 2019. 16. A. Singh, S. Pathak, P. Kumar, P. Sharma, A, Rathi, G.A. Basheed, K.K Maurya, R.P. Pant, Tuning the Magneto Crystalline Anisotropy and Spin Dynamics in CoxZn1-xFe2O4. Nano ferrites, J. Magn. Magn. Mater., 493,165737, 2019. 17. A. Mishra, S. Pathak, P. Kumar, A. Singh, K Jain, R. Chaturvedi, D. Singh, G.A. Basheed, R.P. Pant, Static and Dynamic Magneto-Viscoelasticity in Facile Varying pH Synthesized CoFe2O4 Based Magnetic Fluid, IEEE Trans. Magn., 55, 4601107, 2019. 18. H. Khanduri, M.C. Dimri, P. Kumar, S. Chaudhary. K. Anand, R.P. Pant, Structural, Magnetic and Magneto-Optical Studies of Mn/Al Bilayer Thin Films on GaAs Substrates, RSC Adv.,9,41764–41774,2019. 19. S. Pathak, R. Verma, P. Kumar, A. Singh, S. Singhal, P. Sharma, K. Jain, R.P. Pant, Xu Wang, Facile Synthesis, Static and Dynamic Magnetic Characteristics of Varying Size Double Surfactant Coated Mesoscopic Magnetic Nanoparticle Dispersed Stable Aqueous Magnetic Fluids, Nanomaterials, 11, 3009, 2021. 20. A. Kumar, S. Kumari, V. Kumar, P. Kumar, V. N. Thakur, A. Kumar, P. K. Goyal, A. Arya, A.L. Sharma, Synthesis, Phase Confirmation and Electrical Properties of (1-x) KNNS−x BNZSH Lead-Free Ceramics, J. Mater. Sci: Mater. Electron., 33, 6240–6252,2022. 21. Kuldeep, K. Jain, P. Kumar, R.P. Pant, G.A. Basheed-Tunning of Rheological and Magnetic Properties of Ni doped Magnetite based Magnetic Nanofluid, Phys. B: Condens. Matter., 643, 414136, 2022. 22. S. Kumar, A. Ohlan, P. Kumar, V. Verma, Improved Electromagnetic Interference Shielding Response of Polyaniline Containing Magnetic Nano-ferrites, J. Supercond. Nov. Magn., 33, 1187–1198, 2020. 23. H. Khanduri, M.C. Dimri, S. A. Khan, P. Kumar, J. Link, R. Stern, N.K Gupta, and R. P. Pant, Enhanced Ferromagnetic and Magneto-Optical Properties of Mn/Al Bilayer Thin Films Induced by Swift Heavy (Ag) Ion Irradiation, J. Mater. Res., 37, 15, 2022. 24. H. Khanduri, M.C. Dimri, P. Kumar, J. Link, R. Stern, R. P. Pant, Modification in structural and magnetic properties of Mn/Al bilayer thin films by swift heavy ion irradiation, Materials Today: Proceedings,2023. 25. A. Singh, P. Kumar, P. Rajput, K. Jain, S. Pathak, S. Puri, K. K. Maurya, R.P. Pant, Investigating the Impact of Zinc Ion Substitution on the Rheological Properties and Hyperthermia Potential of Cobalt Ferrite-Based Ferrofluid, Materials Today: Proceedings,2023. 26. Arjun Singh, P.Kumar, Design and Validation of a Low-Cost, Portable Arduino-Based Platform for Assessing Physicochemical Drinking Water Quality Across Urban and Peri-Urban Areas of Delhi and Surrounding Regions, Water Conservation Science and Engineering (2025) 10:69.

Researchgroup, Institute, University, School, Company name

IMS RIKEN Center for Integrative Medical Sciences

Researchgroup, Institute, Company, University, School webpage

https://www.riken.jp/en/research/labs/ims/nextgen_magn_dev_collab/index.html

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