Publications in International Peer Reviewed Journals:
First-Author :8 , Co-Author:2
10.Sahu, Ranjan Kumar, and Saket Asthana. "Enhanced Energy Storage and Thermal-Frequency Stability in Lead-Free Relaxor Ceramics through Single-Element Substitution: A Landau Perspective." ACS Applied Energy Materials (2025).
9.Sahu, Ranjan Kumar, and Saket Asthana. "Compositional Engineering of A-site High-Entropy Ferroelectrics Using Equimolar and Non-Equimolar Methods." Journal of Solid State Chemistry (2025): 125671.
8.Sahu, Ranjan Kumar, and Saket Asthana. "Enhancement of Piezoelectric and Ferroelectric Response via Tunning of Relaxor and Anti-Ferroelectrics: Insights from Poling Study." Journal of Alloys and Compounds (2024): 178227.
7.Sahu, Ranjan Kumar, et al. "Effect of Rb substitution on dielectric, ferroelectric, mechanical and biocompatibility properties of Na0. 2K0. 3Bi0. 5TiO3 Ceramics." Materials Chemistry and Physics (2024): 130201.
6.Sahu, Ranjan Kumar, and Saket Asthana. "Enhanced energy storage performance, breakdown strength, and thermal stability in compositionally designed relaxor Eu3+ substituted Na0.2K0.3Bi0.5TiO3 ." Journal of Energy storage.
5.Banerjee, Krishnarjun, Ranjan Kumar Sahu, and Saket Asthana. "Enhanced recoverable energy storage density and breakdown strength in cation-site modified K0· 5Bi0· 5TiO3-based ergodic relaxor ferroelectric." Journal of Physics and Chemistry of Solids 190 (2024): 111981.
4.Sahu, Ranjan Kumar, and Saket Asthana. "Effect of k-ion-rich substitution on structural, thermally assisted relaxation processes in Na0. 5Bi0. 5TiO3 relaxor ferroelectric." Materials Science and Engineering: B 299 (2024): 117038.
3.Rao, M. Umamaheswara, et al. "Biogas reforming to syngas in a DBD plasma reactor with dielectric materials packing: Effect of H2S on the conversion of CH4 and CO2." Biomass and Bioenergy 173 (2023): 106781.
2.Sahu, Ranjan Kumar, Krishnarjun Banerjee, and Saket Asthana. "Ergodic-nonergodic relaxor behavior, recoverable energy storage density, and dynamic hysteresis scaling in NKBT ferroelectrics." Journal of Materials Science: Materials in Electronics 34.11 (2023): 972.
1.Sahu, Ranjan Kumar, and Saket Asthana. "Improved recoverable energy storage density, breakdown strength, and relaxor nature in eco-friendly K+ 1-ion rich NBT ferroelectrics." Journal of Alloys and Compounds 929 (2022): 167340.
Patent:
1. Sahu, Ranjan Kumar, Sajmina khatun, Arvind Kumar Regan and Saket Asthana. “Investigation of Biocompatibility in ferroelectric materials for future applications” Indian National Phase/ Indian Patent Application No. 202441036782. (Patent Grant)
2.A STRONTIUM BISMUTH TITANATE-BASED DIELECTRIC CERAMIC MATERIAL AND A METHOD OF PREPARATION THEREOF. (Patent Grant)
Conference Proceedings
1. Sahu, Ranjan Kumar, and Saket Asthana. Effect of A-Site Cation Substitution of Rb1+ On Dielectric and Ferroelectric Properties in Na0.2K0.3Bi0.5TiO3 AIP Conference Proceedings.
2. Sahu, Ranjan Kumar, and Saket Asthana. Enhancement of Relaxor Properties in NKBT via BMN Additive AIP Conference Proceedings.
3. Sahu, Ranjan Kumar, and Saket Asthana. Enhancement of Electromechanical and Piezoelectric Charge Coefficient in Lead-Free Na0.2K0.3Bi0.5TiO3 Ceramic Through Poling Effect IEEE Conference Proceedings.
Conferences Attended
2023 ISAF-ISIF-PFM Joint Conference July23 - 27, Cleveland, Ohio, USA (Poster presentation)
Microactuators, Microsensors, and Micromechanisms (MAMM) at Indian Institute of Technology (IIT) Hyderabad from Dec.2-4, 2022 (Oral talk)
Emerging Material 2023 conference in IISER Pune 13-15 july (poster presentation)
67th DAE Solid State Physics Symposium December 20-24, 2023 Gandhi Institute of Technology and Management (GITAM) Visakhapatnam, Andhra Pradesh, India(Poster presentation)
The 2024 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium September 22 – 26, 2024, at the Taipei Nangang Exhibition Center in Taipei, Taiwan. (poster presentation)
68th DAE Solid State Physics Symposium (DAE-SSPS 2024) will be held at DAE Convention Centre Anushaktinagar, Mumbai, Maharashtra, India during December 18 - 23(Poster presentation)- Best poster award
IEEE South Asia Ferroelectric Symposium 2025 , IISc Bengaluru 5-7 Aug,2025 (Poster Presentation): Best Poster award