RESEARCH INTERESTS*

• Preparation and Characterization of High-Entropy magnetic alloys* : Soft | Semi-Hard | Permanent Magnet Applications

• Magnetic Materials - Intermetallic - Heusler Alloys - Magnetocaloric Materials*

• Preparation of Soft magnetic alloys - Vacuum arc melting technique

• Applications: Magnetic Refrigerators; Thermomagnetic Generators; Permanent Magnets; High-temperature applications

• Preparation of intermetallic alloys and polymer composites

• Design and implementation of the measurement setup for acoustic and magnetic actuation   studies

• Acoustic assistance in FSMA, Sensors, and Actuators using FSMA.

Recent Publications

1. N.K. Ravisankar, S.P. Rajasabai, Analysis of structural and thermomagnetic properties in hexagonal Fe50Mn35Sn15 alloy, Appl. Phys. A Mater. Sci. Process. 130 (2024). https://doi.org/10.1007/s00339-024-07915-8 

2. N.K. Ravisankar, U.M.K. Koppolu, M.R. M, S.P. Rajasabai, High-Temperature Magnetocaloric Properties of Off-Stoichiometric Fe$$_{3}$$Al Alloys, J. Supercond. Nov. Magn. (2024). https://doi.org/10.1007/s10948-024-06828-0 

3. N.K. Ravisankar, S.P. Rajasabai, Large magnetocaloric effect in D03-type Fe3Al alloys, Phys. B Condens. Matter. 651 (2023) 414585. https://doi.org/10.1016/j.physb.2022.414585 

4. S.P. Rajasabai, U.M.K. Koppolu, Meta-magnetism and exchange interaction in binary alloy Fe2Ge, J. Magn. Magn. Mater. 565 (2023) 170230. https://doi.org/10.1016/j.jmmm.2022.170230 

5. R. Naveen Kumar, U.M.K. Koppolu, S.P. Rajasabai, Magnetic behavior of ordered DO3-type Fe3Al Heusler alloy, Mater. Today Proc. 65 (2022) 157–162. https://doi.org/10.1016/j.matpr.2022.05.553