Faculty

Ramanathan Mahendiran

PhD in Experimental Physics, Indian Institute of Science, Bangalore, India (1997)

Associate Professor
Office : S12-02-10  |  Tel : (65) 6516 2616
Email : phyrm@nus.edu.sg

Current Research

  • Oxide Spintronics : Materials, physics and devices;

  • Magnetic and Resistive Non-volatile Memories;

  • Electron correlation effects in oxides;

  • Magnetocalorics, Thermoelectrics and Spincaloritronics;

  • Multiferroics and Relaxor Ferroelectrics;

  • High frequency magnetotransport;

  • Magnetization dynamics in nanostructures;

  • Magnetic Shape Memory alloys;

  • Giant Magnetostrictive materials;

  • Ordered magnetic nanostructures;

  • Energy harvesting

Left: High frequency magneto transport in progress
Right: Current-driven first-order insulator to metal transition and associated electrothermal phenomena in an oxide

Selected Publications

  1. D. M. Repaka, X. Chen, R. V. Ramanujan, and R. Mahendiran, Magnetic field dependence of resistivity and thermopower in Ni50Mn37Sn13 ribbons, AIP Advances. 5, 97116 (2015).

  2. P. Kumar and R. Mahendiran, Magnetothermopower, Magnetic entropy change and Magnetoresistance in ferromagnetic Cobaltites:R0.7Sr0.3CoO3 (R = La, Gd), Appl. Phys. Lett. 106, 142401 (2015).

  3. X. Chen, V.B. Naik, R. Mahendiran and R. Ramanujan, Optimization of Ni-Co-Mn-In alloy composition for near room temperature magnetic cooling, J. Alloys and Compounds. 618, 187 (2015).

  4. Km Rubi, P. Kumar, D. M. Repaka, R. Chen, J.-S. Wang, R. Mahendiran , Giant magnetocaloric effect in magnetoelectric Eu1-xBaxTiO3, Appl. Phys. Lett.104, 032407 (2014).

  5. R. Thiagarajan, S. E. Muthu , R. Mahendiran and S. Arumugam, Effect of hydrostatic pressure on magnetic and magnetocaloric properties of Mn-site doped perovskite manganites Pr0.6Ca0.4Mn0.96B0.04O3 (B = Co, Cr), J. Appl. Phys. 115, 043905 (2014)

  6. D.M. Repaka, and R. Mahendiran, Giant Magnetothermopower in Nd0.75Na0.25MnO3 , Appl. Phys. Lett. 104, 162408 (2013).

  7. T.S. Tripathi, R. Mahendiran, and A.K. Rastogi, Correlation between magnetoresistivity and magnetic entropy change in the 3D Heisenberg ferromagnet CuCr2Te4 , J. Appl. Phys. 113, 233907 (2013).

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