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Dr. REPAKA Durga Venkata Maheswar

Scientist I

Staff

Electronic Materials (ELE) Department

65011843

Repakadvm@imre.a-star.edu.sg

Fusionopolis Way, Innovis, #08-03, Singapore 138634

https://scholar.google.com.sg/citations?user=TTZaAIwAAAAJ&hl=en


Research Details


- Electrical and thermal transport properties of nanostructured bulk materials and thin films

- 2D and hybrid thermoelectric materials


- Electrical, thermal and thermoelectric transport in nanostructured bulk materials and metallic alloys

- Characterization of magnetic materials, Hall and Nernst effect measurements using Physical Property Measurement System (PPMS, QD USA)


- Research Associate, School of Materials Science and Engineering, NTU Singapore, June 2016

Faculty member in ICFAI-Tech University, Dehradun, India, Dec 2009


- Ph.D. (Physics), National University of Singapore (NUS), Singapore, 2015

- M. Tech. (Solid State Technology), Dept. of Physics, IIT Kharagpur, India, 2009

- M. Sc., Physics, Andhra University, India, 2007


- IEEE student travel grant award, 12th joint MMM-Intermag conference, Chicago, USA, 2013

- NUS Ph.D. Research Scholarship, 2010

- Human Resource Development Scholarship for M. Tech, IIT Kharagpur 2007

- All India 92 rank in Graduate Aptitude Test in Engineering (GATE) in Physics, 2006


- Members of MRS Singapore

- IEEE Magnetic Society


1. D. V. Maheswar Repaka, Vinay Sharma and R V Ramanujan, “Near room temperature magnetocaloric and critical behavior of binary FexCu100-x nanoparticles” J. Alloys Compd., 690, 575 (2017)

2. K Rubi, A Midya, R Mahendiran, D. V. Maheswar Repaka and RV Ramanujan, “Magnetocaloric properties of Eu1-xLaxTiO3 (0.01 ≤  x ≤ 0.2) for cryogenic magnetic cooling” J. App. Phys. 119, 243901 (2016)


3. X. Chen, D. V. Maheswar Repaka and R. V. Ramanujan, “Structural investigation of the crossover in the magnetic transition of Mn–Fe–P–Ge magnetocaloric powders”, Journal of alloys and compounds, 658, 104 (2016)

4. D. V. Maheswar Repaka, X. Chen, R. V. Ramanujan and R. Mahendiran, “Magnetic field dependence of electrical resistivity and thermopower in Ni50Mn37Sn13 ribbons”, AIP Advances, 5, 097116 (2015)

5. V. Chaudhary, D. V. Maheswar Repaka, A. Chaturvedi, I. Sridhar, R.V. Ramanujan, “Magnetocaloric properties and critical behavior of high relative cooling power FeNiB nanoparticles”, J. Appl. Phys., 116, 163918 (2014)

6. V. Chaudhary, X. Chen, D. V. Maheswar Repaka, A Chaturvedi, Z. Wang, R. V. Ramanujan, “High Relative cooling power iron based magnetocaloric nanoparticles”, 6th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VI), Victoria, Canada (2014)

7. Km Rubi, Pawan Kumar, D. V. Maheswar Repaka and R. Mahendiran, “Giant magneto caloric effect in magneto electric Eu1-xBaxTiO3”, Appl. Phys. Lett. 104, 032407 (2014)

8. D. V. Maheswar Repaka and R. Mahendiran, “Giant magnetothermopower in charge ordered Nd0.75Na0.25MnO3”, Appl. Phys. Lett. 103, 162408 (2013)

9. H. K. Jani, D. V. Maheswar Repaka, and R. Mahendiran, “Pressure dependence of resistivity and magnetoresistance in Pr-doped La0.7Ca0.3MnO3”, J. Appl. Phys. 113, 17D721 (2013)

10. D. V. Maheswar Repaka, M. Aparnadevi, Pawan Kumar, T. S. Tripathi, and R. Mahendiran, “Normal and inverse magnetocaloric effects in ferromagnetic Pr0.58Sr0.42MnO3”, J. Appl. Phys. 113, 17A906 (2013)

11. Pawan Kumar, D. V. Maheswar Repaka, M. Aparnadevi, T. S. Tripathi, and R. Mahendiran, “Influence of Ga doping on rare earth moment ordering and ferromagnetic transition in Nd0.7Sr0.3Co1-xGaxO3”, J. Appl. Phys. 113, 17D702 (2013)

12. D. V. Maheswar Repaka, T. S. Tripathi, M. Aparnadevi, and R. Mahendiran, “Magnetocaloric effect and magnetothermopower in the room temperature ferromagnet Pr0.6Sr0.4MnO3” J. Appl. Phys. 112, 123915 (2012)

13. L. Y. Wong, R. Q. Png, F. B. Shanjeera, L. L. Chua, D. V. Maheswar Repaka, S. Chen, X. Y. Gao, L. Ke, S. J. Chua, A. T. S. Wee, and P. K. H. Ho, “Interplay of Processing, Morphological Order, and Charge-Carrier Mobility in Polythiophene Thin Films Deposited by Different Methods: Comparison of Spin-Cast, Drop-Cast, and Inkjet-Printed Films”, Langmuir 26, 15494 (2010)


Last updated on : 04 Sep 2017 06:22 PM