Dr. Raghavendra Sagar is Sr. Assistant Professor in the Dept. Of Physics and Research Scientist in Physics Research Center, MITE recognized by VTU, Belagavi.. He completed his Graduation and Post Graduation from Gulbarga University in the year 2006 and 2008 respectively before joining the Dept. of Materials Science, Gulbarga University for PhD in the year 2009. He was awarded PhD in Materials Science on topic entitled “Synthesis and Characterization of Substituted Barium Zircoanates and CNT Embedded Ceramics” in the year 2013 from Gulbarga University, Kalaburagi. During his doctoral studies he has been awarded with UGC’s Research Fellowship in Sciences for Meritorious Students (RFSMS) in the year 2009 and DST’s Innovation in Science Pursuit for Inspired Research (INSPIRE) Fellowship awarded for only First Rank holder at PG level examination. After completion of PhD, he joined the Dept. of Metallurgical and Materials Engineering, IIT Madras, Chennai where he was awarded prestigious Institute Post Doctoral Fellowship in the year 2013 and worked as Institute Post Doctoral Fellow.
1. Fabrication of nano ceramics for electrical/electronic applications
2. Development of Protective coatings
3. Fabrication and characterization of CZTS, CZTSe and Silicon based solar cells
Spectral and electrical studies of MnS modified KCl single crystal grown by slow evaporation technique, Chitrakshi, Aashisha Roy, Raghavendra Sagar, Journal of Advanced Physics,, 6 (2016) 1-4
Structure, spectral, electrical, and second harmonic generation studies of Fe3+ doped MnS single crystals, Chitrakshi, Aashisha Roy, Raghavendra Sagar, Cogent Chemistry (2016), 2: 1269599
Temperature dependant optical and electrical studies of Potassium chloride, Raghavendra Sagar, Chithrakshi, International Journal of Scientific Research and Nanotechnology, 2015(1) 28-31
Temperature dependent impedance behavior of (Ba 0.6 Sr 0.4)(Zr 0.65 Ti 0.35) O 3 ceramic, CMTawade, Nagbasavanna Sharanappa, Shivanand Madolappa, Raghavendra Sagar, RL Raibagkar, AIP Conference proceedings, 1536(1)563-564
PTCR-NTCR composite behavior of bismuth titanate ceramics, Nagbasavanna Sharanappa, Shivanand Madolappa, Raghavendra Sagar, RL Raibagkar, AIP Conference proceedings, 1536(1)561-562
Synthesis, structure and electrical studies of praseodymium doped barium zirconium titanate, Raghavendra Sagar, Shivanand Madolappa, Nagbasavanna Sharanappa, and R L Raibagkar, Materials Chemistry and Physics, 140, (2013) 119-125
Synthesis, structural, thermal and electrical behavior of La-doped Bismuth titanate ceramics, Nagbasavanna Sharanappa, Shivanand Madolappa, Raghavendra Sagar, R. L. Raibagkar, Ferroelectric Letters 39 (2012) 81-87
Complex impedance and modulus studies of cerium doped barium zirconium titanate solid solution, Raghavendra Sagar, and R. L. Raibagkar, Journal of Alloys and Compounds, 549 (2013) 206–212
Investigation on microstructure and dielectric behavior of (Ba0.999-xGd0.001Crx)TiO3, Shivanand Madolappa, Raghavendra Sagar, R L Raibagkar, Bulletin of Materials Science, 36[4] (2012) 601-606
Electrical properties and microwave dielectric behavior of holmium substituted barium zirconium titanate ceramics, Raghavendra Sagar, Praveen Hudge, Shivanand Madolappa, A. C. Kumbharkhane and R L Raibagkar, Journal of Alloys and Compounds 537 (2012) 197-202
PTCR and thermoelectric properties of isovalent co-doped BaTiO3 nanoceramics. Shivanand Madolappa, Raghavendra Sagar, Nagbasavanna Sharanappa, R L Raibagkar, Ferroelectric Letters 39 (2012) 20-24
Electrical, dielectric and pyroelectric behavior of Neodymium substituted barium zirconium titanate, Raghavendra Sagar, Shivanand Madolappa and R. L. Raibagkar, Solid State Sciences 14 (2012) 211-215
NTCR behavior of Sm-substituted barium zirconium titanate nanocrystalline solid solution, Raghavendra Sagar, Shivanand Madolappa and R. L. Raibagkar, Solid State Communications 151 (2011) 1949–1952
Diffuse phase transition and pyroelectric behavior of cerium doped Ba(Zr0.52Ti0.48)O3, Raghavendra Sagar, Shivanand Madolappa and R. L. Raibagkar, Ferroelectrics Letters, 38 (2011) 128–133
Surface morphology and dielectric behavior of Gd-Doped Ba(Zr0.52Ti0.48)O3 nanocrystalline ceramics, Raghavendra Sagar, Shivanand Madolappa and R. L. Raibagkar, Transaction of Indian Ceramic Society, 70 [3] (2011) 71-77
Synthesis and structural parameters of (Ba0.6Sr0.4)(Zr1-xTix)O3 (x=0.4 and 0.5) nanoceramics, Chandrashekhar M Tawde, Raghavendra Sagar, Shivanand Madolappa and R. L. Raibagkar, World Journal of Science and Technology, 1[8] (2011) 12-14
Dielectric and impedance studies of Ce-doped Ba(Zr0.52Ti0.48)O3, Raghavendra Sagar, Shivanand Madolappa, and R L Raibagkar, Integrated Ferroelectrics, 130 (2011) 21-26
Surface morphology and dielectric studies of Zr4+-rich barium titanate, Raghavendra Sagar, Shivanand Madolappa, R L Raibagkar, American Institutes of Physics Conference Proceeding, 1349 (2011) 645-646
Synthesis, structure and electrical investigation of Gd- and Cr-doped BaTiO3 nano particle ceramics. Shivanand Madolappa, Raghavendra Sagar and R. L. Raibagkar, Ferroelectrics, 413 (2011) 37-45
Structural and transport properties of Ba1-2xGd2x(Zr0.52Ti0.48)O3 nanocrystals, Raghavendra Sagar, Shivanand Madolappa, and R L Raibagkar, Bionano Frontier, Spl. Issue (2010) 221-225