Raghavendra Sagar

@mite.ac.in

Associate professor and Physics
Mangalore Institute of Technology & Engineering

Raghavendra Sagar


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https://researchid.co/raghav_sagar

EDUCATION

M.Sc., Ph.D, PDF (IIT-Madras)

RESEARCH, TEACHING, or OTHER INTERESTS

Materials Science, Electronic, Optical and Magnetic Materials, Materials Science, Ceramics and Composites
44

Scopus Publications

578

Scholar Citations

14

Scholar h-index

17

Scholar i10-index

Scopus Publications

RECENT SCHOLAR PUBLICATIONS

  • Electrochemical performance of CuMn 2 O 4 spinel as a sustainable electrode material employed for high-performance supercapacitors on stiff and flexible copper …
    R Sagar, VS Bhat, CR Rajashekhar
    Bulletin of Materials Science 49 (2), 90 , 2026
    2026
  • Internal Coatings to Prevent Slurry Erosion in Pipelines
    N Acharya, R Sagar, N Badi
    Slurry Erosion, 166-181 , 2026
    2026
  • Metal Oxide Thin Films as Anti-Reflection Coatings for Enhancing the Photon to Energy Conversion Efficiency of Photovoltaic Cells
    R Sagar
    Metal Oxides, 163-182 , 2025
    2025
  • Modified Zirconia as an Efficient Thermal Barrier Coating: A Case Study on ZrO2-Based Coatings
    R Sagar, N Badi
    Handbook of Zirconia-Based Materials, 154-175 , 2025
    2025
  • Pseudocapacitive Behavior of (Fe, Cu) Based Co 3 O 4 as High-Performance Electrode Materials for Solid-State Stiff and Flexible Supercapacitors
    K Samatha, R Sagar
    ENERGY TECHNOLOGY 13 (11) , 2025
    2025
    Citations: 1
  • Comprehensive study on the adsorption properties of cobalt and nickel substituted Fe3O4 towards arsenic remediation
    R Sagar
    Inorganic Chemistry Communications, 115279 , 2025
    2025
  • Enhanced power density in solid oxide fuel cells using nickel-assisted gadolinium-doped ceria anodes
    N Badi, AS Roy, R Sagar, SA Alghamdi, AM Alsharari, A Ignatiev
    PLoS One 20 (6), e0326559 , 2025
    2025
  • Hibiscus leaf petiole derived activated carbon as a potential sorbent for basic green 4 and reactive yellow 15 dye exclusion from aqueous solution
    AA Kamath, NG Nayak, R Sagar, AK Kamath
    Inorganic Chemistry Communications 168, 112903 , 2024
    2024
    Citations: 6
  • Electrical and electrochemical characterization of FeCo 2 O 4 nanoflakes for flexible supercapacitor applications
    K Samatha, R Sagar
    Bulletin of Materials Science 47 (3), 163 , 2024
    2024
    Citations: 9
  • Prelithiation of electrodes in lithium-ion capacitors: A review
    AS D’Silva, MP Eldho, K Lekha, J Anushree, VS Bhat, R Sagar
    Mechanical Engineering Advances 2 (2), 1223-1223 , 2024
    2024
  • RF sputtered metal oxide layers as ARCs to improve photovoltaic performance of commercial monocrystalline solar cell
    R Sagar, A Rao
    Optical Materials 150, 115276 , 2024
    2024
    Citations: 8
  • High specific capacitance and NTC behavior of substituted cobalt oxide spinels for electrochemical supercapacitor and thermistor applications
    K Samatha, R Sagar
    Inorganic Chemistry Communications 160, 112017 , 2024
    2024
    Citations: 4
  • A review on Co 3 O 4 nanostructures as the electrodes of supercapacitors
    S Kelathaya, R Sagar
    Mechanical Engineering Advances 2 (1), 111-111 , 2024
    2024
    Citations: 6
  • CoMn2O4 and Cu0. 5Co0. 5Mn2O4 spinels as efficient protective coating layers on SUS430 for SOFC interconnect
    N Acharya, R Sagar
    Ceramics international 49 (17), 29164-29173 , 2023
    2023
    Citations: 20
  • Microstructure, spectral and frequency dependent electrical studies of Ni-and Zn-substituted Co 3 O 4 spinels for capacitor applications
    K Samatha, R Sagar
    Bulletin of Materials Science 46 (1), 49 , 2023
    2023
    Citations: 6
  • Highly dense Mn3O4 and CuMn2O4 spinels as efficient protective coatings on solid oxide fuel cell interconnect and their chromium diffusion studies
    N Acharya, U Chaitra, H Vijeth, R Sagar
    Journal of Alloys and Compounds 918, 165377 , 2022
    2022
    Citations: 31
  • Electrical and electrochemical properties of nanostructured Ni and Zn substituted Co3O4 spinels for thermistors and supercapacitor applications
    K Samatha, H Vijeth
    Journal of Energy Storage 52, 104871 , 2022
    2022
    Citations: 28
  • Coconut flower sheath derived activated charcoal as efficient and cost effective adsorbent for crystal violet dye removal
    AA Kamath, NG Nayak, R Sagar
    Inorganic Chemistry Communications 134, 109077 , 2021
    2021
    Citations: 23
  • Structure and electrical properties characterization of NiMn2O4 NTC ceramics
    N Acharya, R Sagar
    Inorganic Chemistry Communications 132, 108856 , 2021
    2021
    Citations: 41
  • Growth, characterization and SHG studies of Cu (II) doped manganese sulfate monohydrate crystals
    R Sagar, A Rao, C Prathap
    Optical and Quantum Electronics 53 (9), 519 , 2021
    2021
    Citations: 5

MOST CITED SCHOLAR PUBLICATIONS

  • Complex impedance and modulus studies of cerium doped barium zirconium titanate solid solution
    R Sagar, RL Raibagkar
    Journal of alloys and compounds 549, 206-212 , 2013
    2013
    Citations: 55
  • Nanoscale TiO2 and Ta2O5 as efficient antireflection coatings on commercial monocrystalline silicon solar cell
    R Sagar, A Rao
    Journal of Alloys and Compounds 862, 158464 , 2021
    2021
    Citations: 42
  • Structure and electrical properties characterization of NiMn2O4 NTC ceramics
    N Acharya, R Sagar
    Inorganic Chemistry Communications 132, 108856 , 2021
    2021
    Citations: 41
  • Increasing the silicon solar cell efficiency with transition metal oxide nano-thin films as anti-reflection coatings
    R Sagar, A Rao
    Materials Research Express 7, 016433 , 2020
    2020
    Citations: 38
  • Electrical properties and microwave dielectric behavior of holmium substituted barium zirconium titanate ceramics
    R Sagar, P Hudge, S Madolappa, AC Kumbharkhane, RL Raibagkar
    Journal of alloys and compounds 537, 197-202 , 2012
    2012
    Citations: 38
  • Synthesis, structure and electrical studies of praseodymium doped barium zirconium titanate
    R Sagar, S Madolappa, N Sharanappa, RL Raibagkar
    Materials Chemistry and Physics 140 (1), 119-125 , 2013
    2013
    Citations: 32
  • Highly dense Mn3O4 and CuMn2O4 spinels as efficient protective coatings on solid oxide fuel cell interconnect and their chromium diffusion studies
    N Acharya, U Chaitra, H Vijeth, R Sagar
    Journal of Alloys and Compounds 918, 165377 , 2022
    2022
    Citations: 31
  • Electrical and electrochemical properties of nanostructured Ni and Zn substituted Co3O4 spinels for thermistors and supercapacitor applications
    K Samatha, H Vijeth
    Journal of Energy Storage 52, 104871 , 2022
    2022
    Citations: 28
  • Electrical, dielectric and pyroelectric behavior of neodymium substituted barium zirconium titanate
    R Sagar, S Madolappa, RL Raibagkar
    Solid state sciences 14 (2), 211-215 , 2012
    2012
    Citations: 25
  • Coconut flower sheath derived activated charcoal as efficient and cost effective adsorbent for crystal violet dye removal
    AA Kamath, NG Nayak, R Sagar
    Inorganic Chemistry Communications 134, 109077 , 2021
    2021
    Citations: 23
  • CoMn2O4 and Cu0. 5Co0. 5Mn2O4 spinels as efficient protective coating layers on SUS430 for SOFC interconnect
    N Acharya, R Sagar
    Ceramics international 49 (17), 29164-29173 , 2023
    2023
    Citations: 20
  • Comparative study on structure, dielectric and electrical properties of cobalt-and zinc-substituted Mn3O4 spinels
    N Acharya, R Sagar
    Applied Physics. A, Materials Science & Processing 126 (7), 515 , 2020
    2020
    Citations: 19
  • Antimicrobial activity of silver nanoparticles synthesized by Streptomyces species JF714876
    GM Vidyasagar, B Shankaravva, R Sagar, RL Raibagkar
    International Journal of Pharmaceutical Sciences and Nanotechnology (IJPSN … , 2012
    2012
    Citations: 17
  • Structural and electrical studies of nanocrystalline Mn3O4
    R Sagar
    Ferroelectrics Letters Section , 2018
    2018
    Citations: 16
  • NTCR behavior of Sm-substituted barium zirconium titanate nanocrystalline solid solution
    R Sagar, S Madolappa, RL Raibagkar
    Solid state communications 151 (24), 1949-1952 , 2011
    2011
    Citations: 13
  • Structural and electrical studies of Ni- and Co-substituted Mn 3 O 4
    R Sagar, AS Gandhi
    Applied Physics A 127 (2), 84 , 2021
    2021
    Citations: 11
  • Dielectric and Impedance Studies of Ce-Doped Ba(Zr 0.52 Ti 0.48 )O 3
    R Sagar, S Madolappa, RL Raibagkar
    Integrated Ferroelectrics 130 (1), 21-26 , 2011
    2011
    Citations: 10
  • Electrical and electrochemical characterization of FeCo 2 O 4 nanoflakes for flexible supercapacitor applications
    K Samatha, R Sagar
    Bulletin of Materials Science 47 (3), 163 , 2024
    2024
    Citations: 9
  • Surface modification of silicon solar cell using TiO2 and Ta2O5: fabrication and characterization
    R Sagar, A Rao
    Applied Physics A 125 (859), 1-8 , 2019
    2019
    Citations: 9
  • RF sputtered metal oxide layers as ARCs to improve photovoltaic performance of commercial monocrystalline solar cell
    R Sagar, A Rao
    Optical Materials 150, 115276 , 2024
    2024
    Citations: 8