Year : 2023
Enhanced responsivity of Zr-doped BiFeO3 based self-powered UV-visible heterojunction photodetector fabricated via spray pyrolysis technique
Cite this Research Publication : A. Kathirvel, A. Uma Maheswari, and Sivakumar, M., 2023. Enhanced responsivity of Zr-doped BiFeO3 based self-powered UV-visible heterojunction photodetector fabricated via spray pyrolysis technique. Applied Surface Science, p.156640, 2023
Publisher : Applied Surface Science
Year : 2022
Highly sensitive and wavelength-tunable solution-processed BiFeO3 heterojunction based fast-response self-powered white-light photodetector
Cite this Research Publication : Kathirvel, A., Maheswari, A.U. and Sivakumar, M., 2022. Highly sensitive and wavelength-tunable solution-processed BiFeO3 heterojunction based fast-response self-powered white-light photodetector. Thin Solid Films, 761, p.139534, 2022
Publisher : Thin Solid Films
Year : 2022
Enhanced magnetic, dielectric and photoconductive properties of Zr doped BiFeO3 nanostructures
Cite this Research Publication : Kathirvel, A., Krishna, K.I., Ganga, R., Maheswari, A.U. and Sivakumar, M., 2022. Enhanced magnetic, dielectric and photoconductive properties of Zr doped BiFeO3 nanostructures. Physica E: Low-dimensional Systems and Nanostructures, 142, p.115306, 2022
Publisher : Physica E: Low-dimensional Systems and Nanostructures
Year : 2021
Titanium doped V2O5 nanostructures by chemical synthesis for photocatalytic performance enhancement
Cite this Research Publication : Neelima, M., Vandana, S., Kathirvel, A., Sivakumar, M. and Maheswari, A.U., 2021. Titanium doped V2O5 nanostructures by chemical synthesis for photocatalytic performance enhancement. Optik, p.168516, 2021
Publisher : Optik
Year : 2021
Influence of annealing atmosphere for controlling oxygen vacancies of PVP-capped TiO 2 nanoparticles
Cite this Research Publication : Srilakshmi, P., Sivakumar, M., Kathirvel, A. and Maheswari, A.U., 2021. Influence of annealing atmosphere for controlling oxygen vacancies of PVP-capped TiO 2 nanoparticles. Journal of Nanoparticle Research, 23, pp.1-14, 2021
Publisher : Journal of Nanoparticle Research
Year : 2021
BiFeO3-Thiourea/Carbon heterostructure based self-powered white light photodetector
Cite this Research Publication : Sudip Kumar Batabyal, A, U. Maheswari, Kathirvel, A., and M., S., “BiFeO3-Thiourea/Carbon heterostructure based self-powered white light photodetector”, Materials Letters, vol. Volume 284, Part 1, 2021.
Year : 2020
Influence of B-site doping on structural, optical and dielectric properties of bismuth ferrite
Cite this Research Publication : R. Anjitha, Kathirvel, A., Dr. Umamaheswari A., and Sivakumar, M., “Influence of B-site doping on structural, optical and dielectric properties of bismuth ferrite”, Materials Today: Proceedings, vol. 33, pp. 1293-1297, 2020.
Publisher : Materials Today: Proceedings
Year : 2020
Size Dependent Dielectric Properties of TiO2 Nanoparticles
Cite this Research Publication : K. K. Anjali, Dr. Umamaheswari A., and Sivakumar, M., “Size Dependent Dielectric Properties of TiO2 Nanoparticles”, Material and Manufacturing Technology X, 2020.
Publisher : Material and Manufacturing Technology X, Trans Tech Publications Ltd
Year : 2019
Study of anticorrosive nature of spray coated titanium dioxide and nickel oxide composite thin films on stainless steel in briny surroundings
Publisher : AIP Conference Proceedings
Year : 2019
Tuning the optical bandgap of V2O5 nanoparticles by doping transition metal ions
Cite this Research Publication : P. Srilakshmi, Dr. Umamaheswari A., Sajeev, V., and Sivakumar, M., “Tuning the optical bandgap of V2O5 nanoparticles by doping transition metal ions”, Materials Today: Proceedings, vol. 18, pp. 1375-1379, 2019.
Publisher : Materials Today: Proceedings
Year : 2019
Influence of Annealing Temperature on the Optical Properties of TiO2Thin Films
Cite this Research Publication : K. N. Akhil, Dr. Umamaheswari A., and Sivakumar, M., “Influence of Annealing Temperature on the Optical Properties of TiO2Thin Films”, Materials Today: Proceedings, vol. 18, pp. 1416-1421, 2019.
Publisher : Materials Today: Proceedings
Year : 2019
Frequency dependent dielectric relaxation of Ba-doped BiFeO3 nanoparticles
Cite this Research Publication : S. Suresh, Kathirvel, A., Dr. Umamaheswari A., and Sivakumar, M., “Frequency dependent dielectric relaxation of Ba-doped BiFeO3 nanoparticles”, Materials Research Express, vol. 6, p. 115057, 2019.
Publisher : Materials Research Express, IOP Publishing
Year : 2019
Structure dependent dielectric response of spray coated nanostructured zirconia thin films
Cite this Research Publication : Sreedevi R Mohan, Uma Maheswari A., and M. Sivakumar, "Structure dependent dielectric response of spray coated nanostructured zirconia thin films," Material Research Express, Vol. 6, (2019), No.6.065038. DOI 10.1088/2053-1591/ab0a4c
Publisher : IOP Publishing Ltd.
Year : 2019
Optical absorption enhancement of PVP capped TiO 2 nanostructures in the visible region
Cite this Research Publication : Dr. Umamaheswari A., Anjali, K. K., and Sivakumar, M., “Optical absorption enhancement of PVP capped TiO 2 nanostructures in the visible region”, Solid State Ionics, vol. 337, pp. 33-41, 2019.
Publisher : Solid State Ionics
Year : 2018
Optical and Corrosion Studies of Spray Pyrolysis Coated Titanium Dioxide Thin Films
Cite this Research Publication :
M. V. P, Rani, A., Kumar, V. Senthil, Dr. Umamaheswari A., Manickam, S., and Kumar, S., “Optical and Corrosion Studies of Spray Pyrolysis Coated Titanium Dioxide Thin Films”, Advanced Science Letters, vol. 24, pp. 5836-5842, 2018.
Publisher : Advanced Science Letters
Year : 2017
Structural transformation of polymeric and cationic capped zirconia nanoparticles with temperature
Cite this Research Publication : Sreedevi R. Mohan, A. Uma Maheswari, M. Sivakumar, "Structural Transformation of Polymeric and Cationic Capped Zirconia Nanoparticles with Temperature," International Journal of Nanoparticles (IJNP), Volume 9, 2017, Pages 88-100.
Publisher : International Journal of Nanoparticles
Year : 2017
Investigation of anticorrosion properties of nanocomposites of spray coated zinc oxide and titanium dioxide thin films on stainless steel (304L SS) in saline environment
Cite this Research Publication : M. V. P, S, S. Kumar, Kumar, V. Senthil, Dr. Umamaheswari A., Dr. Sivakumar M., and Rani, A., “Investigation of anticorrosion properties of nanocomposites of spray coated zinc oxide and titanium dioxide thin films on stainless steel (304L SS) in saline environment”, Materials Research Express, vol. 5, 2017.
Publisher : Materials Research Express
Year : 2017
Effect of Surfactant and Mineralizer on the Dielectric Properties of Zirconia Nanocrsytals
Cite this Research Publication : Uma Maheswari, Sreedevi R. Mohan, M. Sivakumar, "Effect of Surfactant and Mineralizer on the Dielectric Properties of Zirconia Nanocrystals," Applied Surface Science, Volume 427, Part A, 1 January 2018, Pages 1174-1182. DOI: https://doi.org/10.1016/j.apsusc.2017.08.147
Year : 2016
A Simple Chemical Precipitation Method of Titanium Dioxide Nanoparticles Using Polyvinyl Pyrrolidone as a Capping Agent and Their Characterization
Cite this Research Publication : World Academy of Science, Engineering and Technology, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering, vol. 10, pp. 552–555, 2016.
Publisher : World Academy of Science, Engineering and Technology, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering.
Year : 2016
Corrosion Resistance of 304L SS Spray Coated with Zirconia Nanoparticles
Cite this Research Publication : Dr. Umamaheswari A., Sivakumar, M., Indhumathi, N., and Mohan, S. R., “Corrosion Resistance of 304L SS Spray Coated with Zirconia Nanoparticles”, IOP Conference Series: Materials Science and Engineering, vol. 149, p. 012068, 2016.
Publisher : IOP Conference Series: Materials Science and Engineering.
Year : 2015
Tweaking Electrical and Dielectric Properties of Nickel Oxide Nanocrystals by Varying the Surfactant
Cite this Research Publication : Uma Maheswari, Sreedevi R. Mohan, M. Sivakumar, S. Saravana Kumar. Tweaking Electrical and Dielectric Properties of Nickel Oxide Nanocrystals by Varying the Surfactant. Journal of Nanoscience and Nanotechnology. Volume 15, 2015, Pages 9423–9430.
Year : 2014
Phase tuning of zirconia nanocrystals by varying the surfactant and alkaline mineralizer
Cite this Research Publication : Uma Maheswari, Sreedevi R Mohan, S. Saravana Kumar, M. Sivakumar, "Phase Tuning of Zirconia Nanocrystals by Varying the surfactant and Alkaline Mineralizer," Ceramics International, Volume 40, Issue 5, June 2014, Pages 6561–6568.
Publisher : Ceramics International
Year : 2013
Influence of alkaline mineralizer type on the characteristics of ZrO2 Nanoparticles
Cite this Research Publication : Uma Maheswari, A., S. Saravana Kumar, M. Sivakumar, Influence of alkaline mineralizer type on the characteristics of ZrO2 Nanoparticles, Journal of Nanoscience and Nanotechnology, 13(6), 4409-4414, 2013, http://dx.doi.org/10.1166/jnn.2013.7150, IF: 1.354.
Publisher : Journal of Nanoscience and Nanotechnology
Year : 2013
Influence of Alkaline Mineralizer on Structural and Optical Properties of ZrO2 Nanoparticles
Cite this Research Publication : Dr. Umamaheswari A., S Kumar, S., and Dr. Sivakumar M., “Influence of Alkaline Mineralizer on Structural and Optical Properties of ZrO2 Nanoparticles”, Journal of nanoscience and nanotechnology, vol. 13, pp. 4409-14, 2013.
Publisher : Journal of nanoscience and nanotechnology
Year : 2012
Study on vacancy related defects of CdS nanoparticles by heat treatment
Cite this Research Publication :
N. S. Roshima, Kumar, S. S., A.U, D. Umamaheswa, and Dr. Sivakumar M., “Study on vacancy related defects of CdS nanoparticles by heat treatment”, Journal of Nano Research, vol. 18-19, pp. 53-61, 2012.
Publisher : Journal of Nano Research
Year : 2011
Study of resonances and absorption in one dimensional quantal scattering
Cite this Research Publication : Dr. Umamaheswari A., “Study of resonances and absorption in one dimensional quantal scattering”, 2011.
Year : 2010
Resonant states and transmission coefficient oscillations for potential wells and barriers
Cite this Research Publication : Dr. Umamaheswari A., Prema, P., and Shastry, C. S., “Resonant states and transmission coefficient oscillations for potential wells and barriers”, American Journal of Physics, vol. 78, pp. 412–417, 2010.
Publisher : American Journal of Physics, AAPT,
Year : 2009
Quasi-bound states, resonance tunnelling, and tunnelling times generated by twin symmetric barriers
Cite this Research Publication : Dr. Umamaheswari A., Prema, P., Dr. Mahadevan S., and Shastry, C. S., “Quasi-bound states, resonance tunnelling, and tunnelling times generated by twin symmetric barriers”, Pramana, vol. 73, p. 969, 2009.
Publisher : Pramana
Year : 2007
Transmission and scattering by an absorptive potential
Cite this Research Publication : Dr. Umamaheswari A., Dr. Mahadevan S., Prema, Pa, Shastry, C. Sa, and Agarwalla, S. Kb, “Transmission and scattering by an absorptive potential”, American Journal of Physics, vol. 75, pp. 245-253, 2007.
Publisher : American Journal of Physics
Year : 2006
Quantum mechanical transmission with absorption
Cite this Research Publication : Dr. Mahadevan S., Dr. Umamaheswari A., Prema, P., Shastry, C. S., and , “Quantum mechanical transmission with absorption”, Phys. Educ, vol. 23, pp. 13–21, 2006.
Publisher : Phys. Educ