Assistant Professor
Department of Physics
Structure property correlation of piezoelectrics and multiferroics,Strain engineering and domain studies of functional oxides,Rietveld method and pulsed laser deposition,Investigation of wide band gap oxides for optoelectronics,High temperature gas sensing materials
Structure property correlation of piezoelectrics and multiferroics,Strain engineering and domain studies of functional oxides,Rietveld method and pulsed laser deposition,Investigation of wide band gap oxides for optoelectronics,High temperature gas sensing materials
Ph.D., Materials Science and Metallurgical Engineering, Indian Institute of Technology Hyderabad, Hyderabad, Telangana, India
M.Tech., Materials Engineering, University of Hyderabad, Hyderabad, Telangana, India (2011). M.Sc (Physics), Osmania University Hyderabad, Telangana, India (2009)
B.Sc., (Mathematics, Physics and Chemistry), Sri Krishnadevaraya University, Kurnool, Andhra Pradesh, India
Assistant Professor (Physics) at SR University, Anantsagar, Hasanparthy (M), Warangal Urban, Telangana -506371 , from 2021-02-15 to Till Date.
JRF(Adhoc) at Department of Materials Science and Metallurgical Engineering, Indian Institute of Technology Hyderabad, India, from 2020-03-01 to 2020-08-01.
Postdoctoral Fellow at Center for Advanced Materials Research, Dept. of Mechanical Engineering, University of Texas at El Paso, USA, from 2018-03-01 to 2019-11-21.
B Mallesham, C V Ramana, Sintering temperature induced structural phase transitions in BaFe0.7Ta0.7)O3- ceramic - A rietveld study, Physica B: Condensed Matter, 663, 414992 (2023)
B. Mallesham, R. Ranjith and M. Manivelraja, “Scandium induced structural transformations and B' : B" cation ordering in Pb(Fe0.5Nb0.5)O3 multiferroic ceramics” Journal of Applied Physics, 116, 034104 (2014). Impact Factor - 2.55
B. Mallesham, B. Viswanath and R. Ranjith, “Effect of Crystal Structure and Cationic Order on Phonon Modes across Ferroelectric Phase Transformation in Pb(Fe0.5-xScxNb0.5)O3 Bulk Ceramics” AIP ADVANCES, 6, 015116 (2016). Impact Factor - 1.58
B. Mallesham and R. Ranjith, “Investigations on Dielectric phase transition behavior of Pb(Fe0.5-xScx)Nb0.5O3 Multiferroic Ceramics” MRS Advances, 1, 585 (2016).
K. Prabahar, R. Ranjith, A. Srinivas, S. V. Kamat, B. Mallesham, V. L. Niranjani, J. Paul Praveen, Dibakar Das, “Effect of deposition temperature on the microstructure, ferroelectric and mechanical properties of lead free BCZT ceramic thin films” Ceramics International, 43, 5356 (2017). Impact Factor – 4.53
Davinder Singh, B Mallesham, Akshay Deshinge, Kunal Joshi, R Ranjith, Viswanath Balakrishnan, "Nanomechanical behavior of Pb(Fe0.5-xScxNb0.5)O3 multiferroic ceramic" Materials Research Express, 5, 116303 (2018). Impact Factor - 1.91
Swadipta Roy, B. Mallesham, Vishal B. Zade, Abraham Martinez, V. Shuttahanandan, S. Thevuthasan and C.V. Ramana, “Correlation between Structure, Chemistry, and Dielectric Properties of Iron-Doped Gallium Oxide (Ga2–xFexO3), Journal of Physical Chemistry C, 122, 27597?27607 (2018). Impact Factor - 4.13
Zade. V.*; B. Mallesham.*; Sanjay S. K.; Bronson. A.; Ramana C. V., “Interplay between Solubility Limit, Structure, and Optical Properties of Tungsten-Doped Ga2O3 Compounds Synthesized by a Two-Step Calcination Process”, Inorganic chemistry, 58, 3707?3716 (2019) [* equal contribution] [selected for cover page] Impact Factor – 5.17
Zade. V.; B. Mallesham; Roy. S.; Shutthanandan.V.; Ramana. C. V., Electronic Structure of Tungsten-Doped ?-Ga2O3 Compounds, ECS J. Solid State Sci. Technol, 8 (7) Q3111-Q3115 (2019). Impact Factor - 2.14
B. Mallesham, Swadipta Roy, V. Shutthanandan and C.V. Ramana, “Crystal chemistry, Band Gap Red Shift, Electrocatalytic Activity of Iron Doped Gallium Oxide Ceramics” ACS Omega 5, 104?112 (2020) [selected for cover page]. Impact Factor – 3.5
B. Mallesham, Zade. V, Roy. S, Nair. A. N., Sreeprasad S, Shutthanandan. V and C.V. Ramana “Effect of Ti Induced Chemical Inhomogeneity on Crystal Structure, Electronic Structure and Optical Properties of Wide Band Gap Ga2O3” Crystal Growth & Design 20, 03, 1422-1433 (2020). Impact Factor - 4.1
B. Mallesham, Vishal Zade, Aldo Rubio, Susheng Tan, Rahul Panat and C. V. Ramana “Unravelling the Sintering Temperature Induced Phase Transformations in Ba(Fe0.7Ta0.3)O3-Ceramics” Ceramic International 46, 23257-23261 (2020). Impact Factor – 4.53
C.V. Ramana, B. Mallesham, Swadipta Roy, Aruna Nair, Sreeprasad S and Shutthanandan. V “Electronic Structure, Chemical Bonding and Electrocatalytic Activity of Novel Ba(Fe0.7Ta0.3)O3-? Compounds” ACS Applied Energy Materials, 4, 1313-1322 (2021), Impact Factor – 6.02
Crystal Chemistry and Phase Stability of Ba(Fe0.7Ta0.3)O3-? Compounds: A Combined Experimental and Rietveld Refinement Analysis” (To be submitted)
“Ludo-Frevel Crystallographic Scholarship Award 2016” being given by ICDD [only one Indian among the 10 awardees around the world for the year 2016]
Structural refinement data of Pb(Fe0.5-xScxNb0.5)O3 ( 0 ? x ? 0.5) solid solutions has been reviewed and accepted by ICDD to include in powder diffraction data base. [ICDD#: I04212(x=0), I04213(x=0.1), I04214(x=0.15), I04215(x=0.2), I0421
“Research Excellence Award” for academic year 2014 from Indian Institute of Technology Hyderabad
Best Paper Award for Oral presentation in International Symposium for Research Scholars (ISRS-2010, December 20-22, held at IIT-Madras, India). [Title of the Paper: Synthesis and Characterization of Pb(Mg1/3Nb2/3)O3-PbTiO3 based Relaxor F