
Research Interest
⮚ Perovskites ⮚ Ferroelectrics
⮚ Dielectrics ⮚ Impedance/Modulus spectroscopy
⮚ Energy Storage ⮚ Piezoelectric properties
⮚ Electrocaloric effect ⮚ Multiferroic properties
⮚Magneto-Dielectric ⮚Defect states study
⮚ Piezoelectric energy harvester ⮚ Device fabrication using Thin-film Technology ⮚ Piezo-photocatalysis
Experimental Condensed Matter Physics:
● Synthesis of Chemically Modified Sodium Bismuth Titanate (NBT), Barium Titanate (BT), and Copper Oxide (CuO).
● Structure-Property Correlation
● Temperature-dependent Dielectric and Ferroelectric Properties and Raman Spectroscopy
● Room Temperature Multiferroic Properties
● Magneto-Dielectric Properties
● Electrocaloric Effect
● Effect of variance of Ionic Size and Valence State on Optical and Electrical Properties
● Effect of electric and magnetic field on structure and properties
Characterization Techniques:
X-Ray Diffraction (XRD), Field Emission Scanning Electron Microscope (FESEM), Energy Dispersive X-ray Spectroscopy (EDX), X-Ray Photoluminescence Spectroscopy (XPS), Raman Spectroscopy, UV-Vis measurement, PE-loop tracer, Dielectric Measurement, AC Conductivity, Complex Impedance Spectroscopy
Synthesis Techniques:
Sol-gel, Hydrothermal, Microwave, Electrospinning
COMPLETED PROJECTS:
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Investigating the electrocaloric effect in the Na0.47Bi0.47Ca0.06-xBaxTiO3 lead-free ceramics.
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Effect of poling on the Structure, Vibrational, and Electrical properties of Na0.47Bi0.47Ca0.06-xBaxTiO3 lead-free ceramics.
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Room Temperature Magneto-Dielectric Coupling in the CaMnO3 modified NBT lead-free ceramics.
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Effect of Mn doping on the Structural, Optical, and Vibrational properties of ZnTiO3.
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Theoretical and experimental insight on defect dipole induced improved electrocaloric response in Fe and Mn modified Na0.47Bi0.47Ba0.06Ti0.98-xV0.02O3 lead-free ceramics.
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Structure Correlated Vibrational, Optical, and Electrical Properties of Fe doped Na0.47Bi0.47Ba0.06Ti0.98-xV0.02FexO3.
ONGOING PROJECTS:
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Piezo-photocatalysis and Pyro-photocatalysis of NBT based nanofibers grown using Electrospinning
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Magneto-Dielectric Coupling in NBT-BMO solid solution.