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, Atomic Force Microscopy (AFM).
Synthesis Techniques:
Sol-gel, Hydrothermal, Microwave, Electrospinning, RF Sputtering, and Spin-coating
COMPLETED PROJECTS:
-
Thin film fabrication of Ba0.75Sr0.25TiO3 lead-free perovskites using RF sputtering.
-
Piezo-photocatalysis of NBT-based nanofibers grown using Electrospinning: An experimental and theoretical approach using first principle calculations.
-
Crossover from a small polaron to large polaron hopping at depolarization temperature of BCZT-modified NBT ceramics.
-
Understanding the depolarization temperature of Ba0.85Ca0.15Ti0.90Zr0.10O3 modified Na0.5Bi0.5TiO3 lead-free ceramics.
-
Investigating the effect of electric field on Ba0.85Ca0.15Ti0.90Zr0.10O3 modified Na0.5Bi0.5TiO3 lead-free ceramics.
-
Influence of electric field on transport properties of BCZT-modified NBT ceramics.
-
Investigating the electrocaloric effect in the Na0.47Bi0.47Ca0.06-xBaxTiO3 lead-free ceramics.
-
Effect of poling on the Structure, Vibrational, and Electrical properties of Na0.47Bi0.47Ca0.06-xBaxTiO3 lead-free ceramics.
-
Room Temperature Magneto-Dielectric Coupling in the CaMnO3 modified NBT lead-free ceramics.
-
Effect of Mn doping on the Structural, Optical, and Vibrational properties of ZnTiO3.
-
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.
-
Structure Correlated Vibrational, Optical, and Electrical Properties of Fe doped Na0.47Bi0.47Ba0.06Ti0.98-xV0.02FexO3.