- Ferroelectric and Piezoelectric Materials
- Multiferroics and related materials
- Magnetic and transport properties of perovskites and related materials
- Dielectric materials and actuators
- Acoustic Wave Resonator Technologies
- High voltage insulation and dielectric phenomena
- Advanced Memory and Neural Computing
- Organic Electronics and Photovoltaics
- Advanced Sensor and Energy Harvesting Materials
- Microwave Dielectric Ceramics Synthesis
- Thin-Film Transistor Technologies
- Semiconductor materials and devices
- Organic Light-Emitting Diodes Research
- Material Selection and Properties
- Ferroelectric and Negative Capacitance Devices
Banaras Hindu University
2021-2023
Indian Institute of Technology BHU
2021-2023
PVDF is a highly explored polymer dielectric material with α-phase as paraelectric and β, γ δ-phases ferroelectric phases. We have investigated its nanocomposite (PVDF/Hydroxylated-CeO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> ) using hydroxylated CeO nanoparticles (Hy-CeO -NPs) filler for energy storage applications. The chosen -NPs are semiconducting sizes in the range of 15-20 nm. Pure thick films were synthesized by solution...
With employing judicious chemical modifications, two new isovalently substituted lead-free binary solid-solutions of 0.67BiFe <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0.97-x</inf> Ga xmlns:xlink="http://www.w3.org/1999/xlink">0.03</inf> Sc xmlns:xlink="http://www.w3.org/1999/xlink">x</inf> O xmlns:xlink="http://www.w3.org/1999/xlink">3</inf> -0.33BaTiO and 0.67(Bi xmlns:xlink="http://www.w3.org/1999/xlink">1-x</inf> La...
The new high-temperature lead-free Sc, Ga modified polycrystalline binary composition of 0.67(Bi 1.05 Fe 0.97 0.03 O 3 )-0.33(BaTiO ) with 0.67(x wt.%) Sc piezoelectric perovskite ceramic solid solution was prepared utilizing air quenching and closed sintering along traditional state reaction methodology. pure phase is formed after the entirely diffuse into BiFeO -BaTiO matrix as confirmed by structural analysis through X-ray diffraction (XRD) data. This further using FTIR characterization...
This work presents a five-layered Organic Light Emitting Device (OLED) fabricated using the stacked configuration of LiF/Alq3/CBP-Ir (ppy) 3/α-NPD/F4-TCNQ by Vacuum Thermal Evaporation Technique. A Keithley 2400 source meter was used for I-V characterization, and Luminance (LMT L1009) L-V characterization. The characterization findings demonstrate that at low voltages about 10 volts, OLED emits neonish green light, which is correlated to type organic material as an emissive layer, however...
Lead Titanate PbTiO3, (PT) is technologically important ferroelectric and piezoelectric ceramics. To make the oxides PbO TiO2 are combined in a stoichiometric ratio. Solid-state reaction process was used to synthesize oxides. The calcination temperature 8500C. prepared sample has been characterized by XRD techniques with scanning rate of 6 degree per minutes. PbTiO3 shows crystalline nature, Tetragonal symmetry, as observed X –ray measurements. A electron microscope (SEM) examine surface...