Impedance spectroscopy, ferroelectric and ferromagnetic properties of 60Bi2O3–10SrO–30Fe2O3 glass-ceramic nano-composites for energy storage applications

Ali, A.M.; Hannora, Ahmed E.; Wally, N.K.; El Refaay, D.E.; El-Desoky, M.M.

doi:10.1016/j.ceramint.2024.02.238

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.02.238

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Impedance spectroscopy, ferroelectric and ferromagnetic properties of 60Bi2O3–10SrO–30Fe2O3 glass-ceramic nano-composites for energy storage applications

A.M. Ali,

Ahmed E. Hannora,

N.K. Wally

et al.

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Cited by 3 publications

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Influence of titanium redox states on luminescence and conductivity in TiO2 -doped borophosphate glass system

Ingle,

Raghuvanshi

et al. 2025

Journal of Non-Crystalline Solids

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Influence of titanium redox states on luminescence and conductivity in TiO2 -doped borophosphate glass system

Ingle,

Raghuvanshi

et al. 2025

Journal of Non-Crystalline Solids

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Progress and outlook of ferroelectric/non-ferroelectric polar glass-ceramics for multi-catalytic applications

Porwal,

Singh,

Sharma

et al. 2025

Progress in Solid State Chemistry

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Comparative analysis of bulk ceramics and thick film coatings for optimized energy storage technologies

Khan,

Habib,

Maqbool

et al. 2024

Sci Rep

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The present investigation provides an easy and affordable strategy for fabrication of functional ceramics Bi 0.5 Na 0.5 TiO 3 -SrFe 12 O 19 (BNT-SrF5) thick films on a flexible, inexpensive and electrically integrated substrate using electrophoretic deposition process (EPD). EPD is a widely accepted, environmentally friendly method for applying coatings from a colloidal suspension to conductive substrates. Lead-free ferroelectric BNT-SrF5 powder was synthesized by solid state method to fabricate bulk samples and thick films (30–160 μm) by EPD process. Thick films were deposited onto nickel substrate by applying EPD parameters, i.e. voltage (225–290 V) and coating time (30–180 s) to acetone based colloidal suspension without aid of any dispersing agent. In a comparative analysis, both thick films and bulk ceramics revealed significant densification with sintering temperature from 1025 to 1150 °C. Fourier transform Infrared (FTIR) and X-ray diffraction (XRD) analysis revealed presence of distorted perovskite structure following calcination and sintering processes. Scanning electron microscopy (SEM) provided the surface morphologies of BNT-SrF5 powder. The dielectric constant of film sample revealed more thermal stable response compared to the bulk ceramics. Impedance spectroscopy explained the electrically active regions and hopping conduction mechanism which witnessed NTCR behavior. The potential applications for the miniaturization of electronics are sensors, actuators and energy harvesting devices.

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Impedance spectroscopy, ferroelectric and ferromagnetic properties of 60Bi2O3–10SrO–30Fe2O3 glass-ceramic nano-composites for energy storage applications

Cited by 3 publications

References 38 publications

Influence of titanium redox states on luminescence and conductivity in TiO2 -doped borophosphate glass system

Influence of titanium redox states on luminescence and conductivity in TiO2 -doped borophosphate glass system

Progress and outlook of ferroelectric/non-ferroelectric polar glass-ceramics for multi-catalytic applications

Comparative analysis of bulk ceramics and thick film coatings for optimized energy storage technologies

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