Tailoring La doping concentration for superior ferroelectric and energy
Download Citation | On Dec 1, 2024, Yoonho Ahn and others published Tailoring La doping concentration for superior ferroelectric and energy storage performance in Bi2WO6 thin films |
Ultra-high energy storage density and enhanced
The lead-based thin film capacitors such as Pb (Zr 1-x Ti x)O 3 (PZT) have been widely researched in the past fifty years. However, toxicity of lead limits their integration in
Ultra-thin multilayer films for enhanced energy storage performance
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Ultrahigh dielectric permittivity in Hf0.5Zr0.5O2 thin-film
Despite the high energy storage densities (133–152 J/cm3) and efficiencies (75–90%) that have been realized using relaxor ferroelectric thick films, low-permittivity
Lead-free relaxor-ferroelectric thin films for energy harvesting from
Our research findings suggest that these lead-free relaxor-ferroelectric heterostructures might be the potential candidates to harvest electrical energy from waste low
The effects of oxygen vacancies on ferroelectric phase transition
The newly discovered hafnium oxide (HfO2)-based ferroelectric film shows many advantages over the traditional perovskite films in the application of information storage.
MgZrO3-Doped BNT-Based Ferroelectric Thin Films Achieve Superior Energy
Among typical ferroelectric materials, Bi0.5Na0.5TiO3 (BNT) has attracted significant research attention owing to its high intrinsic polarization and polymorphic phase
High energy storage performance in BTO-based ferroelectric films
Much research has focused on enhancing dielectric breakdown strength to achieve better energy storage performance; however, this increases the potential for heat
Interface engineering in ferroelectrics: From films to bulks
To explore novel properties with avoiding deleterious effects for oxide epitaxial thin films, which are applied in nanoscale microelectronic devices such as non-volatile
Enhanced Energy Storage Properties of Highly Polarized BMT-Based Thin
For solving the trade-off relationship of the polarization and breakdown electric field, ferroelectric films with high polarization are playing a critical role in energy storage
Dielectric studies, ferroelectric behaviour and electronic transport
Fabrication of nanocomposite films having good dielectric and ferroelectric properties are important for energy harvesting and storing, sensing devices and biomedical
Energy storage principle of ferroelectric thin films
Moreover,the energy storage properties of flexible ferroelectric thin films can be further fine-tuned by adjusting bending angles and defect dipole concentrations,offering a versatile platform for
Dielectric Ceramics and Films for Electrical Energy Storage
This chapter presents a timely overall summary on the state‐of‐the‐art progress on electrical energy‐storage performance of inorganic dielectrics. It should be noted that, compared with
Principle of ferroelectric energy storage film
Moreover, the energy storage properties of flexible ferroelectric thin films can be further fine-tuned by adjusting bending angles and defect dipole concentrations, offering a versatile platform for
Principle of ferroelectric energy storage film
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6 FAQs about [Energy storage principle of ferroelectric thin films]
Are flexible ferroelectric films suitable for energy storage and electrocaloric refrigeration?
Flexible ferroelectric films with high polarization hold great promise for energy storage and electrocaloric (EC) refrigeration. Herein, we fabricate a lead-free Mn-modified 0.75 Bi (Mg 0.5 Ti 0.5 )O 3 –0.25 BaTiO 3 (BMT–BTO) thin film based on a flexible mica substrate.
How can flexible ferroelectric thin films improve energy storage properties?
Moreover, the energy storage properties of flexible ferroelectric thin films can be further fine-tuned by adjusting bending angles and defect dipole concentrations, offering a versatile platform for control and performance optimization.
What is the energy storage density of ferroelectric film?
Meanwhile, a good energy storage density of ∼70.6 J cm –3 and a quite high efficiency of ∼82% are realized in the same ferroelectric film, accompanied by excellent stability of frequency and electric fatigue (500–10 kHz and 10 8 cycles). Furthermore, there is no apparent variation in performance under different bending strains.
Are ferroelectric thin-film capacitors flexible?
Advances in flexible electronics are driving the development of ferroelectric thin-film capacitors toward flexibility and high energy storage performance.
What are the characteristics of ferroelectric thin films?
Ferroelectric thin films exhibit tensile strain, strain gradient, and defect dipole states. b) The double-well potential of Landau free energy with the strain (defect)-free state (blue curve) and with strain and strain gradient engineering as well as defect engineering (red curve).
What is the recoverable energy storage density of PZT ferroelectric films?
Through the integration of mechanical bending design and defect dipole engineering, the recoverable energy storage density of freestanding PbZr 0.52 Ti 0.48 O 3 (PZT) ferroelectric films has been significantly enhanced to 349.6 J cm −3 compared to 99.7 J cm −3 in the strain (defect) -free state, achieving an increase of ≈251%.