The current study aims at the growth of multiferroic thin films using the pulsed laser deposition technique for energy storage capacitor applications. Under …
In this study, phase formation and the magnetic properties of bismuth ferrite–lead titanate multiferroic composites were investigated. Multiferroic composites consisting of antiferromagnetic bismuth ferrite (BiFeO3 or BF) and ferroelectric lead titanate (PbTiO3 or PT) were synthesized by the solid-state sintering method. The presence of …
The lattice parameter of BFO and BFMO thin film were determined and found to be a = b = 5.5666 Å, c = 13.8073 Å, a = b = 5.55625 Å, c = 13.75546 Å respectively. The lattice parameters of the BFMO thin films are found to be less than that of BFO thin films, the reason being smaller Mn (0.58 Å) ions replacing larger Fe (0.68 Å) ions in BFO ...
The substantial improvement in the recoverable energy storage density of freestanding PZT thin films, experiencing a 251% increase compared to the strain (defect)-free state, presents an effective and promising approach for ferroelectric devices demanding
It is demonstrated that giant energy densities of ~70 J cm−3, together with high efficiency as well as excellent cycling and thermal stability, can be achieved in lead-free bismuth ferrite-strontium titanate solid-solution films through domain engineering. Developing high-performance film dielectrics for capacitive energy storage has been a …
For spinel ferrite-based thin films, potential applications have been explored in information technology (magnetic sensing and data storage), the electronic industry (resistive switching devices, magnetization switching devices, and spintronic devices), and energy; ;
The dielectric breakdown strength (BDS) of 1% mole of La doping was 220 kV/cm, the maximum recoverable energy storage (W rec) was 2.35 J/cm 3, and the …
Here, the authors realised superior energy storage performance in lead-free bismuth ferrite-based relaxor ferroelectric films through domain engineering. It is …
The energy density of dielectric ceramic capacitors is limited by low breakdown fields. Here, by considering the anisotropy of electrostriction in perovskites, it is shown that <111> ...
Bismuth ferrite has a direct energy bandgap at RT [].The bandgap energy of whole thin films was calculated using Tauc''s equation [] (αhν) 2 = K(hν−E g), where K is a constant and hν is the photon energy.The curves of (αhν) 2 versus hν for BFO5, BFO10, BFO15, and BFO20 are illustrated in Fig. 4..
Multiferroic materials belong to the sub-group of ferroics possessing two or more ferroic orders in the same phase. Aizu first coined the term multiferroics in 1969. Of late, several multiferroic materials'' …
Its staple applications of ferrite compounds include energy [177], information storage [178], metallurgy [179 ... Bismuth ferrite based thin films were grown by RF magnetron sputtering under ...
Our theoretical study should help to clarify the origins of long-standing controversies in bismuth ferrite and improve the design ... 3 and BiCrO 3) thin films. Figure 5 encloses the energy ...
This method is used to deposit thin film and nanomaterial and is first described in 1863. It is simplest method that requires only solution containers and …
Vibration energy harvesters for piezoelectric MEMS were developed using bismuth ferrite (BiFeO 3) thin films. Charge density of BFO thin films were found to be 3.5C/m 2 which is lower than the conventional PZT ceramics also it was found that large piezoelectric voltage constant was obtained.
Multiferroic bismuth ferrite, BiFeO3, offers a vast landscape to study the interplay between ... J. et al. Direct evidence for the spin cycloid in strained nanoscale bismuth ferrite thin films. Nat.
In this study, BiFeO3 (BFO) thin films were doped with Ca, and the multiferroic, piezoelectric, and energy-storage properties of Bi1−xCaxFeO3−δ (x = 0.3, BCFO) thin films were compared with ...
areas of applications such as photovoltaics, photocatalysis, and electric energy storage [3] [4][5] were ... which has greatly limited the application of bismuth ferrate thin films in electron ...
BFO and BFMO thin films have been prepared by the sol-gel spin coating method. The lattice parameters of the BFMO thin films are lower than of the BFO thin films. The average crystallite size of BFO and BFMO is 25.51 nm, and 28.87 nm, respectively. The energy band gap value of BFO thin films is 2.42 eV and for BFMO is …
Enhanced dielectric properties of surface hydroxylated bismuth ferrite–Poly (vinylidene fluoride-co-hexafluoropropylene) composites for energy storage devices J. Sci. Adv. Mater. Devices, 1 ( 2016 ), pp. 461 - 467
PDF | On Jan 1, 2022, published Resistance Storage Properties on Epitaxial Bis-muth Ferrite Thin Films | Find, read and cite all the research you need on ResearchGate
A single-phase La-doped bismuth ferrite thin films are grown using a PLD with varying OPPs (15, 20, 25, and 30 SCCM). • An enhanced energy density of …
et al. demonstrated the fabrication of one-unit-cell thick freestanding bismuth ferrite films by ... Y. et al. Flexible quasi-two-dimensional CoFe 2 O 4 epitaxial thin films for continuous strain ...
BiFeO 3 (BFO) thin films were electrochemically deposited on pre-cleaned FTO substrates at −1.5 V vs Ag/AgCl 1 at room temperature for 15, 30, 45 and 60 min labelled as BFO15, BFO30, BFO45 and BFO60, respectively. The …
The ferroelectric and pyroelectric properties of bismuth ferrite (BFO) epitaxial thin film have been investigated. The ferroelectric epitaxial thin layer has been deposited on strontium titanate (STO) (001) …
Resistance Storage Properties on Epitaxial Bis-muth Ferrite Thin Films. Hans Journal of Nanotechnology. Vol. 12 No. 02 ( 2022 ), Article ID: 51805, 6 pages. 10.12677/NAT.2022.122008.
The ferroelectric and pyroelectric properties of bismuth ferrite (BFO) epitaxial thin film have been investigated. The ferroelectric epitaxial thin layer has been deposited on strontium titanate (STO) (001) substrate by pulsed laser deposition, in a capacitor geometry using as top and bottom electrode a conductive oxide of strontium …
Abstract. This chapter is mainly concerned with the synthesis methods known for preparing bismuth ferrites either in powders or in thin-films. The experimental techniques employed for their characterizations are thoroughly explored. The synthesis methods used for obtaining ferrites of different structures and morphologies including …
Bismuth Ferrite (BiFeO3, BFO), a standout among these materials, exhibits room-temperature ferroelectric and antiferromagnetic behaviour and magnetoelectric coupling.
Herein, the low cost (0.6 − x)BiFeO3–0.4SrTiO3–xBi(Zn0.5Zr0.5)O3 free-lead ceramics can be synthesized via the solid-state reaction methods. The samples have local compositional disorder and constructed small-sized polar nano-regions (PNRs), leading to maximum ΔP (the discrepancy between the maximum polarization (Pmax) and …
Researchers recently identified the optimal laser energy for crafting BFO/WO3 bilayer thin films for solar cells at 200 millijoules (mJ), by carefully considering factors such as leakage and band gap.
Here, the authors realised superior energy storage performance in lead-free bismuth ferrite-based relaxor ferroelectric films through domain engineering.