Results 21 to 30 of about 1,290 (187)

Optical Properties and Upconversion Luminescence of BaTiO3 Xerogel Structures Doped with Erbium and Ytterbium

open access: yesGels, 2022
Erbium upconversion (UC) photoluminescence (PL) from sol-gel derived barium titanate (BaTiO3:Er) xerogel structures fabricated on silicon, glass or fused silica substrates has been studied. Under continuous-wave excitation at 980 nm and nanosecond pulsed
Ekaterina I. Lashkovskaya   +13 more
doaj   +1 more source

Current Achievements in Flexible Piezoelectric Nanogenerators Based on Barium Titanate

open access: yesNanomaterials, 2023
Harvesting ambient mechanical energy at the nanometric scale holds great promise for powering small electronics and achieving self-powered electronic devices.
Olena Okhay, Alexander Tkach
doaj   +1 more source

Evaluation of Stereolithography-Based Additive Manufacturing Technology for BaTiO3 Ceramics at 465 nm

open access: yesApplied Sciences, 2022
A piezoceramic BaTiO3 material that is difficult for 3D printing was tested with a homemade laser-based stereolithography (SLA) setup. The high light absorbance of BaTiO3 in the spectral range of 350–410 nm makes this material hardly usable with most ...
Svyatoslav Chugunov   +5 more
doaj   +1 more source

On the Ferroelectric to Paraelectric Structural Transition of BaTiO3 Micro-/Nanoparticles and Their Epoxy Nanocomposites

open access: yesMolecules, 2020
BaTiO3 is one of the most widely used ceramic components in capacitor formulation due to its exceptional ferroelectric properties. The structural transition from the ferroelectric tetragonal to the paraelectric cubic phase has been studied in both nano ...
Georgia C. Manika   +2 more
doaj   +1 more source

Barium Titanium Oxynitride from Ammonia-Free Nitridation of Reduced BaTiO3

open access: yesInorganics, 2021
We investigated the nitridation of reduced BaTiO3, BaTiO2.60H0.08, corresponding to an oxyhydride with a large concentration of O defects (>10%). The material is readily nitrided under flowing N2 gas at temperatures between 400 and 450 °C to yield ...
Hua Guo   +5 more
doaj   +1 more source

Enhanced dielectric properties and energy storage of the sandwich-structured poly(vinylidene fluoride-co-hexafluoropropylene) composite films with functional BaTiO(3)@Al(2)O(3) nanofibres

open access: yesIET Nanodielectrics, 2019
Polymer-based composites with ceramic fillers could combine the advantages of both, which can be potentially used in electrical and electronic technology. In this work, the barium titanate (BaTiO(3)) nanofibres and the core–shell structured BaTiO(3)@Al(2)
Jun-Wei Zha   +4 more
doaj   +1 more source

Bio-Piezoelectric Ceramic Composites for Electroactive Implants—Biological Performance

open access: yesBiomimetics, 2023
Barium titanate (BaTiO3) piezoelectric ceramic may be a potential alternative for promoting osseointegration due to its piezoelectric properties similar to bone electric potentials generated in loading function.
Beatriz Ferreira Fernandes   +9 more
doaj   +1 more source

Upconversion Luminescence from Sol-Gel-Derived Erbium- and Ytterbium-Doped BaTiO3 Film Structures and the Target Form

open access: yesPhotonics, 2023
Sol-gel technology has attracted attention in the fabrication of diverse luminescent materials and thin film structures, with forms that range from powders to microcavities.
Nikolai V. Gaponenko   +17 more
doaj   +1 more source

Enhanced photocatalytic activity and cycle stability driven by ultrasonic vibration for ferroelectric photocatalysts

open access: yesIET Nanodielectrics, 2019
Ferroelectric materials have been applied in the photocatalytic field due to the internal electric field generated by the spontaneous polarisation. In this study, it is found that the ferroelectric BaTiO(3) catalysts exhibit the excellent photocatalytic ...
Xiaoshan Zhang   +8 more
doaj   +1 more source

The Effect of Sputtering Target Density on the Crystal and Electronic Structure of Epitaxial BaTiO3 Thin Films

open access: yesCrystals
Barium titanate (BaTiO3) is a promising material for silicon-integrated photonics due to its large electro-optical coefficients, low loss, high refractive index, and fast response speed.
Fugang Qi   +10 more
doaj   +1 more source

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