نتایج جستجو برای: batio3 nanoparticles
تعداد نتایج: 108756 فیلتر نتایج به سال:
Owing to their unique characteristics, multiferroic materials are expected be widely used in the next-generation multifunctional devices. In addition improving developing affordable fabrication processes for is highly demanded both industry and academia. this paper, we show a novel process named electric-assisted magnetophoretic deposition of nanotube array-based nanocomposite films. Magnetic n...
Abstract Barium titanate (BaTiO 3 ) nanoparticles (BTNPs) have been considered as emerging materials in biomedical sector through last decades due to the excellent physicochemical properties such dielectric and piezoelectric structures, biocompatibility, nonlinear optical characteristics. In this study, BTNPs were synthesized via co-precipitation method using barium carbonate titanium dioxide b...
Biaxial compressive strain has been used to markedly enhance the ferroelectric properties of BaTiO3 thin films. This strain, imposed by coherent epitaxy, can result in a ferroelectric transition temperature nearly 500 degrees C higher and a remanent polarization at least 250% higher than bulk BaTiO3 single crystals. This work demonstrates a route to a lead-free ferroelectric for nonvolatile mem...
Layer transfer of BaTiO3 thin films onto silicon-based substrates has been investigated. Hydrogen and helium ions were co-implanted to facilitate ion-implantation-induced layer transfer of films from BaTiO3 single crystals. From thermodynamic equilibrium calculations, we suggest that the dominant species during cavity nucleation and growth are H2, H +, H2O, Ba 2+ and Ba–OH, and that the additio...
Self-assembled BaTiO3–CoFe2O4 complex oxide nanostructures have been synthesized by pulsed laser deposition. A single ceramic target with a molar ratio of 0.62BaTiO3–0.38CoFe2O4 was used. Spinel CoFe2O4 and perovskite BaTiO3 phases spontaneously separated during heteroepitaxial growth on a single-crystal SrTiO3 s001d substrate. The nanostructures are epitaxial in-plane as well as out-of-plane, ...
Based on first-principles calculations, we demonstrate the impact of the electric polarization on electron transport in ferroelectric tunnel junctions (FTJs). Using a Pt/BaTiO3/Pt FTJ as a model system, we show that the polarization of the BaTiO3 barrier leads to a substantial drop in the tunneling conductance due to changes in the electronic structure driven by ferroelectric displacements. We ...
We demonstrate that a bipolar non-volatile resistive switching behaviour with negative differential resistance (NDR) effect is realized in a Cu/BaTiO3/Ag device, which was deposited on a Si substrate via magnetron sputtering equipment. We suggest that the bipolar resistive switching is dominated by the trapping/detrapping of electrons at the BaTiO3-Cu interface. In addition, we demonstrate that...
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