Enhanced Dielectric Permittivity of Optimized Surface Modified of Barium Titanate Nanocomposites
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چکیده
منابع مشابه
Dielectric properties of binary polyvinylidene fluoride/barium titanate nanocomposites and their nanographite doped hybrids
Binary polyvinylidene fluoride/barium titanate(PVDF/BaTiO3) and its nanographite (GN) doped ternarynanocomposites were fabricated using a simple solution casting process followed by compression molding. The dielectricbehavior of such hybrids over a wide frequency range was studied. Additions of GN with contents close to the percolationthreshold were found to be very effective to...
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Barium titanate single crystals had been placed in 0.01M NaOH solution to deposit hydrogen on their electrodes through the electrolysis of water. Two kinds of time-dependent changes in dielectric properties of the single crystals were observed: One occurred in the course of hydrogen deposition and the other lasted for a long period of time after the deposition. The diffusion of hydrogen and in ...
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Well-dispersed barium borate nanorods with uniform diameters were synthesized successfully, using Na2B4O7 x 10H2O and Ba(NO3)2 as raw materials and oleic acid as a modifying agent. Oleic acid was used to modify the surface property of nanorods prepared from the precipitation reaction. TEM images confirmed that the synthesized sample presented nanorod morphology with a length of about 200-400 nm...
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New apparatus and a new process for the sputter deposition of modified barium titanate thin-films were developed. Films were deposited at temperatures up to 900 °C from a Ba₀.96Ca0.04Ti0.82Zr0.18O₃ (BCZTO) target directly onto Si, Ni and Pt surfaces and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). Film texture and cryst...
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Dielectric materials with high permittivity are strongly demanded for various technological applications. While polarization inherently exists in ferroelectric barium titanate (BaTiO3), its high permittivity can only be achieved by chemical and/or structural modification. Here, we report the room-temperature colossal permittivity (~760,000) obtained in xNd: BaTiO3 (x = 0.5 mol%) ceramics derive...
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ژورنال
عنوان ژورنال: Polymers
سال: 2020
ISSN: 2073-4360
DOI: 10.3390/polym12040827