Preparaion Of Lead Free Nanosized Barium Titanate And Barium Calcium Titanate-Zirconate Powders By Using Urea Formaldehyde Resin
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چکیده
منابع مشابه
Ferroelectric Lead Zirconate Titanate and Barium Titanate Nanotubes
Wetting of the pore walls of porous templates is a simple and convenient method to prepare nanotubes. Ferroelectric lead zirconate titanate and barium titanate nanotubes were fabricated by wetting of porous silicon templates of polymeric precursors. The ferroand piezoelectric properties of an individual ferroelectric either of a PZT or a BaTiO3 nanotube were electrically characterized by measur...
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Hydrothermal and commercial barium titanate powders were examined for undesirable impurity phases. Compositional differences in the powder were evaluated using x-ray diffraction ( XRD ), x-ray fluorescence ( XRF ), and x-ray photoelectron spectroscopy (XPS). A brium-rich impurity phase, virtually undetectable by XRD, was detected via XPS. Barium impurity phase peaks were detected at binding ene...
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The emission of wide band photoluminescence showed a synergic effect on barium zirconate and barium titanate thin films in alternate multilayer system at room temperature by 488 nm exiting wavelength. The thin films obtained by spin-coating were annealed at 350, 450, and 550 degrees C for 2 h. The X-ray patterns revealed the complete separation among the BaTiO3 and BaZrO3 phases in the adjacent...
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Barium titanate/epoxy resin composites have been synthesized and tested for microwave absorption/ transmission. Nanocrystalline barium titanate (BaTiO3 or BT) was synthesized by the hydrothermal method and the composites of BT/epoxy resin were fabricated as thin solid slabs of four different weight ratios. BTwas obtained in the cubic phase with an average particle size of 21 nm, deduced from th...
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ژورنال
عنوان ژورنال: Journal of Environmental Studies and Researches
سال: 2020
ISSN: 2356-8054
DOI: 10.21608/jesr.2020.136577