نتایج جستجو برای: bismuth ferrite
تعداد نتایج: 13366 فیلتر نتایج به سال:
Ferrites-bismuth ferrite is an intriguing option for medical diagnostic imaging device due to its magnetoelectric and enhanced near-infrared fluorescent properties. However, the embedded XFO nanoparticles are randomly located on the BFO membranes, making implementation in devices difficult. To overcome this, we present a facile bio-approach to produce XFe2O4-BiFeO3 (XFO-BFO) (X = Cr, Mn, Co, or...
In this study a comparison of the topography BiFeO 3 (BFO) thin films deposited on tantalum pentoxide substrates different thicknesses is provided. The Ta 2 O 5 had roughness increasing with film thickness. relationship between but same composition quality growing bismuth ferrite estimated. For first time estimation BFO presented. difference in temperature expansion coefficients leads to intens...
Abstract Bismuth ferrite has been under intense research for many years as it can exhibit first- and second-order transitions where all the phases have distinct properties encapsulating various exciting phenomena. This work reports a computational study of bismuth its varied using density functional theory with implementation Hubbard correction increased accuracy. The proposed method is validat...
We study the lattice dynamics of bismuth ferrite (BiFeO3) rhombohedral ferroelectric (R3c) using first-principles density functional theory calculations and the direct force constant method. We determine the phonon dispersions, phonon density of states, and heat capacity. Special attention is paid to the heat capacity at low temperature, at which the present phonon calculations show significant...
A superior electro-optic (E-O) response has been achieved when multiferroic bismuth ferrite (BiFeO3/BFO) nanoparticles (NPs) were doped in nematic liquid crystal (NLC) host E7 and the LC device was addressed in the large signal regime by an amplitude modulated square wave signal at the frequency of 100 Hz. The optimized concentration of BFO is 0.15 wt%, and the corresponding total optical respo...
We report the magnetic and visible light driven photocatalytic properties of scandium (Sc) substituted bismuth ferrite (BSFO) particulate and fiber nanostructures. An increasing concentration of Sc was found to reduce the crystallite size, particle size and band gap energy of the BSFO nanostructures, which was evident from X-ray diffraction, field emission scanning electron microscopy and UV-Vi...
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