نتایج جستجو برای: zinc ferrites nanoparticle
تعداد نتایج: 104798 فیلتر نتایج به سال:
Zinc, copper and lead are amongst the more abundant trace metals in waste fuels such as municipal solid recovered wood. The ashes from could contain high contents of these metals, which be valuable but also toxic certain environments. Oxygen carrier aided combustion, OCAC, is a novel technology for combustion biomass waste. Utilizing oxygen carriers affect fate have implications stability recyc...
The collaboration between Sharp Laboratories of America (SLA), Oregon State University (OSU) and ORNL focused on low thermal budget pulse thermal processing (PTP) technique to develop high performance copper zinc tin sulfide (CZTS) thin film system for advanced photovoltaic (PV) applications, with the goal to develop novel fabrication processes for the manufacture of low-cost, high-performance ...
In this study, lauric acid-coated, superparamagnetic, nanoparticle-based magnetic fluids of different ferrites (Fe(3)O(4), MnFe(2)O(4), and CoFe(2)O(4)) were prepared and compared in terms of heating ability and biocompatibility to evaluate the feasibility of use in hyperthermia treatment of cancer. All the magnetic fluids prepared had particles of average sizes 9-11 nm. Heating ability of thes...
Calculations for the magnetic dipolar contribution to the magnetic anisotropy of BaFeizOie and LaFeiiZnOie M-type and BaFerMn2Oil A-type hexagonal ferrites have been made. Our calculations take into account all the magnetic moments existing within a sphere with a radius of 118 1, from which good eonvergenee is reached. The results for there ferrite# suggest that the strong magnetic enisotropy i...
The bottom-up synthesis of ligand-stabilized functional nanoparticles from molecular precursors is widely applied but is difficult to study mechanistically. Here we use 31P NMR spectroscopy to follow the trajectory of phosphinate ligands during the synthesis of a range of ligated zinc oxo clusters, containing 4, 6 and 11 zinc atoms. Using an organometallic route, the clusters interconvert rapid...
The cobalt substituted Nickel-Zinc ferrites with the composition Ni0.95-xZn0.05CoxFe2O4, for x= 0.01, 0.02, 0.03, 0.04, 0.05 and 0.06 were synthesized by soft chemical route method found to have cubic system of ferrimagnetic spinel using XRD. grain sizes decreases significantly content (x) are 1.62-1.36nm x = 0.01 which small enough produce appropriate high density recording media. particle siz...
Numerous applications of hexagonal ferrites are related to their easy axis or easy plane magnetocrystalline anisotropy configurations. Certain W-type ferrites undergo spin reorientation transitions (SRT) between different anisotropy states on magnetic field or temperature variation. The transition point can be tuned by modifying the chemical composition, which suggests a potential application o...
The temperature dependence of core loss in cobalt substituted Ni-Zn-Cu ferrites was investigated. Co ions are known to lead to a compensation of the magnetocrystalline anisotropy in Ni-Zn ferrites, at a temperature depending on the cobalt content and the Ni / Zn ratio. We observed similar behaviour in Ni-Zn-Cu and it was found that the core loss goes through a minimum around this magneto-crysta...
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