نتایج جستجو برای: hydroxyapatite encapsulated γ fe2o3
تعداد نتایج: 104864 فیلتر نتایج به سال:
The aim of our work is to study phase composition, particle size and magnetic response of Fe2O3/TiO2 nanocomposites with respect to the final annealing temperature. Those nanomaterials are considered as smart catalysts, separable from a liquid/gaseous phase by applied magnetic field. The starting product was obtained by an ecologically acceptable route, based on heterogeneous precipitation of t...
Fe2O3 and Fe2O3:Ge nanofibers (NFs) were prepared via electrospinning thoroughly characterized several techniques in order to investigate the effects produced by germanium incorporation nanostructure crystalline phase of oxide. The results indicate that reference NFs consist interconnected hematite grains, whereas NFs, constituted finer elongated nanostructures developing mainly along their axi...
FeO ⋅ Fe2O3 nH2O, Fe2.95Gd0.05O4 and Fe2.9Gd0.1O4 powders were obtained by chemical precipitation from aqueous solutions. The phase composition local environment of iron ions in gadolinium-doped oxide nanoparticles studied X-ray diffraction analysis nuclear gamma resonance (NGR) spectroscopy. Interpretation radiographs NGR spectra synthesised samples indicates the presence a superposition maghe...
A simple strategy toward versatile encapsulations of inorganic nanocrystals, through a green hydrothermal treatment of commercial polyurethane sponge, was developed. This approach enables us to realize a general method to form a surface-adherent, N-doped coating with a controllable thickness for well-defined structures. These composites exhibit active properties in optical applications and ener...
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