Abstract
The synthetic strategy for the creation of Double-shell structure is based on a facile calcining process, in which carbon middle layer of Fe3O4@C@Y2O3:Eu3+@C@Y2O3:Eu3+ composite nanostructures was calcined away. We obtained the Fe3O4@Y2O3:Eu3+@Y2O3:Eu3+ nanocomposites with luminescent and magnetic properties. X-ray diffraction (XRD), transmission electron microscopy (TEM), vibrating sample magnetometer (VSM) and photoluminescence spectroscopy (PL) were used to analyze the structure, morphology, magnetic and luminescence properties of the composites. The nanocomposites has spherical morphology with narrow size distribution. In addition, they exhibit good magnetization with the saturation magnetization of 1.99 emu/g) and unique red emission for Eu3+ at 610 nm.
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