Innovative “magneto-fluorescent” core/shell nanostructures were created via self-assembly of CdS quantum dots (QDs) over SrFe₁₂O₁₉ (MPs) surface, to accumulate the optical as-well-as magnetic properties into a single unit. SrFe₁₂O₁₉/CdS nanostructures prepared with different loadings of core, provide diverseness in the properties. X-ray diffraction analysis supports the formation of core, shell and the core/shell nanostructures. Optical studies proved that the luminescence is due to the CdS QDs with improved spectral resolution. High-coercivity indicates hard-magnetic nature of the MNPs which remain same even after the core/shell formation and indicates core/shell formation, as there is no interaction of core and shell interface. Derivatives of hysteresis provide information on new properties of the structures. FTIR spectroscopy signifies the characteristic surface properties of core/shell material. Multi-functionality of the core/shell nanoparticles has prospective applications e.g., optical-reporters coupled with magnetic-handler for use in bio-assays and the cell sorting applications where the permanent magnetic field is required.

通过在SrFe ₁₂ O ₁₉（MPs）表面上自组装CdS量子点（QD），创建了创新的“磁致荧光”核/壳纳米结构，以将光学以及电磁性质累积到一个单元中。以不同的芯负载量制备的SrFe ₁₂ O ₁₉ / CdS纳米结构可提供多种特性。X射线衍射分析支持核，壳和核/壳纳米结构的形成。光学研究证明，发光是由于具有改善的光谱分辨率的CdS QD引起的。高矫顽力表明MNP的硬磁性质，即使在核/壳形成后仍保持不变，并指示核/壳形成，因为核与壳之间没有相互作用。滞后导数提供有关结构新特性的信息。FTIR光谱表示核/壳材料的特征表面特性。核/壳纳米粒子的多功能性具有前瞻性应用，例如，在需要永久磁场的生物测定和细胞分选应用中，将光学报告仪与电磁处理器耦合在一起。