Synthesis of Sandwiched Composite Nanomagnets by Epitaxial Growth of Fe<sub>3</sub>O<sub>4 </sub>Layers on Srfe<sub>12</sub>o<sub>19</sub> Nanoplates in High-Boiling Organic Solvent
Abstract:Herein, we demonstrate the synthesis of sandwiched composite nanomagnets, which consist of hard magnetic hexaferrite cores and magnetite outer layers. The hexaferrite plate-like nanoparticles with average dimensions of 16.0 nm × 4.9 nm were prepared by glass crystallization method and were covered by spinel-type iron oxide via thermal decomposition of iron acetylacetonate in hexadecane solution. The hexaferrite nanoplates act as seeds for the epitaxial growth of the magnetite, which results in unifor… Show more
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