Synthesis of yttrium iron garnet nanoparticlesvia coprecipitation in microemulsion
Abstract
We describe a new technique using microemulsions to produce ultrafine
precursors of yttrium iron garnet. A coprecipitation of hydroxide or
carbonate precursors was made in a W/O microemulsion medium. These
precursors (ca. 3 nm in size), when heated above 700 °C,
transformed to YIG phase. Once prepared, YIG nanoparticles were
characterized by X-ray diffraction, transmission electron microscopy and
dc magnetic measurements.
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