Synthesis of yttrium iron garnet nanoparticlesvia coprecipitation in microemulsion

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Paz Vaqueiro, M. Arturo López-Quintela and José Rivas


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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