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Supercritical Fluid Synthesis of Magnetic Hexagonal Nanoplatelets of Magnetite

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journal contribution
posted on 15.09.2010 by Zhonglai Li, Jeffrey F. Godsell, Justin P. O’Byrne, Nikolay Petkov, Michael A. Morris, Saibal Roy, Justin D. Holmes
A supercritical fluid technique was used to prepare hexagonal nanoplatelets of magnetite. Ferrocene was used as the Fe source, and sc-CO2 acted as both a solvent and oxygen source in the process. Powder X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, and magnetic measurements were used to characterize the products. It was found that the morphology and structure of the product strongly depended on the reaction conditions.