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A Novel Type of Magnetic Fe2O3/Fe3O4 Heterogeneous Microparticles Prepared via the Ethanol-Water Reflux and Rapid Combustion Process

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A novel type of magnetic Fe2O3/Fe3O4 heterogeneous microparticles with ellipsoidal macropores was prepared via the ethanol-water reflux and rapid combustion process. The experimental results showed that the volume of absolute ethyl alcohol and the calcination temperature were the key factors to the grain sizes and the magnetic properties, the calcination temperature largely affected the saturation magnetization and the grain size of Fe2O3/Fe3O4 heterogeneous microparticles, and the amount of absolute ethyl alcohol also tremendously affected the saturation magnetization, however, the amount of absolute ethyl alcohol affected little on the grain size. Fe2O3/Fe3O4 heterogeneous microparticles calcined at 200 °C for 1 h with absolute ethyl alcohol of 20 mL had the largest saturation magnetization of 90.1 Am2/kg.
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Keywords: Ethanol-Water Reflux and Rapid Combustion Process; Fe2O3/Fe3O4; Heterogeneous Microparticles; Magnetic Materials; Nanoarchitectonics

Document Type: Research Article

Affiliations: 1: College of Chemical and Material Engineering, Quzhou University, Quzhou 324000, P. R. China 2: College of Vanadium and Titanium, Panzhihua University, Panzhihua, 617000, P. R. China 3: Lianyungang TCM Branch of Jiangsu Union Technical Institute, Lianyungang 222006, P. R. China

Publication date: May 1, 2020

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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