Preparation of Alumina-Iron Oxide Compounds by Coprecipitation Method and Its Characterization

Fahmida Gulshan^, and Kiyoshi Okada

Cite this paper:
Fahmida Gulshan and Kiyoshi Okada. Preparation of Alumina-Iron Oxide Compounds by Coprecipitation Method and Its Characterization. American Journal of Materials Science and Engineering. 2013; 1(1):6-11. doi: 10.12691/ajmse-1-1-2

Abstract

Fe₂O₃-Al₂O₃ compounds with different Fe/Al compositions were synthesized by coprecipitation (CP) method and calcined at 300°-1000°C. The formation of crystalline phases (e.g., maghemite, hematite), transformation temperature, specific surface area, lattice parameter, crystallite size, magnetic properties of iron oxide were all affected by the component ratio and thermal treatment.

Keywords:
Fe₂O₃-Al₂O₃ compounds coprecipitation maghemite hematite lattice parameter crystallite size

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