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J. Korean Ceram. Soc. > Volume 35(3); 1998 > Article
Journal of the Korean Ceramic Society 1998;35(3): 239.
Polymerized Complex법에 의한 ${alpha}-Fe_2O_3$ 분말의 제조
강경원, 정용선1, 오근호1
한양대학교 세라믹공학과
1한양대학교 세라믹공정연구센터
Synthesis of ${alpha}-Fe_2O_3$ Powders by the Polymerized Complex Method
Iron complexes were prepared using ferric nitrate and ethylene glycol as starting materials and the ul-trafine ${alpha}-Fe_2O_3$ particles with the sizes smaller than 200nm were obtained by the pyrolysis of iron com-plexes at over $350^{circ}C$ In addition the decomposition mechanism of the synthesized iron complexes was in-vestigated by differential scanning calorimeter X-ray diffractometer and IR spectrometer. Transmission electron microscopy and BET method were performed to analyze the effects of ferric nitrate contents and reaction temperatures on the size and shape of the particles.
Key words: Polymerized complex, ${\alpha}-Fe_2O_3$, Particle size, Ferric nitrate, Ethylene glycol
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