A Study on Factors Affecting the Properties of Fe3O4Ultrafine Particles

Abstract

Abstract: The magnetic properties of Fe₃O₄ultrafine particles prepared by chemical coprecipitation are closely related to the mixing process of precipitators, the concentrations of the solution and the molar ratios of Fe²⁺/Fe³⁺/OH^-, etc. We have improved the method of the chemical coprecipitation and found that there are an obvious increase in the magnetic properties and crystal degree and an obvious decrease in the size of Fe₃O₄ultrafine particles.

Key words: Chemical coprecipitation, Ultraf ine particle, Magnetic property

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Kang Hong-ye, Wang Yun-jun, Shi Zhan, Yu Chun-man, Zhao Mu-yu . A Study on Factors Affecting the Properties of Fe₃O₄Ultrafine Particles[J]. Chem. J. Chinese Universities, 1991, 12(5): 684.

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A Study on Factors Affecting the Properties of Fe₃O₄Ultrafine Particles

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