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2005•Journal of Tongji UniversityRequires access

Influence of Content of Zinc and Iron on Properties of Mn-Zn Ferrite Powder

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Abstract

Nano-particle Mn-Zn ferrite was prepared by coprecipitation method.The chemicals zinc sul-fate,manganese sulfate and inferior iron sulfate were used as the starting materials,and ammonium ox-alate was used as precipitant.The crystalline phase and magnetic properties of the ferrite were investi-gated,and the influence of material constituent on the properties of ferrite was studied.The results demonstrate that the magnetic susceptibility increases and Curie temperature of the ferrite decreases with the increase of the iron content and the decrease of the zinc content.

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Nano-particle Mn-Zn ferrite was prepared by coprecipitation method.The chemicals zinc sul-fate,manganese sulfate and inferior iron sulfate were used as the starting materials,and ammonium ox-alate was used as precipitant.The crystalline phase and magnetic properties of the ferrite were investi-gated,and the influence of material constituent on the properties of ferrite was studied.The results demonstrate that the magnetic susceptibility increases and Curie temperature of the ferrite decreases with the increase of the iron content and the decrease of the zinc content.

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Available abstract

Nano-particle Mn-Zn ferrite was prepared by coprecipitation method.The chemicals zinc sul-fate,manganese sulfate and inferior iron sulfate were used as the starting materials,and ammonium ox-alate was used as precipitant.The crystalline phase and magnetic properties of the ferrite were investi-gated,and the influence of material constituent on the properties of ferrite was studied.The results demonstrate that the magnetic susceptibility increases and Curie temperature of the ferrite decreases with the increase of the iron content and the decrease of the zinc content.

Key concepts: Coprecipitation, Ferrite (magnet), Zinc, Iron sulfate, Manganese, Materials science, Metallurgy, Zinc ferrite

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