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Magnetic and structural properties of [Co.sub.0.8][Mn.sub.x][Fe.sub.2.2-x][O.sub.4] polycrystalline powders synthesized by sol-gel process
Journal article   Peer reviewed

Magnetic and structural properties of [Co.sub.0.8][Mn.sub.x][Fe.sub.2.2-x][O.sub.4] polycrystalline powders synthesized by sol-gel process

Z.M Lu, Z.W Li, J Shen, F.B Meng, H.Y Liu, Y.X Li and C.Y Li
Journal of applied physics, Vol.105(7), p07
01 Apr 2009

Abstract

Annealing Cobalt alloys Iron Magnetic properties Manganese Structure Thermal properties Usage
[Co.sub.0.8][Mn.sub.x][Fe.sub.2.2-x][O.sub.4] (x = 0.2, 0.4, 0.6, and 0.8) powders are prepared by a sol-gel process and annealed at different temperatures and magnetic and structural properties are measured. The decrease in coercivity ([H.sub.c]) is attributed to the content decrease in [Co.sup.2+] on B sites and increasing grain sizes at higher annealing temperature have an intensive influence on [H.sub.c].

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