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La-Co替代的M型永磁铁氧体 被引量:6

La-Co substituted M-Type ferrite magnets
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摘要 对La-Co替代的M型高性能永磁铁氧体进行了详细介绍,包括材料制备的工艺特点,成分,显微结构,材料的内禀参数,技术磁性能以及温度特性等.研究结果表明:最优化组分为Sr0.7La0.3Fe11.7Co0.3O19的M型永磁铁氧体的饱和磁化强度Ms(298K)比SrFe12O19永磁铁氧体的大1%~3%,磁晶各向异性场Ha大16.8%,磁晶各向异性常数K1大16.7%,磁性能:Br=450mT,Hcj=384kA/m,(BH)max=38.6kJ/m3.
出处 《功能材料》 EI CAS CSCD 北大核心 2004年第z1期758-763,共6页 Journal of Functional Materials
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参考文献25

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共引文献93

同被引文献30

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