采用陶瓷工艺,制备了Sr1-xLaxFe12O19M型锶铁氧体.系统地研究了稀土La3+取代Sr2+对M型六角铁氧体的结构和磁性的影响.La3+离子取代部分的Sr2+离子能明显改善M型铁氧体的内禀磁性.
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