利用微磁学理论,研究了周期及准周期结构Sm-Co/α-Fe交换耦合多层膜体系的剩磁、内禀矫顽力与体系厚度及层数的关系.研究结果表明:当体系厚度较大且层数较少时,周期结构的磁性能优于准周期结构的磁性能;但当体系厚度较小层数较多时,则是准周期结构的磁性能优于周期结构的磁性能.这对交换耦合多层膜磁体的制备有一定的指导意义.
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