摘要:建立包含多晶微结构的微磁学模型,来研究软磁层的厚度、磁晶各向异性场、饱和磁化强度等本征磁性参数对CoPt-Ti02(6nm)/Co-Ti02(δ=1~4nm)交换耦合比特图形介质矫顽力的影响。发现当软磁层的厚度δ从lnm增加到4nm时,易磁化轴的矫顽力从8.2kOe减小到5.8kOe,归一化的剩余磁化强度Mr保持0.99基本没有变化。同时发现,当软磁层的磁晶各向异性场越小、饱和磁化强度越大,硬磁层的易磁化轴相对膜面法线方向倾斜的角度θ越大时,整个薄膜的矫顽力也越小。
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