Enhancement of magnetic surface anisotropy of Pd/Co/Pd trilayers by the addition of Sm
Enhancement of magnetic surface anisotropy of Pd/Co/Pd trilayers by the addition of Sm
复制标题
添加 Sm 增强 Pd/Co/Pd 三层膜的磁表面各向异性
DOI：
10.1063/1.1405817
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发表时间：
2001
影响因子：
3.2
通讯作者：
Y. Shimada
中科院分区：
文献类型：
--
作者：
S. Okamoto;K. Nishiyama;O. Kitakami;Y. Shimada
我们研究了Sm对Pd/Co 100 −xSmx/Pd（111）三层膜磁表面各向异性（MSA）的影响，其中Sm含量x从0变化到11。由于界面处存在强烈的MSA，所有样品均表现出垂直各向异性。MSA随x的增加而显著增加，在x = 8.3时达到最大值0.60 erg/cm ~ 2，比纯Co（x=0）的MSA大36%。磁各向异性的体积项表现出与MSA相似的行为。MSA的明显增加被认为是由于Sm的加入增强了Co的轨道矩。
We have studied the effect of Sm on the magnetic surface anisotropy (MSA) of Pd/Co100−xSmx/Pd (111) trilayers, where Sm content x was varied from 0 to 11. All samples show perpendicular anisotropy due to the strong MSA at the interfaces. The MSA significantly increases with x and attains a maximum value of 0.60 erg/cm2 at x≃8.3, which is 36% larger than that of pure Co (x=0). The volume term of the magnetic anisotropy shows a similar behavior as the MSA. The appreciable increase in MSA is considered to be due to the enhancement of orbital moment of Co by the addition of Sm.