Onset of perpendicular magnetization in nanostripe arrays of Fe on stepped W(110) surfaces
Onset of perpendicular magnetization in nanostripe arrays of Fe on stepped W(110) surfaces
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DOI：
10.1103/physrevb.59.3688
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发表时间：
1999-02-01
影响因子：
3.7
通讯作者：
Gradmann, U
中科院分区：
文献类型：
--
作者：
Elmers, HJ;Hauschild, J;Gradmann, U
在台阶状W（110）表面上生长了Fe（110）薄膜的双层和单层相间条纹纳米阵列。制备样品中的磁易轴从单层中的平面内切换到双层条纹中的垂直方向。超过临界宽度，这是由交换相互作用决定的，双层条纹显示剩余的垂直顺序。静磁相互作用诱导反铁磁条纹间耦合，在高覆盖下抑制垂直剩余物。在残余气体暴露期间，双层易轴旋转到平面内，导致从反铁磁到铁磁条纹间耦合的急剧转变。[s0163 - 1829(99) 01705 - 1]。
Nanostripe arrays of alternating double layer and monolayer stripes of Fe(110) films were grown on stepped W(110) surfaces. The magnetic easy axis in the as-prepared samples switches from in-plane in the monolayer to perpendicular in the double layer stripes. Beyond a critical width, which is determined by exchange interactions, the double layer stripes show remanent perpendicular order. Magnetostatic interactions induce antiferromagnetic interstripe coupling, which suppresses perpendicular remanence at higher coverages. During residual gas exposure, the double layer easy axis is rotated into the plane, resulting in a sharp transition from antiferromagnetic to ferromagnetic interstripe coupling. [S0163-1829(99)01705-1].