双层Fe/CuMnAs薄膜中反铁磁自旋轴取向的控制
介观与纳米尺度物理
2017-02-13 v1
摘要
利用X射线磁圆二色性和线性二色性技术，我们证明了外延反铁磁体四方相CuMnAs与Fe表面层之间的共线交换耦合。观察到与Fe磁化方向反平行的微小未补偿Mn磁矩。由于层间交换耦合，5nm厚的CuMnAs层的交错磁化可以在小磁场下旋转。这使我们能够获得CuMnAs在(001)面内不同晶向的X射线磁线性二色性谱。
引用
@article{arxiv.1702.03147,
title = {Control of antiferromagnetic spin axis orientation in bilayer Fe/CuMnAs films},
author = {P. Wadley and K. W. Edmonds and M. R. Shahedkhah and R. P. Campion and B. L. Gallagher and J. Zelezny and J. Kunes and V. Novak and T. Jungwirth and V. Saidl and P. Nemec and F. Maccherozzi and S. S. Dhesi},
journal= {arXiv preprint arXiv:1702.03147},
year = {2017}
}
备注
10 pages, 3 figures