Interfacial Fourfold Anisotropy
Induces a single-crystal-like fourfold magnetic anisotropy in amorphous CoFeB via interfacial exchange coupling, opening a new route to tailor anisotropy in amorphous ferromagnetic films.
Feng, Xinwei · Meng, Jing · Zhu, Xiaoyan · Kelei, Xue · Xie, Yali · Jiang, Dongmei · Xu, Yang · Shang, T. · Hu, Yong · Zhan, Qingfeng
New Journal of Physics 2023
Fourfold magnetic anisotropy observed in amorphous CoFeB/epitaxial IrMn bilayers
Specific strength of K4 depends on EB direction
K4 for EB along [100] is larger than along [110]