Interfacial effect on the reverse of magnetization and ultrafast demagnetization in Co/Ni bilayers with perpendicular magnetic anisotropy
Gong Zi-Zhao
1, 2
, Zhang Wei
2, 3
, He Wei
2
, Zhang Xiang-Qun
2
, Liu Yong
1, †
, Cheng Zhao-Hua
2, 3, ‡
(color online) Ultrafast demagnetization curves with a large range of microscopic damping constant.