Improvement of high-frequency properties of Co
2
FeSi Heusler films by ultrathin Ru underlayer
Wang Cuiling
1, 2
, Zhang Shouheng
1
, Li Shandong
1, †
, Du Honglei
1, 3
, Zhao Guoxia
1
, Cao Derang
1
The in-plane hysteresis loops for the samples along (a) the easy axis and (b) the hard axis.