Abnormal substrate temperature dependent out-of-plane anisotropy in FeCoNbB amorphous films

作者：Yu Youxing; Yang Youran; Shan Yijiao; Bi Xiaofang^*

来源：Applied Physics Letters, 2012, 101(23): 232408.

DOI：10.1063/1.4767952

Out-of-plane magnetic anisotropy (OMA) of FeCoNbB amorphous films has been studied. The OMA is abnormally enhanced by elevating the substrate temperature from room-temperature to 500 degrees C, being much different from most soft-magnetic amorphous films. Furthermore, the films show a slightly decay in the OMA when annealed at a temperature lower than the respective deposition temperature. But when annealed at a temperature 50 degrees C higher than the respective deposition temperature, the OMA suddenly disappears. Such results indicate a distinguishing mechanism of non-magnetoelastic-anisotropy dominated OMA. A model of co-effects of magnetoelastic anisotropy and microshape anisotropy is proposed.

• 出版日期2012-12-3
• 单位北京航空航天大学