摘要
On investigating the longitudinally driven GMI effect of the DC annealed Fe36Co36Nb4Si4.8B19.2 alloy rib-bon,the current density was 3.2×107 A/m2,the GMI effect responds sensitively(the sensitivity is as high as 2440.2%/(A.m?1))to weak magnetic field after a 600-second annealing.The experimental result shows that the sensitivity is closely related to annealing current density,driven current frequency and eroded thickness.
On investigating the longitudinally driven GMI effect of the DC annealed Fe36Co36Nb4Si4.8B19.2 alloy ribbon, the current density was 3.2×10^7 A/m^2, the GMI effect responds sensitively （the sensitivity is as high as 2440.2%/（A-m^-1）） to weak magnetic field after a 600-second annealing. The experimental result shows that the sensitivity is closely related to annealing current density, driven current frequency and eroded thickness. GMI effect, current annealing, sensitivity, magnetic domain structure
基金
Zhejiang Provincial Science and Technology Key Project(Grant No.2006C21109)
Zhejiang Provincial Xinmiao Project(Grant No.2007G60G2030046)
Zhejiang Provincial Natural Science Foundation(Grant No.Y405021)
关键词
铁钴合金
退火
敏感性
磁畴结构
GMI effect, current annealing, sensitivity, magnetic domain structure
