摘要
An amorphous magnetic material system(Co20Fe47Ta20B13)1-xOx is fabricated by magneto sputtering. Three stages of magnetization behavior exist when oxygen content changes in the system. As the oxygen increases, the absence of percolation effect of magnetic nano-particles makes the multi-domain structure broken so that high coercivity appears in the samples with proper oxygen content. A temperature-dependent Stoner–Wohlfarth model is used to explain the magnetization properties at relatively high temperature. Magnetizations with magnetic field in and out of the sample plane are also investigated to prove the mechanisms. This work provides a systematic study of a new kind ofv amorphous magnetic system and is helpful for us to know more about this type of material.
An amorphous magnetic material system(Co20Fe47Ta20B13)1-xOx is fabricated by magneto sputtering. Three stages of magnetization behavior exist when oxygen content changes in the system. As the oxygen increases, the absence of percolation effect of magnetic nano-particles makes the multi-domain structure broken so that high coercivity appears in the samples with proper oxygen content. A temperature-dependent Stoner–Wohlfarth model is used to explain the magnetization properties at relatively high temperature. Magnetizations with magnetic field in and out of the sample plane are also investigated to prove the mechanisms. This work provides a systematic study of a new kind ofv amorphous magnetic system and is helpful for us to know more about this type of material.
作者
熊成悦
陈澄
孙雯
卢子尧
牟鸿铭
章晓中
Chengyue Xiong;Cheng Chen;Wen Sun;Ziyao Lu;Hongming Mou;Xiaozhong Zhang
基金
Supported by the National Key Research and Development Program of China under Grant No 2017YFA0206202
the National Natural Science Foundation of China under Grant Nos 51471093 and 116741901
