Fe基纳米晶粉芯磁致频移特性的研究

1.华东师范大学物理系,上海,200062;浙江师范大学数理与信息科学学院,浙江金华,321004

2.华东师范大学物理系,上海,200062

3.华东师范大学物理系,上海,200062

4.华东师范大学物理系,上海,200062

5.华东师范大学物理系,上海,200062

基金项目: 国家攀登计划上海市科委资助项目(99JC14017)

Study of Frequency Shift in Fe-based Nanocrystalline Powder Cores

测量了Fe基纳米晶粉芯线圈与电容并联成LC回路的共振频率(fr),研究了fr随外加磁场变化的特性,发现fr随外加磁场有显著变化.在0-56kA/m范围内有很好的线性和灵敏度,可以用于磁场测量.

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