[(Fe1-xCox)0.75B0.2Si0.05]96Nb4金属玻璃的磁谱研究

功能材料, 2007, 38(12): 1956-1958.

[(Fe1-xCox)0.75B0.2Si0.05]96Nb4金属玻璃的磁谱研究

刘烜 ^1, , 丁燕红 ^2, , 赵水生 ^3, , 龙毅 ^4, , 叶荣昌 ^5, , 常永勤 ^6,

1.北京科技大学,材料科学与工程学院,北京,100083

2.北京科技大学,材料科学与工程学院,北京,100083

3.北京科技大学,材料科学与工程学院,北京,100083

4.北京科技大学,材料科学与工程学院,北京,100083

5.北京科技大学,材料科学与工程学院,北京,100083

6.北京科技大学,材料科学与工程学院,北京,100083

基金项目: 国家自然科学基金(50471095)

关键词：铁基金属玻璃 , 复数磁导率 , 磁谱

Permeability spectra of [(Fe1-xCox)0.75B0.2Si0.05]96Nb4 metallic glassy alloys

对[(Fe1-xCox)0.75B0.2Si0.05]96Nb4(x=0.1、0.2、0.3、0.4)金属玻璃在1kHz～15MHz间的磁谱进行了研究,该系列金属玻璃的磁谱是典型的德拜型谱线.由于钴元素的添加,表现出较高的弛豫频率(f0)和较高的电阻率(ρRT),但是复数磁导率实部幅值降低.当x=0.4时,弛豫频率达到最大值1.1×106Hz.电阻率随着钴元素加入从212μΩ·cm增加到272μΩ·cm.

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[(Fe1-xCox)0.75B0.2Si0.05]96Nb4金属玻璃的磁谱研究

Permeability spectra of [(Fe1-xCox)0.75B0.2Si0.05]96Nb4 metallic glassy alloys

参考文献