Magnetic field induced anisotropy in nanocrystalline FeCuNbSiB alloys
Magnetic field induced anisotropy in nanocrystalline FeCuNbSiB alloys
复制标题
DOI：
10.1016/0921-5093(94)90760-9
复制
发表时间：
1994-05
期刊：
影响因子：
6.4
通讯作者：
G. Herzer
中科院分区：
文献类型：
--
作者：
G. Herzer
纳米晶Fe Cu Nb Si B合金的磁场退火诱导单轴各向异性，易磁化轴平行于外加磁场的方向。如果在纳米晶状态形成期间施加磁场，则感生各向异性能量Kureaches单个合金成分的平衡值特征。感生各向异性能量的典型大小范围从Ku = 10 J m− 3到Ku = 100 J m−3。实验数据的分析表明，各向异性主要是在沉淀b.c.c.其大小取决于晶粒的分数和硅含量。
Magnetic field annealing of nanocrystallized glassy FeCuNbSiB alloys induces a uniaxial anisotropy, the easy axis being parallel to the direction of the applied field. The induced anisotropy energyKureaches an equilibrium value characteristic of the individual alloy composition if the magnetic field is applied during the formation of the nanocrystalline state. Typical magnitudes of induced anisotropy energy range from aboutKu= 10 J m−3toKu= 100 J m−3. Analysis of the experimental data suggests that the anisotropy is mainly induced in the precipitated b.c.c. FeSi grains and that its magnitude is determined by the fraction and silicon content of crystallites.