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Transport and magnetic properties of HITPERM alloys

机译:HITPERM合金的输运和磁性

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摘要

Nanocrystalline HITPERM alloys Fe_(44.6)Co_(43.3)X_(7.4)B_(3.7)Cu_1 (X = Nb, Zr, Hf) prepared by crystallization of amorphous precursors are studied by magnetization and electrical resistivity measurements for the first time. Structural and magnetic components of the electrical resistivity are separated. The electrical resistivity of the nanocrystalline alpha' (FeCo) phase calculated using the Maxwell-Garnett relation proves strong electron scattering on the grain boundaries. The temperature variation of the crystalline fraction during the first crystallization stage is calculated for the Hf based alloy.
机译:首次通过磁化和电阻率测量研究了通过非晶态前驱物结晶制备的纳米晶HITPERM合金Fe_(44.6)Co_(43.3)X_(7.4)B_(3.7)Cu_1(X = Nb,Zr,Hf)。电阻率的结构部分和磁性部分是分开的。利用麦克斯韦-加纳特(Maxwell-Garnett)关系式计算的纳米晶α'(FeCo)相的电阻率证明了在晶界上的强电子散射。对于Hf基合金,计算了在第一结晶阶段中结晶级分的温度变化。

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