Synthesis of Fe-based nanocrystalline soft magnets with high saturation magnetization

被引：0
|
作者：
Kumakawa, T. [1 ]
Fukuzaki, T. [2 ]
Nishimoto, K. [1 ]
Tamura, R. [1 ,2 ]
机构：
[1] Tokyo Univ Sci, Dept Mat Sci & Technol, Chiba 2788510, Japan
[2] Tokyo Univ Sci, Polyscale Technol Res Ctr, Noda, Chiba 278, Japan
来源：
FOURTH INTERNATIONAL SYMPOSIUM ON ATOMIC TECHNOLOGY | 2010年 / 232卷
关键词：
D O I：
10.1088/1742-6596/232/1/012009
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Fe-metalloid-based nanocrystalline soft magnets are known to be excellent soft magnetic materials. In this work, we have synthesized (Fe,Co)(87)(P7-xC1Bx)(13) alloys with a high saturation magnetization (Bs) and investigated their magnetic properties and microstructures. As a result, we have successfully obtained a high saturation magnetization of Bs similar to 1.85T at the compositions of (Fe,Co)(87)(P1C1B6)(13) and (Fe,Co)(87)(C1B7)(13). The B addition is found to increase the saturation magnetization through increasing the volume fraction of nanocrystalline alpha-Fe whereas simultaneous additions of B and P are found to be effective in the grain refinement, resulting in low coercivity.
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页数：5
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