Magnetic Field Effect on Nitrogenation of Sm2Fe17

被引：4
|
作者：
Koyama, Keiichi [1 ]
Onoue, Masahira [1 ]
Kobayashi, Ryota [1 ]
Mitsui, Yoshifuru [1 ]
Umetsu, Rie Y. [2 ]
Uwatoko, Yoshiya [3 ]
机构：
[1] Kagoshima Univ, Grad Sch Sci & Engn, Kagoshima 8900065, Japan
[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[3] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
来源：
MATERIALS TRANSACTIONS | 2020年 / 61卷 / 08期
关键词：
magnetic field effect; nitrogenation; gas-solid reaction; Sm2Fe17N3; CHEMICAL-EQUILIBRIUM; PHASE-FORMATION; ENHANCEMENT; IRON; DIFFUSION; MNBI;
D O I：
10.2320/matertrans.MT-MN2019012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nitrogenation of Sm2Fe17 powder was performed under a zero field and a magnetic field of 5 T at 623, 673 and 743K to clarify the magnetic field effect on nitrogenation. Applying a magnetic field of 5 T induced nitrogenation compared with zero-field nitrogenation, and almost fully nitride Sm2Fe17N2.9 was obtained at 743 K. Mossbauer spectroscopy results suggested that a 5-T magnetic field promoted the phase transformation to the fully-nitride Sm2Fe17N3 phase. The magnetic field effect was discussed based on the magnetic energy gain and magnetic properties of host Sm2Fe17 and fully nitride Sm2Fe17N3.
引用
收藏
页码：1487 / 1491
页数：5
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