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

页码：1487 / 1491

页数：5

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