α"-Fe16N2 problem -: giant magnetic moment or not

被引：74

作者：

Takahashi, M ^{[1
]}

Shoji, H ^{[1
]}

机构：

[1] Tohoku Univ, Dept Elect Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2000年 / 208卷 / 03期

关键词：

magnetization; Mossbauer spectroscopy; hyperfine field;

D O I：

10.1016/S0304-8853(99)00536-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We reviewed the present situation of the alpha "-Fe16N2 problem for alpha "-Fe16N2 films with and without giant magnetic moment in connection with structure and magnetic moment. The results of XRD and TEM analysis did not show any difference between alpha "-Fe16N2 films with and without giant magnetic moment. The Mossbauer spectrum was quite different In each case. The hyperfine field of Fe16N2 film synthesized by the present authors splits into three hyperfine field interactions. However for the Fe16N2 with giant magnetic moment, hyperfine field interaction did not split and is almost the same as that of pure alpha-Fe. Therefore, the interpretation of Mossbauer spectra is the key item to solve the alpha "-Fe16N2 problem. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：145 / 157

页数：13

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