Magnetic properties of with nitrogen added Fe-Ni invar films

被引：0

作者：

Han, KH ^{[1
]}

Kim, JG

Lee, S

Kim, KJ

机构：

[1] Hanyang Univ, Quantum Photon Sci Res Ctr, Seoul 133791, South Korea

[2] Hanyang Univ, Dept Phys, Seoul 133791, South Korea

[3] Inha Univ, Dept Phys, Inchon 402751, South Korea

[4] Konkuk Univ, Dept Phys D4, Seoul 143701, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2004年 / 45卷 / 04期

关键词：

Brillouin scattering; magnetic thin films; spin wave; FeNiN alloy;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The microstructure and the magnetic properties of Fe-Ni-N/Cu films, prepared by using DC magnetron sputter, with different thicknesses have been studied by using X-ray diffraction, Brillouin light scattering, and magnetization measurements. To study the effects of nitrogen addition to the Fe-Ni film, we analyzed the temperature and the magnetic-field dependences of spin wave frequency by using Bloch's law and the dispersion relation for magnons, respectively. From the analyzed results, the spin wave stiffness constant D and the range of exchange interaction r(ex), which play important roles in magnetic materials, were 100.7 meVAngstrom(2) and 0.98 for the Fe-Ni-N film with a thickness of 60 nm.

引用

页码：1032 / 1036

页数：5

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