Magnetic nanowires as permanent magnet materials

被引：94

作者：

Maurer, T. ^{[1
]}

Ott, F.

Chaboussant, G.

Soumare, Y.

Piquemal, J. Y.

Viau, G.

机构：

[1] Ctr Etud Saclay, CNRS, CEA, Lab Leon Brillouin,UMR12, F-91191 Gif Sur Yvette, France

[2] Univ Paris 07, ITODYS, CNRS, UMR 7086, F-75251 Paris 05, France

[3] INSA Toulouse, Lab Phys & Chim Nano Objects, CNRS, UMR 5215, F-31077 Toulouse 4, France

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 17期

关键词：

D O I：

10.1063/1.2800786

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present the fabrication of metallic magnetic nanowires using a low temperature chemical process. We show that pressed powders and magnetically oriented samples exhibit a very high coercivity (6.5 kOe at 140 K and 4.8 kOe at 300 K). We discuss the magnetic properties of these metamaterials and show that they have the suitable properties to realize "high temperature magnets" competitive with AlNiCo or SmCo permanent magnets. They could also be used as recording media for high density magnetic recording. (C) 2007 American Institute of Physics.

引用

页数：3

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