High coercivity of ordered macroporous FePt films synthesized via colloidal templates

被引：24
|
作者：
Iskandar, F
Iwaki, T
Toda, T
Okuyama, K
机构：
[1] Hiroshima Univ, Grad Sch Engn, Dept Chem Engn, Higashihiroshima 7398527, Japan
[2] Japan Chem Innovat Inst, Hiroshima Joint Res Ctr Nanotechnol Particle Proj, Higashihiroshima 7398530, Japan
[3] Toda Kogyo Corp, Naka Ku, Hiroshima 7300847, Japan
来源：
NANO LETTERS | 2005年 / 5卷 / 07期
关键词：
D O I：
10.1021/nl050863w
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The preparation of a three-dimensionally (3D) ordered macroporous iron-platinum (FePt) film derived from monodisperse FePt nanoparticles (approximately 3 nm in diameter) and polystyrene latex particles (254 nm in diameter) is described. The prepared film has a hexagonally ordered porous structure and coercivity up to 10 kOe after annealing at a temperature of 600 degrees C. We also found that size of FePt particles was maintained at around 3 nm, even after annealing at a temperature of 600 degrees C.
引用
收藏
页码：1525 / 1528
页数：4
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