Ferrihydrite antiferromagnetic nanoparticles in a sol-gel derived organic-inorganic matrix

被引：22
|
作者：
Silva, NJO [1 ]
Amaral, VS
Carlos, LD
Bermudez, VD
机构：
[1] Univ Aveiro, Dept Fis, P-3810193 Aveiro, Portugal
[2] Univ Aveiro, CICECO, P-3810193 Aveiro, Portugal
[3] Univ Tras Os Montes & Alto Douro, Dept Quim, P-5001911 Vila Real, Portugal
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2004年 / 272卷
关键词：
antiferromagnetic particles; hybrid materials; sol-gel processing; Langevin function;
D O I：
10.1016/j.jmmm.2003.12.1303
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic properties of anti ferromagnetic ferrihydrite nanoparticles within a sol-gel derived organic-inorganic matrix, with sizes depending on iron loading are investigated. Above the irreversibility, the magnetization can be fitted with a Langevin function added to a linear term, yielding an estimation of the particles mean radius, comparable with previous X-ray diffraction and small-angle X-ray scattering results. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：1549 / 1550
页数：2
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