Preparation of magnetic nanoparticles with large specific loss power for heating applications

被引：50

作者：

Müller, R ^{[1
]}

Hergt, R ^{[1
]}

Zeisberger, M ^{[1
]}

Gawalek, W ^{[1
]}

机构：

[1] Inst Phys Hochtechnol, D-07745 Jena, Germany

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2005年 / 289卷

关键词：

magnetic nanoparticle; glass crystallisation; ferrofluids; Neel relaxation; magnetic losses; magnetic hyperthermia;

D O I：

10.1016/j.jmmm.2004.11.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Glass crystallisation method is used as a relatively new technique for the preparation of nanocrystalline magnetic iron oxide. Properties of glassy flakes, the precursor state, prepared powders as well as a water-based ferrofluid were analysed by XRD, TEM and magnetic methods. Different contributions to specific loss power (SLP) are measured by AC-susceptometry, hysteresis loops and a calorimetric method. Values of SLP in the order of 100 W/g maghemite may be achieved with the option of further increase by improving the core size distribution. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：13 / 16

页数：4

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