期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 328, 期 -, 页码 80-85出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2012.09.064
关键词
Magnetic nanoparticle; Hysteresis; Neel relaxation; Hyperthermia; Size distribution
资金
- EU [214137 Nano3T]
- DFG [ZE825/1-1]
We present a comparative study of dynamic and quasistatic magnetic properties of iron oxide nanoparticles. The samples are prepared by different wet chemical precipitation methods resulting in different sizes and size distributions. The structural characterization was performed by X-ray diffraction and transmission electron microscopy. The heating effect in an ac field in the range 0-30 kA/m at 210 kHz was measured calorimetrically. In addition, a vibrating sample magnetometer was used for hysteresis and remanence curve measurements. (C) 2012 Elsevier B. V. All rights reserved.
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