Ferromagnetic Resonance of Magnetic Field Aligned Iron Nanoparticles

被引：0
|
作者：
Owens, Frank J. [1 ,2 ]
机构：
[1] CUNY, Hunter Coll, Dept Phys, New York, NY 10065 USA
[2] CUNY, Grad Ctr, New York, NY 10065 USA
来源：
NANOSCIENCE AND NANOTECHNOLOGY LETTERS | 2011年 / 3卷 / 04期
关键词：
X-Ray Diffraction; Ferromagnetic Resonance; Iron Nanoparticles; MICROWAVE-ABSORPTION; TRANSITION;
D O I：
10.1166/nnl.2011.1214
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Iron nanoparticles that have been characterized by X-ray diffraction have been suspended in the liquid crystal MBBA and aligned in the direction of maximum magnetization by solidification in a 4000 G dc magnetic field. The in field solidification locks the direction of maximum magnetization of the particles parallel to the direction of the applied dc magnetic field removing the effects of dynamical fluctuations of the nanoparticles on the magnetic properties allowing a study of the intrinsic magnetic properties of the magnetic nanoparticles as well as the anisotropic behavior of the ferromagnetic resonance signal. The magnetic properties are studied by ferromagnetic resonance and AC magnetization methods.
引用
收藏
页码：594 / 597
页数：4
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