Blocking effects in magnetic resonance?: The ferromagnetic nanowires case

被引：5
|
作者：
Ramos, C. A. [1 ]
De Biasi, E.
Zysler, R. D.
Brigneti, E. Vassallo
Vazquez, M.
机构：
[1] Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[2] Inst Balseiro, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[3] CSIC, Inst Ciencias Mat, E-28049 Madrid, Spain
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 316卷 / 02期
关键词：
ferromagnetic resonance; magnetic nanowire; magnetic anisotropy; superparamagnetism;
D O I：
10.1016/j.jmmm.2007.02.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present magnetic resonance results obtained at L, X, and Q bands (1.2, 9.4 and 34 GHz, respectively) on ferromagnetic nanowires with a hysteresis cycle characterized by a remanent magnetization M-r/M-s similar to 0.92 and a coercive field H-c = 1.0 kOe. The hysteretic response of the ferromagnetic resonance spectra is discussed in terms of independent contributions of the nanowires aligned along and opposite to the applied field. We will discuss the implications of this study on the magnetic resonance in nanoparticles and other systems with large anisotropy. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：E63 / E66
页数：4
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