Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles
Weddemann A, Auge A, Kappe D, Wittbracht F, Hütten A (2010)
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322(6): 643-646.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Einrichtung
Abstract / Bemerkung
In this work, we investigate dynamically the dipolar driven demagnetization process of magnetic multicore particles by solving the Landau-Lifshitz equation for single-domain particles distributed on a three-dimensional sphere. We analyze the relaxation time in respect to different geometry and material parameters. Further we show that the demagnetization times differ from the behaviour of a single magnetic sphere in the case of low damping. To explain these dynamics nanoparticular systems of different dimensions are investigated. We show that deviations can be attributed to a confinement of the relaxation dynamics to a lower dimensional submanifold of the k-space. (C) 2009 Elsevier B. V. All rights reserved.
Stichworte
relaxation;
Landau-Lifshitz equation;
Magnetic multi-core nanoparticles;
Magnetic;
Dipole-dipole coupling
Erscheinungsjahr
2010
Zeitschriftentitel
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Band
322
Ausgabe
6
Seite(n)
643-646
ISSN
0304-8853
Page URI
https://pub.uni-bielefeld.de/record/1589059
Zitieren
Weddemann A, Auge A, Kappe D, Wittbracht F, Hütten A. Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 2010;322(6):643-646.
Weddemann, A., Auge, A., Kappe, D., Wittbracht, F., & Hütten, A. (2010). Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 322(6), 643-646. https://doi.org/10.1016/j.jmmm.2009.10.031
Weddemann, Alexander, Auge, Alexander, Kappe, D., Wittbracht, Frank, and Hütten, Andreas. 2010. “Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles”. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322 (6): 643-646.
Weddemann, A., Auge, A., Kappe, D., Wittbracht, F., and Hütten, A. (2010). Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322, 643-646.
Weddemann, A., et al., 2010. Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 322(6), p 643-646.
A. Weddemann, et al., “Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles”, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 322, 2010, pp. 643-646.
Weddemann, A., Auge, A., Kappe, D., Wittbracht, F., Hütten, A.: Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 322, 643-646 (2010).
Weddemann, Alexander, Auge, Alexander, Kappe, D., Wittbracht, Frank, and Hütten, Andreas. “Dynamic simulations of the dipolar driven demagnetization process of magnetic multi-core nanoparticles”. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322.6 (2010): 643-646.
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