Dynamic susceptibility spectra analysis of ferromagnetic spheres via micromagnetic simulations

Herein, we report the dynamic susceptibility spectra of ferromagnetic spheres with diameters varying from 50 to 100 nm determined via micromagnetic simulations. The dynamic susceptibility spectra were calculated based on magnetization and the external field response in the frequency domain using Fou...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-03, Vol.496 (1), p.12027
Main Authors: Djuhana, D, Kurniawan, C, Widodo, A T
Format: Article
Language:English
Subjects:
Ferromagnetic materials
Ferromagnetic resonance
Fourier transforms
Resonance
Spectra
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Summary:Herein, we report the dynamic susceptibility spectra of ferromagnetic spheres with diameters varying from 50 to 100 nm determined via micromagnetic simulations. The dynamic susceptibility spectra were calculated based on magnetization and the external field response in the frequency domain using Fourier transforms. The peak of the imaginary part of the dynamic susceptibility spectra, which indicates the resonance frequency of the ferromagnetic material, is interestingly near Kittel's resonance frequency.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/496/1/012027