Exploring parameters of magnetic particles in 1D field excitation

Tobias Klemme; Thorsten M. Buzug; Alexander Neumann

doi:10.18416/ijmpi.2020.2004001

Exploring parameters of magnetic particles in 1D field excitation

Tobias Klemme, Thorsten M. Buzug, Alexander Neumann^*

^*Corresponding author for this work

Institute of Medical Engineering

Abstract

This work explores how different parameters, e.g. magnetic anisotropy and core radius, influence the signal/spectrum of magnetic particles in a one-dimensional excitation field. Simulations are performed using a model considering both the mechanical and magnetization dynamics of the particle. The performed simulations show an increase of amplitude at higher harmonics for anisotropy constants within a certain range. This increase is also observed for different magnetic radii. The obtained knowledge can help to improve the performance of magnetic particles in magnetic particle imaging.

Original language	English
Article number	2004001
Journal	International Journal on Magnetic Particle Imaging
Volume	6
Issue number	1
ISSN	2365-9033
DOIs	https://doi.org/10.18416/ijmpi.2020.2004001
Publication status	Published - 18.04.2020

Research Areas and Centers

Academic Focus: Biomedical Engineering

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.18416/ijmpi.2020.2004001

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author = "Tobias Klemme and Buzug, {Thorsten M.} and Alexander Neumann",

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AU - Buzug, Thorsten M.

AU - Neumann, Alexander

N1 - Funding Information: This work was funded by the German Federal Ministry of Education and Research, contract number 13GW0069B. Publisher Copyright: © 2020 Inﬁnite Science Publishing. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/4/18

Y1 - 2020/4/18

N2 - This work explores how different parameters, e.g. magnetic anisotropy and core radius, influence the signal/spectrum of magnetic particles in a one-dimensional excitation field. Simulations are performed using a model considering both the mechanical and magnetization dynamics of the particle. The performed simulations show an increase of amplitude at higher harmonics for anisotropy constants within a certain range. This increase is also observed for different magnetic radii. The obtained knowledge can help to improve the performance of magnetic particles in magnetic particle imaging.

AB - This work explores how different parameters, e.g. magnetic anisotropy and core radius, influence the signal/spectrum of magnetic particles in a one-dimensional excitation field. Simulations are performed using a model considering both the mechanical and magnetization dynamics of the particle. The performed simulations show an increase of amplitude at higher harmonics for anisotropy constants within a certain range. This increase is also observed for different magnetic radii. The obtained knowledge can help to improve the performance of magnetic particles in magnetic particle imaging.

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Exploring parameters of magnetic particles in 1D field excitation

Abstract

Research Areas and Centers

UN SDGs

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