Measuring magnetic moments of polydisperse ferrofluids utilizing the inverse Langevin function

Ingo Rehberg; Reinhard Richter; Stefan Hartung; Niklas Lucht; Birgit Hankiewicz; Thomas Friedrich

doi:10.1103/PhysRevB.100.134425

Measuring magnetic moments of polydisperse ferrofluids utilizing the inverse Langevin function

Ingo Rehberg, Reinhard Richter, Stefan Hartung, Niklas Lucht, Birgit Hankiewicz, Thomas Friedrich

Institut für Medizintechnik

9 Zitate (Scopus)

Abstract

The dipole strength of magnetic particles in a suspension is obtained by a graphical rectification of the magnetization curves based on the inverse Langevin function. The method yields the arithmetic and the harmonic mean of the particle distribution. It has an advantage compared to the fitting of magnetization curves to some appropriate mathematical model: It does not rely on assuming a particular distribution function of the particles.

Originalsprache	Englisch
Aufsatznummer	134425
Zeitschrift	Physical Review B
Jahrgang	100
Ausgabenummer	13
ISSN	2469-9950
DOIs	https://doi.org/10.1103/PhysRevB.100.134425
Publikationsstatus	Veröffentlicht - 18.10.2019

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10.1103/PhysRevB.100.134425

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abstract = "The dipole strength of magnetic particles in a suspension is obtained by a graphical rectification of the magnetization curves based on the inverse Langevin function. The method yields the arithmetic and the harmonic mean of the particle distribution. It has an advantage compared to the fitting of magnetization curves to some appropriate mathematical model: It does not rely on assuming a particular distribution function of the particles.",

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AU - Hankiewicz, Birgit

AU - Friedrich, Thomas

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Measuring magnetic moments of polydisperse ferrofluids utilizing the inverse Langevin function

Abstract

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