Magnetic, structural, and particle size analysis of single- and multi-core magnetic nanoparticles

Frank Ludwig; Olga Kazakova; Luis Fernández Barquín; Andrea Fornara; Lutz Trahms; Uwe Steinhoff; Peter Svedlindh; Erik Wetterskog; Quentin A. Pankhurst; Paul Southern; Puerto Morales; Mikkel Fougt Hansen; Cathrine Frandsen; Eva Olsson; Stefan Gustafsson; Nicole Gehrke; Kerstin Lüdtke-Buzug; Cordula Grüttner; Christian Jonasson; Christer Johansson

doi:10.1109/TMAG.2014.2321456

Magnetic, structural, and particle size analysis of single- and multi-core magnetic nanoparticles

Frank Ludwig^*, Olga Kazakova, Luis Fernández Barquín, Andrea Fornara, Lutz Trahms, Uwe Steinhoff, Peter Svedlindh, Erik Wetterskog, Quentin A. Pankhurst, Paul Southern, Puerto Morales, Mikkel Fougt Hansen, Cathrine Frandsen, Eva Olsson, Stefan Gustafsson, Nicole Gehrke, Kerstin Lüdtke-Buzug, Cordula Grüttner, Christian Jonasson, Christer Johansson

^*Corresponding author for this work

Institute of Medical Engineering

17 Citations (Scopus)

Abstract

We have measured and analyzed three different commercial magnetic nanoparticle systems, both multi-core and single-core in nature, with the particle (core) size ranging from 20 to 100 nm. Complementary analysis methods and same characterization techniques were carried out in different labs and the results are compared with each other. The presented results primarily focus on determining the particle size - both the hydrodynamic size and the individual magnetic core size - as well as magnetic and structural properties. The used analysis methods include transmission electron microscopy, static and dynamic magnetization measurements, and Mössbauer spectroscopy. We show that particle (hydrodynamic and core) size parameters can be determined from different analysis techniques and the individual analysis results agree reasonably well. However, in order to compare size parameters precisely determined from different methods and models, it is crucial to establish standardized analysis methods and models to extract reliable parameters from the data.

Original language	English
Article number	6971714
Journal	IEEE Transactions on Magnetics
Volume	50
Issue number	11
ISSN	0018-9464
DOIs	https://doi.org/10.1109/TMAG.2014.2321456
Publication status	Published - 01.11.2014

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Academic Focus: Biomedical Engineering

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10.1109/TMAG.2014.2321456

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Ludwig, F., Kazakova, O., Barquín, L. F., Fornara, A., Trahms, L., Steinhoff, U., Svedlindh, P., Wetterskog, E., Pankhurst, Q. A., Southern, P., Morales, P., Hansen, M. F., Frandsen, C., Olsson, E., Gustafsson, S., Gehrke, N., Lüdtke-Buzug, K., Grüttner, C., Jonasson, C., & Johansson, C. (2014). Magnetic, structural, and particle size analysis of single- and multi-core magnetic nanoparticles. IEEE Transactions on Magnetics, 50(11), Article 6971714. https://doi.org/10.1109/TMAG.2014.2321456

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title = "Magnetic, structural, and particle size analysis of single- and multi-core magnetic nanoparticles",

abstract = "We have measured and analyzed three different commercial magnetic nanoparticle systems, both multi-core and single-core in nature, with the particle (core) size ranging from 20 to 100 nm. Complementary analysis methods and same characterization techniques were carried out in different labs and the results are compared with each other. The presented results primarily focus on determining the particle size - both the hydrodynamic size and the individual magnetic core size - as well as magnetic and structural properties. The used analysis methods include transmission electron microscopy, static and dynamic magnetization measurements, and M{\"o}ssbauer spectroscopy. We show that particle (hydrodynamic and core) size parameters can be determined from different analysis techniques and the individual analysis results agree reasonably well. However, in order to compare size parameters precisely determined from different methods and models, it is crucial to establish standardized analysis methods and models to extract reliable parameters from the data.",

author = "Frank Ludwig and Olga Kazakova and Barqu{\'i}n, {Luis Fern{\'a}ndez} and Andrea Fornara and Lutz Trahms and Uwe Steinhoff and Peter Svedlindh and Erik Wetterskog and Pankhurst, {Quentin A.} and Paul Southern and Puerto Morales and Hansen, {Mikkel Fougt} and Cathrine Frandsen and Eva Olsson and Stefan Gustafsson and Nicole Gehrke and Kerstin L{\"u}dtke-Buzug and Cordula Gr{\"u}ttner and Christian Jonasson and Christer Johansson",

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Ludwig, F, Kazakova, O, Barquín, LF, Fornara, A, Trahms, L, Steinhoff, U, Svedlindh, P, Wetterskog, E, Pankhurst, QA, Southern, P, Morales, P, Hansen, MF, Frandsen, C, Olsson, E, Gustafsson, S, Gehrke, N, Lüdtke-Buzug, K, Grüttner, C, Jonasson, C & Johansson, C 2014, 'Magnetic, structural, and particle size analysis of single- and multi-core magnetic nanoparticles', IEEE Transactions on Magnetics, vol. 50, no. 11, 6971714. https://doi.org/10.1109/TMAG.2014.2321456

TY - JOUR

T1 - Magnetic, structural, and particle size analysis of single- and multi-core magnetic nanoparticles

AU - Ludwig, Frank

AU - Kazakova, Olga

AU - Barquín, Luis Fernández

AU - Fornara, Andrea

AU - Trahms, Lutz

AU - Steinhoff, Uwe

AU - Svedlindh, Peter

AU - Wetterskog, Erik

AU - Pankhurst, Quentin A.

AU - Southern, Paul

AU - Morales, Puerto

AU - Hansen, Mikkel Fougt

AU - Frandsen, Cathrine

AU - Olsson, Eva

AU - Gustafsson, Stefan

AU - Gehrke, Nicole

AU - Lüdtke-Buzug, Kerstin

AU - Grüttner, Cordula

AU - Jonasson, Christian

AU - Johansson, Christer

PY - 2014/11/1

Y1 - 2014/11/1

N2 - We have measured and analyzed three different commercial magnetic nanoparticle systems, both multi-core and single-core in nature, with the particle (core) size ranging from 20 to 100 nm. Complementary analysis methods and same characterization techniques were carried out in different labs and the results are compared with each other. The presented results primarily focus on determining the particle size - both the hydrodynamic size and the individual magnetic core size - as well as magnetic and structural properties. The used analysis methods include transmission electron microscopy, static and dynamic magnetization measurements, and Mössbauer spectroscopy. We show that particle (hydrodynamic and core) size parameters can be determined from different analysis techniques and the individual analysis results agree reasonably well. However, in order to compare size parameters precisely determined from different methods and models, it is crucial to establish standardized analysis methods and models to extract reliable parameters from the data.

AB - We have measured and analyzed three different commercial magnetic nanoparticle systems, both multi-core and single-core in nature, with the particle (core) size ranging from 20 to 100 nm. Complementary analysis methods and same characterization techniques were carried out in different labs and the results are compared with each other. The presented results primarily focus on determining the particle size - both the hydrodynamic size and the individual magnetic core size - as well as magnetic and structural properties. The used analysis methods include transmission electron microscopy, static and dynamic magnetization measurements, and Mössbauer spectroscopy. We show that particle (hydrodynamic and core) size parameters can be determined from different analysis techniques and the individual analysis results agree reasonably well. However, in order to compare size parameters precisely determined from different methods and models, it is crucial to establish standardized analysis methods and models to extract reliable parameters from the data.

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SN - 0018-9464

VL - 50

JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

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M1 - 6971714

ER -

Magnetic, structural, and particle size analysis of single- and multi-core magnetic nanoparticles

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