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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. © 1965-2012 IEEE.
Fuente: IEEE TRANSACTIONS ON MAGNETICS, VOL. 50, NO. 11, NOVEMBER 2014
Editorial: Institute of Electrical and Electronics Engineers Inc.
Fecha de publicación: 01/11/2014
Tipo de publicación: Artículo de Revista
DOI: 10.1109/TMAG.2014.2321456
ISSN: 0018-9464,1941-0069
Url de la publicación: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6971714
Leer publicación
LUDWIG, F.
KAZAKOVA, O.
LUIS FERNANDEZ BARQUIN
FORNARA, A.
TRAHMS, L.
STEINHOFF, U.
SVEDLINDH, P.
WETTERSKOG, E.
PANKHURST, Q. A.
SOUTHERN, P.
MORALES, P.
HANSEN, MIKKEL F.
FRANDSEN, C.
OLSSON, E.
GUSTAFSSON, S.
GEHRKE, N.
LÜDTKE-BUZUG, K.
GRÜTTNER, C.
JONASSON, C.
JOHANSSON, C.
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