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Effective particle magnetic moment of multi-core particles
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2015 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 380, 221-226 p.Article in journal (Refereed) Published
Abstract [en]

In this study we investigate the magnetic behavior of magnetic multi-core particles and the differences in the magnetic properties of multi-core and single-core nanoparticles and correlate the results with the nanostructure of the different particles as determined from transmission electron microscopy (TEM). We also investigate how the effective particle magnetic moment is coupled to the individual moments of the single-domain nanocrystals by using different measurement techniques: DC magnetometry, AC susceptometry, dynamic light scattering and TEM. We have studied two magnetic multi-core particle systems BNF Starch from Micromod with a median particle diameter of 100 am and FeraSpin R from nanoPET with a median particle diameter of 70 nm - and one single-core particle system - SHP25 from Ocean NanoTech with a median particle core diameter of 25 nm. (C) 2014 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2015. Vol. 380, 221-226 p.
Keyword [en]
Magnetic nanoparticles, Magnetic relaxation, Multi-core particles, Single-core particles
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Other Physics Topics Engineering and Technology
Research subject
Engineering Science with specialization in Solid State Physics
Identifiers
URN: urn:nbn:se:uu:diva-246781DOI: 10.1016/j.jmmm.2014.09.070ISI: 000349360800038OAI: oai:DiVA.org:uu-246781DiVA: diva2:797183
Available from: 2015-03-23 Created: 2015-03-10 Last updated: 2017-12-04Bibliographically approved

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Wetterskog, ErikSvedlindh, Peter

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