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Effective particle magnetic moment of multi-core particles
RISE, Swedish ICT, Acreo.
RISE, Swedish ICT, Acreo.
RISE, Swedish ICT, Acreo.ORCID iD: 0000-0002-6148-3574
RISE, Swedish ICT, Acreo.
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2015 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 380, p. 221-226Article 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 nm 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.

Place, publisher, year, edition, pages
2015. Vol. 380, p. 221-226
Keywords [en]
Magnetic nanoparticles, Magnetic relaxation, Multi-core particles, Single-core particles
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-31914DOI: 10.1016/j.jmmm.2014.09.070OAI: oai:DiVA.org:ri-31914DiVA, id: diva2:1151772
Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2019-07-08Bibliographically approved

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Blomgren, JakobJohansson, Christer

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