Journal article
Interaction effects enhancing magnetic particle detection based on magneto-relaxometry
Applied physics letters, v 106(1), p12407
05 Jan 2015
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Abstract
We investigated the effects of dipolar interactions on the long-time magnetization decay M(t) in clusters of magnetic nanoparticles. Applying the Neel-Arrhenius thermal activation picture shows that M(t) generally follows stretched exponential behavior, dependent not only on the dipolar interaction strength, geometry of particle arrangement within clusters, but also on the field history applied during the initialization. As demonstrated, combining these factors could serve to enhance the degree of resolution in magnetic particle detection based on magneto-relaxometry. (C) 2015 AIP Publishing LLC.
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Details
- Title
- Interaction effects enhancing magnetic particle detection based on magneto-relaxometry
- Creators
- O. Laslett - University of SouthamptonS. Ruta - University of YorkJ. Barker - University of YorkR. W. Chantrell - University of YorkG. Friedman - Drexel UniversityO. Hovorka - University of Southampton
- Publication Details
- Applied physics letters, v 106(1), p12407
- Publisher
- American Institute of Physics
- Number of pages
- 4
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Web of Science ID
- WOS:000347976900034
- Scopus ID
- 2-s2.0-84923773084
- Other Identifier
- 991019169623704721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Applied