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Beyond the blocking model to fit nanoparticle ZFC/FC magnetisation curves

We consider the probability of a magnetic nanoparticle to flip its magnetisation near the blocking temperature, and use this to develop quasi-analytic expressions for the zero-field-cooled and field-cooled magnetisation, which go beyond the usual critical energy barrier approach to the superparamagn...

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Detalles Bibliográficos
Autores principales: Livesey, K. L., Ruta, S., Anderson, N. R., Baldomir, D., Chantrell, R. W., Serantes, D.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6057925/
https://www.ncbi.nlm.nih.gov/pubmed/30042438
http://dx.doi.org/10.1038/s41598-018-29501-8