Energy barrier distributions for magnetic nanoparticles with competing cubic and uniaxial anisotropies

M. J. Correia, W. Figueiredo*, W. Schwarzacher

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

10 Citations (Scopus)

Abstract

We report in this study the effect of the competition between cubic and uniaxial anisotropies on the magnetic properties of magnetic nanoparticles. We have employed Monte Carlo simulations in our calculations and we have seen that the observed behavior is very different for the cases where easy uniaxial axes are completely random oriented or parallel to an external magnetic field. We have also calculated the effective energy barrier distribution probed during the isothermal magnetic relaxation and a two peak structure is observed only for a random orientation of uniaxial axes.

Original languageEnglish
Pages (from-to)3366-3371
Number of pages6
JournalPhysics Letters A
Volume378
Issue number45
DOIs
Publication statusPublished - 3 Oct 2014

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