Shape and surface anisotropy effects on the hysteresis of ferrimagnetic nanoparticles
✍ Scribed by Òscar Iglesias; Amı́lcar Labarta
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 288 KB
- Volume
- 272-276
- Category
- Article
- ISSN
- 0304-8853
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AbstractÐIn previous work, approximate solutions were found for paraboloids having perturbations with four-fold axial symmetry in order to model dendritic growth in cubic materials. These solutions provide self-consistent corrections through second order in a shape parameter e to the Peclet number v
We present the results of Monte Carlo simulations of a model of a single maghemite ferrimagnetic nanoparticle including radial surface anisotropy distinct from that in the core with the aim to clarify its role on the magnetization processes at low temperatures. The low-temperature equilibrium states