Stability of magnetic configurations in nanorings
P. Landeros, J. Escrig, D. Altbir, M. Bahiana, J. d'Albuquerque e, Castro
TL;DR
This paper analyzes the stability of different magnetic configurations in nanorings, providing analytical phase diagrams to guide the design of rings with desired magnetic properties.
Contribution
It offers a theoretical framework with analytical energy calculations to predict magnetic phase stability in nanorings based on geometry.
Findings
Phase diagrams for vortex, onion, and ferromagnetic states
Analytical energy models for each configuration
Guidelines for producing rings with specific magnetic properties
Abstract
The relative stability of the vortex, onion and ferromagnetic phases in nanorings is examined as a function of the ring geometry. Total energy calculations are carried out analytically, based on simple models for each configuration. Results are summarized by phase diagrams, which might be used as a guide to the production of rings with specific magnetic properties.
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