Abstract
In the quest for a nanostructure capable to support nonlinear excitations we have studied the behavior of a possible magnetic nanoparticle with the same geometry as the organic molecule Kekulene. Exchange and dipole interactions are considered between the constituting particles in the molecule. Using Monte Carlo simulations, we have found that stable magnetic vortices develop and are stable in a wide range of temperature (T) and dipole anisotropies (δ=D/J). The importance on synthesizing such molecule grounds in the possibility of building real planar structures. It is worthy to mention that such Kekulene-like molecule is a planar structure with atomic thickness, which is a great advantage compared with other possibilities being of size at least 10 times smaller than earlier proposed permalloy nanodots.
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