Finite dipolar hexagonal columns on piled layers of triangular lattice

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dc.creatorMatsushita, Katsuyoshi
dc.creatorSugano, Ryoko
dc.creatorKuroda, Akiyoshi
dc.creatorTomita, Yusuke
dc.creatorTakayama, Hajime
dc.date2006-10-05
dc.date.accessioned2026-07-07T07:53:35Z
dc.date.available2026-07-07T07:53:35Z
dc.descriptionWe have investigated, by the Monte Carlo simulation, spin systems which represent moments of arrayed magnetic nanoparticles interacting with each other only by the dipole-dipole interaction. In the present paper we aim the understanding of finite size effects on the magnetic nanoparticles arrayed in hexagonal columns cut out from the close-packing structures or from those with uniaxial compression. In columns with the genuine close-packing structures, we observe a single vortex state which is also observed previously in finite 2-dimensional systems. On the other hand in the system with the inter-layer distance set $1/\sqrt{2}$ times of the close-packing one, we found ground states which depend on the number of layers. The dependence is induced by a finite size effect and is related to a orientation transition in the corresponding bulk system.
dc.description3 pages, 2 figures. Proceedings of the International Conference on Magnetism 2006 (ICM2006) conference. To appear in a special volume of Journal of Magnetism and Magnetic Materials
dc.identifierhttps://arxiv.org/abs/cond-mat/0610137
dc.identifierhttp://arxiv.org/abs/cond-mat/0610137
dc.identifierJ. Magn. Magn. Mater. 310 (2007) 1416-1418
dc.identifierdoi:10.1016/j.jmmm.2006.10.426
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/126274
dc.subjectStatistical Mechanics
dc.subjectMaterials Science
dc.titleFinite dipolar hexagonal columns on piled layers of triangular lattice
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