On the ground states of an array of magnetic dots in the vortex state and subject to a normal magnetic field
| dc.creator | Bishop, J. E. L. | |
| dc.creator | Galkin, A. Yu. | |
| dc.creator | Ivanov, B. A. | |
| dc.date | 2001-11-12 | |
| dc.date.accessioned | 2026-07-07T02:43:29Z | |
| dc.date.available | 2026-07-07T02:43:29Z | |
| dc.description | Dipole-dipole interactions in a square planar array of sub-micron magnetic disks (magnetic dots) have been studied theoretically. Under a normal magnetic field the ground-state of the array undergoes many structural transitions between the limiting chessboard antiferromagnetic state at zero field and the ferromagnet at a threshold field. At intermediate fields, numerous ferrimagnetic states having mean magnetic moments between zero and that of the ferromagnetic state are favorable energetically. The structures and energies of a selection of states are calculated and plotted, as are the fields required to optimally reverse the magnetic moment of a single dot within them. Approximate formulae for the dipolar energy and anhysteretic magnetization curve are presented. | |
| dc.description | 11 pages,6 figures | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0111225 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0111225 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/18518 | |
| dc.subject | Materials Science | |
| dc.title | On the ground states of an array of magnetic dots in the vortex state and subject to a normal magnetic field | |
| dc.type | text |