Magnetic domain patterns under an oscillating field

Kazue Kudo, Katsuhiro Nakamura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

We investigate domain patterns in a ferromagnetic thin film under an oscillating field. Using a simple two-dimensional Ising-like model, we simulate various kinds of domain patterns and discuss the mechanism of the appearance of those patterns. The simulations of several kinds of lattice patterns shows that the type of a lattice (e.g., square or hexagonal) depends on the amplitude and frequency of the field. Under some conditions, we observe traveling stripe patterns that moves very slowly compared with the frequency of the field. In the case of a high-frequency field, a concentric-ring pattern can appear around a strong defect. Those patterns are explained theoretically by two different methods.

Original languageEnglish
Title of host publication7th International Summer School/Conference "Let's Face Chaos Through Nonlinear Dynamics" - Dedicated to the 65th Birthday of Professor Giulio Casati
EditorsValery G. Romanovski, Marko Robnik
PublisherAmerican Institute of Physics Inc.
Pages129-136
Number of pages8
ISBN (Electronic)9780735406070
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event7th International Summer School/Conference "Let's Face Chaos Through Nonlinear Dynamics" - Maribor, Slovenia
Duration: 2008 Jun 292008 Jul 13

Publication series

NameAIP Conference Proceedings
Volume1076
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference7th International Summer School/Conference "Let's Face Chaos Through Nonlinear Dynamics"
Country/TerritorySlovenia
CityMaribor
Period08/6/2908/7/13

Keywords

  • magnetic domain pattern
  • oscillating field
  • pattern formation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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