Monte Carlo simulation of magnetization reversal in Fe sesquilayers on W(110)

M. Kolesik, M. Novotny

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


Iron sesquilayers grown at room temperature on W(110) exhibit a pronounced coercivity maximum near a coverage of 1.5 atomic monolayers. On lattices which faithfully reproduce the morphology of the real films, a kinetic Ising model is utilized to simulate the domain-wall motion. Simulations reveal that the dynamics is dominated by the second-layer islands, which act as pinning centers. The simulated dependences of the coercivity on the film coverage, as well as on the temperature and the frequency of the applied field, are very similar to those measured in experiments. Unlike previous micromagnetic models, the presented approach provides insight into the dynamics of the domain-wall motion and clearly reveals the role of thermal fluctuations.

Original languageEnglish (US)
Pages (from-to)11791-11796
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number18
StatePublished - 1997

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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