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Title: Magnetic properties of Ising thin films with cubic lattices
Authors: Y. Laosiritaworn
J. Poulter
J. B. Staunton
Chiang Mai University
Mahidol University
The University of Warwick
Keywords: Physics and Astronomy
Issue Date: 1-Sep-2004
Citation: Physical Review B - Condensed Matter and Materials Physics. Vol.70, No.10 (2004)
Abstract: We have used Monte Carlo simulations and mean-field analysis to observe the magnetic behavior of Ising thin films with cubic lattice structures as a function of temperature and thickness, especially in the critical region. Magnetization and magnetic susceptibility, including layer variation, are investigated. We find that the magnetic behavior changes from two-dimensional to three-dimensional character with increasing film thickness. Both the crossover of the critical temperature from a two-dimensional to a bulk value and the shift exponent are observed. Nevertheless, with support from a scaling function, the simulations show that the effective critical exponents for films with large enough layer extents only vary a little from their two-dimensional values. This, in particular, provides an indication of two-dimensional universality in the thin films.
ISSN: 01631829
Appears in Collections:Scopus 2001-2005

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