Publication: Magnetic properties of Ising thin films with cubic lattices
Issued Date
2004-09-01
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ISSN
01631829
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2-s2.0-19744381510
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Mahidol University
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SCOPUS
Bibliographic Citation
Physical Review B - Condensed Matter and Materials Physics. Vol.70, No.10 (2004)
Suggested Citation
Y. Laosiritaworn, J. Poulter, J. B. Staunton Magnetic properties of Ising thin films with cubic lattices. Physical Review B - Condensed Matter and Materials Physics. Vol.70, No.10 (2004). doi:10.1103/PhysRevB.70.104413 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/21818
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Title
Magnetic properties of Ising thin films with cubic lattices
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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.