UNSPECIFIED. (2004) Magnetic properties of Ising thin films with cubic lattices. PHYSICAL REVIEW B, 70 (10). -. ISSN 1098-0121

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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.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICAL REVIEW B
Publisher:	AMERICAN PHYSICAL SOC
ISSN:	1098-0121
Official Date:	September 2004
Volume:	70
Number:	10
Number of Pages:	9
Page Range:	-
Identification Number:	10.1103/PhysRevB.70.104413
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/7950

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