Surface magnetic properties of an anisotropic free surface in the semi-infinite Ising model

A. Benyoussef, A. El Kenz and H. Ez-Zahraouy

Physica A: Statistical Mechanics and its Applications, 1993, vol. 193, issue 1, 123-132

Abstract: The influence of anisotropy on the phase transitions of a semi-infinite three-dimensional Ising model is investigated by the use of the effective field theory. The surface magnetism is examined as a function of Δ = Jy/J − 1 and α = Jx/Jy, where Jx and Jy are the nearest-neighbor exchange constants in the free surface and J in the volume. The critical values Δc, transition temperatures and phase diagrams for surface ordering are given as functions of α and Δ. The reduced magnetization curves of a surface and bulk are also studied.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:193:y:1993:i:1:p:123-132

DOI: 10.1016/0378-4371(93)90219-T

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