Abstract
A calculation is presented via the effective-field theory used in the transverse Ising model (TIM) for the Curie temperature of a ferroelectric superlattice formed from two alternating materials. The dependence of the Curie temperature on the interface coupling strength J AB and the layer-number of the two slabs in one period was calculated. Finally, we compared the results of the effective-field theory with those of mean-field theory.
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