Mean-field phase diagrams of AT2X2 compounds
M. L. Plumer
Abstract
Magnetic-field -- temperature phase diagrams of the axial next-nearest-neighbor Ising model are calculated within the framework of a Landau-type expansion of the free energy derived from molecular-field theory. Good qualitative agreement is found with recently reported results on body-centered-tetragonal UPd2Si2. This work is expected to also be relevant for related compounds.
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