Mean-field phase diagrams of $AT_2X_2$ compounds

Canada); M.L. Plumer (Centre de Recherche en Physique du Solide et D\'epartement de Physique; Qu\'ebec; Sherbrooke; Universit\'e de Sherbrooke

arxiv: cond-mat/9406042 · v1 · submitted 1994-06-08 · ❄️ cond-mat

Mean-field phase diagrams of AT₂X₂ compounds

M.L. Plumer (Centre de Recherche en Physique du Solide et D\'epartement de Physique , Universit\'e de Sherbrooke , Sherbrooke , Qu\'ebec , Canada) This is my paper

classification ❄️ cond-mat

keywords compoundsdiagramsphaseagreementaxialbody-centered-tetragonalcalculatedderived

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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 $UPd_2Si_2$. This work is expected to also be relevant for related compounds.

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Mean-field phase diagrams of AT₂X₂ compounds

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