Mean-field phase diagrams ofAT2X2compounds

M. L. Plumer
1994 Physical Review B (Condensed Matter)  
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.
doi:10.1103/physrevb.50.13003 pmid:9975476 fatcat:fs3icdds3vcllpqnr24upwzuoq