Theoretical Investigation of the Complete Phase Diagram of the SmMn2Ge2 Metamagnet |
| P. Polaszek and Z. Onyszkiewicz Magnetism Theory Division, Institute of Physics, A. Mickiewicz University, Matejki 48/49, 60-769 Poznań, Poland |
| Received: June 14, 1993; in final form: October 20, 1993 |
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| A two-sublattice Ising model with spatial four-spin and six-spin anisotropy added in order to describe SmMn2Ge2 metamagnet is discussed. The complete phase diagrams for this metamagnet as a function of hydrostatic pressure are obtained. |
| DOI: 10.12693/APhysPolA.84.1101 PACS numbers: 75.30.Kz |