The Phase Diagram of the Second-Type Antiferromagnet
T. Balcerzak and A. Radomska
Department of Solid State Physics, University of Łódź, Pomorska 149/153, 90-236 Łódź, Poland
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We investigate theoretically the phase diagrams of the second-type antiferromagnet with the fcc structure. Besides the nearest-neighbour and next-nearest-neighbour exchange interactions, the biquadratic and long-range dipolar terms are taken into account. The results can be useful to discuss the phase diagram of europium telluride under external pressure.
DOI: 10.12693/APhysPolA.97.775
PACS numbers: 75.10.-b, 75.50.Ee, 75.50.Pp