Supersolid magnetic phase in the two-dimensional Ising-like antiferromagnet with strong single-ion anisotropy

The Ising model with the frustrated exchange interaction for strongly anisotropic antiferromagnetic ultrathin film is investigated in the mean field approximation at low temperatures. It is shown that a spatially inhomogeneous state can be accomplished in the system at a certain relation of material...

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Bibliographic Details
Published in:Physics of the solid state 2017-09, Vol.59 (9), p.1739-1747
Main Authors: Meleshko, A. G., Klevets, Ph. N., Gorelikov, G. A., Kosmachev, O. A., Fridman, Yu. A.
Format: Article
Language:English
Subjects:
Analysis
Anisotropy
Antiferromagnetism
Atoms
Ferromagnetic materials
Ferromagnetism
Ising model
Magnetism
Physics
Physics and Astronomy
Solid State Physics
Stability analysis
Two dimensional models
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Summary:The Ising model with the frustrated exchange interaction for strongly anisotropic antiferromagnetic ultrathin film is investigated in the mean field approximation at low temperatures. It is shown that a spatially inhomogeneous state can be accomplished in the system at a certain relation of material constants values, along with homogeneous states: ferromagnetic, quadrupolar or supersolid magnetic phases. The phase diagram of the system is built on the basis of stability lines analysis.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783417090190