Features of the Domain Boundaries of a Highly Anisotropic (S = 1) Antiferromagnet near the Transition to the Quantum Paramagnet Phase

It is shown that the structure of antiphase domain boundaries in the antiferromagnetic (AFM) phase of a highly anisotropic magnet with S = 1 on a two-dimensional square lattice depends greatly on single-ion anisotropy parameter D . Computer modeling on large square lattices illustrates the changes i...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2019-07, Vol.83 (7), p.812-814
Main Authors: Konev, V. V., Ulitko, V. A., Yasinskaya, D. N., Panov, Y. D., Moskvin, A. S.
Format: Article
Language:English
Subjects:
Hadrons
Heavy Ions
Nuclear Physics
Physics
Physics and Astronomy
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Summary:It is shown that the structure of antiphase domain boundaries in the antiferromagnetic (AFM) phase of a highly anisotropic magnet with S = 1 on a two-dimensional square lattice depends greatly on single-ion anisotropy parameter D . Computer modeling on large square lattices illustrates the changes in the boundary structure from the quantum paramagnet (QP) to the XY phase, including the intermediate QP– XY phase at fairly small variations in positive D .
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873819070232