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Phase competition in frustrated anisotropic antiferromagnet in strong magnetic field. / Utesov, O. I.; Syromyatnikov, A. V.

In: Journal of Magnetism and Magnetic Materials, Vol. 527, 167732, 01.06.2021.

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@article{9d0b4026133e4dabace0fbe1978d35c7,
title = "Phase competition in frustrated anisotropic antiferromagnet in strong magnetic field",
abstract = "We discuss theoretically a frustrated Heisenberg antiferromagnet in magnetic field close to the saturation one. It is demonstrated that a small biaxial anisotropy and/or the magnetic dipolar interaction produce a delicate balance between phases with a commensurate canted, incommensurate helical (conical), and fan spin orderings. As a result, different sequences of phase transitions are realized depending on values of these small anisotropic interactions. We derive analytical expressions for critical fields and ground-state energies of the phases which are in a quantitative agreement with our and previous Monte-Carlo simulations.",
keywords = "Classical Monte-Carlo modelling, Conical phase, Fan phase, Frustrated Heisenberg antiferromagnets, Frustrated helimagnets, Magnetic field-induced phase transitions",
author = "Utesov, {O. I.} and Syromyatnikov, {A. V.}",
note = "Funding Information: The reported study was funded by RFBR according to the research project 18-02-00706. Publisher Copyright: {\textcopyright} 2021 Elsevier B.V. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",
year = "2021",
month = jun,
day = "1",
doi = "10.1016/j.jmmm.2021.167732",
language = "English",
volume = "527",
journal = "Journal of Magnetism and Magnetic Materials",
issn = "0304-8853",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Phase competition in frustrated anisotropic antiferromagnet in strong magnetic field

AU - Utesov, O. I.

AU - Syromyatnikov, A. V.

N1 - Funding Information: The reported study was funded by RFBR according to the research project 18-02-00706. Publisher Copyright: © 2021 Elsevier B.V. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/6/1

Y1 - 2021/6/1

N2 - We discuss theoretically a frustrated Heisenberg antiferromagnet in magnetic field close to the saturation one. It is demonstrated that a small biaxial anisotropy and/or the magnetic dipolar interaction produce a delicate balance between phases with a commensurate canted, incommensurate helical (conical), and fan spin orderings. As a result, different sequences of phase transitions are realized depending on values of these small anisotropic interactions. We derive analytical expressions for critical fields and ground-state energies of the phases which are in a quantitative agreement with our and previous Monte-Carlo simulations.

AB - We discuss theoretically a frustrated Heisenberg antiferromagnet in magnetic field close to the saturation one. It is demonstrated that a small biaxial anisotropy and/or the magnetic dipolar interaction produce a delicate balance between phases with a commensurate canted, incommensurate helical (conical), and fan spin orderings. As a result, different sequences of phase transitions are realized depending on values of these small anisotropic interactions. We derive analytical expressions for critical fields and ground-state energies of the phases which are in a quantitative agreement with our and previous Monte-Carlo simulations.

KW - Classical Monte-Carlo modelling

KW - Conical phase

KW - Fan phase

KW - Frustrated Heisenberg antiferromagnets

KW - Frustrated helimagnets

KW - Magnetic field-induced phase transitions

UR - http://www.scopus.com/inward/record.url?scp=85100414197&partnerID=8YFLogxK

U2 - 10.1016/j.jmmm.2021.167732

DO - 10.1016/j.jmmm.2021.167732

M3 - Article

AN - SCOPUS:85100414197

VL - 527

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

M1 - 167732

ER -

ID: 74070293