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Magnetic-field-induced phases in anisotropic triangular antiferromagnets: Application to CuCrO2

Shi-Zeng Lin, Kipton Barros, Eundeok Mun, Jae-Wook Kim, Matthias Frontzek, S. Barilo, S. V. Shiryaev, Vivien S. Zapf, and Cristian D. Batista
Phys. Rev. B 89, 220405(R) – Published 18 June 2014
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    Abstract

    We introduce a minimal spin model for describing the magnetic properties of CuCrO2. Our Monte Carlo simulations of this model reveal a rich magnetic-field-induced phase diagram, which explains the measured field dependence of the electric polarization. The sequence of phase transitions between different multiferroic states arises from a subtle interplay between spatial and spin anisotropy, magnetic frustration, and thermal fluctuations. Our calculations are compared to new measurements up to 92 T.

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    • Received 3 April 2014
    • Revised 4 June 2014

    DOI:https://doi.org/10.1103/PhysRevB.89.220405

    ©2014 American Physical Society

    Authors & Affiliations

    Shi-Zeng Lin1,2, Kipton Barros2, Eundeok Mun1,*, Jae-Wook Kim1, Matthias Frontzek3, S. Barilo4, S. V. Shiryaev4, Vivien S. Zapf1, and Cristian D. Batista2

    • 1National High Magnetic Field Laboratory (NHMFL), MPA-CMMS Group, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
    • 2Theoretical Division, Los Alamos National Laboratory (LANL), Los Alamos, New Mexico 87545, USA
    • 3Laboratory for Neutron Scattering, Paul Scherrer Institute, CH-5232 Villigen, Switzerland
    • 4Institute of Solid State and Semiconductor Physics, Minsk 220 072, Belarus

    • *Present address: Ames Laboratory, Ames, Iowa 50011.

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    Issue

    Vol. 89, Iss. 22 — 1 June 2014

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