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Theoretical study of the multiferroic properties of DyFeWO $$_6$$ 6

Author

Listed:
  • I. N. Apostolova

    (University of Forestry)

  • A. T. Apostolov

    (Civil Engineering and Geodesy)

  • J. M. Wesselinowa

    (University of Sofia)

Abstract

Magnetization M, specific heat $$C_p$$ C p , polarization P and dielectric constant $$\epsilon $$ ϵ of DyFeWO $$_6$$ 6 are investigated for the first time using a microscopic model and the Green’s function technique. The magnetic field dependence of M for temperatures below and above $$T_N$$ T N is observed. $$C_p$$ C p shows an anomaly at the Neel temperature $$T_N$$ T N which disappears by applying an external magnetic field h. P decreases with increasing h. The antiferromagnetic transition in DyFeWO $$_6$$ 6 is accompanied by a peak in $$\epsilon $$ ϵ . With increasing magnetic field the peak decreases, shifts to smaller $$T_N$$ T N values, and for strong magnetic fields vanishes. The magnetic field behaviour of P and $$\epsilon $$ ϵ is an evidence for the multiferroicity of DyFeWO $$_6$$ 6 . The observed results are in good qualitative agreement with the existing experimental data. Graphic abstract

Suggested Citation

  • I. N. Apostolova & A. T. Apostolov & J. M. Wesselinowa, 2022. "Theoretical study of the multiferroic properties of DyFeWO $$_6$$ 6," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 95(8), pages 1-8, August.
    • Handle: RePEc:spr:eurphb:v:95:y:2022:i:8:d:10.1140_epjb_s10051-022-00396-9
    DOI: 10.1140/epjb/s10051-022-00396-9
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