期刊
EUROPEAN PHYSICAL JOURNAL B
卷 95, 期 8, 页码 -出版社
SPRINGER
DOI: 10.1140/epjb/s10051-022-00396-9
关键词
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资金
- Center for Research and Design of the University of Architecture, Civil Engineering and Geodesy [BN-257/22]
This study investigated the magnetic and thermal properties of DyFeWO6 for the first time using a microscopic model and the Green's function technique. The results show that DyFeWO6 exhibits multiferroicity and its properties are influenced by the magnetic field.
Magnetization M, specific heat C-p, polarization P and dielectric constant epsilon of DyFeWO6 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 is observed. C-p shows an anomaly at the Neel temperature T-N which disappears by applying an external magnetic field h. P decreases with increasing h. The antiferromagnetic transition in DyFeWO6 is accompanied by a peak in epsilon. With increasing magnetic field the peak decreases, shifts to smaller T-N values, and for strong magnetic fields vanishes. The magnetic field behaviour of P and epsilon is an evidence for the multiferroicity of DyFeWO6. The observed results are in good qualitative agreement with the existing experimental data.
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