Abstract
The capacity and the dielectric loss tangent of a Gd x Mn1–xSe (x ≤ 0.2) solid solution have been measured in the frequency range 1–300 kHz without a magnetic field and in a magnetic field of 8 kOe in the temperature range 100–450 K, and the magnetic moment of the solid solution has been measured in a field of 8.6 kOe. The magnetocapacity effect and the change in the magnetocapacity sign have been observed in room temperature in the paramagnetic region. A correlation of the changes in the dielectric permittivity and the magnetic susceptibility with temperature has been revealed. The magnetocapacity is described using the model with orbital electron ordering and the Maxwell–Wagner model.
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Original Russian Text © S.S. Aplesnin, M.N. Sitnikov, A.M. Zhivul’ko, 2018, published in Fizika Tverdogo Tela, 2018, Vol. 60, No. 4, pp. 670–676.
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Aplesnin, S.S., Sitnikov, M.N. & Zhivul’ko, A.M. Change in the Magnetocapacity in the Paramagnetic Region in a Cation-Substituted Manganese Selenide. Phys. Solid State 60, 673–680 (2018). https://doi.org/10.1134/S1063783418040029
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DOI: https://doi.org/10.1134/S1063783418040029