Open AccessСмена знака магнитоемкости в парамагнитной области в катион-замещенном селениде марганца
Author(s) -
С.С. Аплеснин,
М.Н. Ситников,
А.М. Живулько
Publication year - 2018
Publication title -
fizika tverdogo tela
Language(s) - English
Resource type - Journals
eISSN - 1726-7498
pISSN - 0367-3294
DOI - 10.21883/ftt.2018.04.45673.286
Subject(s) - condensed matter physics , paramagnetism , dielectric , magnetic field , permittivity , materials science , atmospheric temperature range , nuclear magnetic resonance , dissipation factor , physics , thermodynamics , quantum mechanics , optoelectronics
The capacity and the dielectric loss tangent of a Gd_ x Mn_1– x Se ( 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.