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Influence of Induced Electrical Polarization on the Magnetoresistance and Magnetoimpedance in the Spin‐Disordered TmxMn1−xS Solid Solution / S. S. Aplesnin [et al.] // Phys. Status Solidi B. - 2019. - Vol. 256, Is. 10. - Ст. 1900043, DOI 10.1002/pssb.201900043. - Cited References: 25
. - ISSN 0370-1972
Кл.слова (ненормированные):
Debye model -- infrared spectroscopy -- magnetoresistance, magnetoimpedance -- thermal expansion coefficient -- thermionic current
Аннотация: The transport properties of the TmxMn1–xS (x ≤ 0.15) solid solutions in the temperature range of 200–600 K have been investigated. The temperatures of lattice polaron pinning accompanied by the lattice strain, condensation of the infrared modes, and thermionic emission have been determined. The change of the carrier sign with temperature has been found from the Hall coefficient data and dragging of electrons by phonons, from the thermopower data. The dependence of the magnetoresistance on the concentration, current, and voltage has been established from the I–V characteristics measured without field and in an applied magnetic field of H = 8 kOe in the temperature range of 300–500 K. The functional temperature dependence of the carrier relaxation time has been determined using the impedance data. The concentration region with the magnetoimpedance sign varying with frequency and temperature has been found. The increase in the relaxation time of the induced electric polarization with increasing concentration of thulium ions has been observed. The experimental data have been interpreted in the framework of the Debye and Maxwell–Wagner models, as well as the theoretical model for the Rashba spin–orbit interaction.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50, bld. 38, Krasnoyarsk, 660036, Russian Federation
Reshetnev Siberian State University of Science and Technology, “Krasnoyarskiy rabochiy” Ave., 31, Krasnoyarsk, 660037, Russian Federation
Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Sitnikov, M. N.; Kharkov, A. M.; Masyugin, A. N.; Kretinin, V. V.; Fisenko, O. B.; Gorev, M. V.; Горев, Михаил Васильевич
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