Maxwell–Wagner relaxation and magnetodielectric properties of Bi0.5La0.5MnO3 ceramics


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Abstract

The complex permittivity ε = ε′–iε″ of manganite bismuth–lanthanum Bi0.5La0.5MnO3 ceramics has been measured at temperature T = 78 K in the frequency range f = 200–105 Hz and in the magnetic induction range B = 0–5 T. Dielectric relaxation and the pronounced magnetodielectric effect have been detected. The explanation based on the superposition of Maxwell–Wagner relaxation and the magnetoresistance effect has been proposed.

About the authors

A. V. Turik

Research Institute of Physics; Southern Federal University

Author for correspondence.
Email: turik1934@yandex.ru
Russian Federation, pr. Stachki 194, Rostov-on-Don, 344090; ul. Bolshaya Sadovaya 105/42, Rostov-on-Don, 344006

A. V. Pavlenko

Research Institute of Physics; Southern Scientific Center of the Russian Academy of Sciences

Email: turik1934@yandex.ru
Russian Federation, pr. Stachki 194, Rostov-on-Don, 344090; ul. Chekhova 41, Rostov-on-Don, 344006

L. A. Reznichenko

Research Institute of Physics

Email: turik1934@yandex.ru
Russian Federation, pr. Stachki 194, Rostov-on-Don, 344090

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