Dielectric relaxation in magnetoelectric composite 0.85BiFeO 3 –0.15MgFe 2 O 4

S. A. Gridnev; A. A. Kamynin; A. S. Shportenko; P. V. Kulakov; M. V. Hahlenkov; D. P. Kozlenko; B. N. Savenko; S. E. Kichanov; E. V. Lukin

doi:10.3103/S1062873816090173

Dielectric relaxation in magnetoelectric composite 0.85BiFeO₃–0.15MgFe₂O₄

Authors: Gridnev S.A.¹, Kamynin A.A.¹, Shportenko A.S.¹, Kulakov P.V.¹, Hahlenkov M.V.¹, Kozlenko D.P.², Savenko B.N.², Kichanov S.E.², Lukin E.V.²
Affiliations:
1. Voronezh State Technical University
2. Frank Laboratory of Neutron Physics
Issue: Vol 80, No 9 (2016)
Pages: 1092-1096
Section: Proceedings of the VIII (XIII) International Seminar on the Physics of Ferroelastics
URL: https://journals.rcsi.science/1062-8738/article/view/184817
DOI: https://doi.org/10.3103/S1062873816090173
ID: 184817

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Abstract

Dielectric properties of 0.85BiFeO₃–0.15MgFe₂O₄ composite fabricated with conventional ceramic technology are studied in the temperature interval of 20–250°C at frequencies of 25 Hz to 1 MHz. Dielectric relaxation is observed, the nature of which is discussed in the context of a mechanism of interaction between ferroelectric domain boundaries and point defects.