Structure and Dielectric Properties of Bi 0.80 Gd 0.20– x  La  x  FeO 3  Multiferroics

I. I. Makoed; A. F. Ravinski; N. I. Gorbachuk; A. V. Pashchenko; N. A. Liedienov; A. A. Amirov; D. M. Yusupov; K. I. Janushkevich

doi:10.3103/S1062873818050210

Structure and Dielectric Properties of Bi_0.80Gd_0.20–xLa_xFeO₃ Multiferroics

Autores: Makoed I.I.¹, Ravinski A.F.², Gorbachuk N.I.³, Pashchenko A.V.⁴^,5, Liedienov N.A.⁴, Amirov A.A.⁶^,7, Yusupov D.M.⁶, Janushkevich K.I.⁸
Afiliações:
1. Pushkin State University
2. Bialystok University of Technology
3. Belarusian State University
4. Galkin Institute for Physics and Engineering
5. Tugan-Baranovsky National University of Economics and Trade
6. Amirkhanov Institute of Physics, Dagestan Scientific Center
7. Kant Baltic Federal University
8. Scientific and Practical Materials Research Center
Edição: Volume 82, Nº 5 (2018)
Páginas: 570-573
Seção: Article
URL: https://journals.rcsi.science/1062-8738/article/view/185390
DOI: https://doi.org/10.3103/S1062873818050210
ID: 185390

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Resumo

The structural and dielectric properties of Bi_0.80Gd_0.20–xLa_xFeO₃ (x = 0–0.20) samples are studied by means of X-ray diffraction and dielectric spectroscopy. Room-temperature dielectric functions are examined experimentally at 1–10¹⁰ Hz. The dielectric properties are characterized theoretically using the Debye model with Cole–Cole and Cole–Davidson distributions of relaxation times. Correlations between structural parameters and dielectric properties are established.