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Fizika Tverdogo Tela, 2018, Volume 60, Issue 9, Pages 1811–1814
DOI: https://doi.org/10.21883/FTT.2018.09.46403.048
(Mi ftt9089)
 

Phase transitions

Thermal physical and dielectric properties of Bi$_{1-x}$Er$_{x}$FeO$_{3}$

S. N. Kallaeva, Z. M. Omarova, A. R. Bilalova, A. Ya. Kurbaitaeva, L. A. Reznichenkob, S. W. Khasbulatovb, R. M. Ferzilaeva

a Daghestan Institute of Physics after Amirkhanov, Makhachkala, Dagestan, Russia
b Research Institute of Physics, Southern Federal University, Rostov-on-Don
Abstract: The heat capacity and the permittivity of multiferroics Bi$_{1-x}$Er$_{x}$FeO$_{3}$ ($x$ = 0, 0.10, and 0.15) have been studied in the temperature range 130–800 K. It is found that an insignificant substitution of erbium for bismuth significantly increases the heat capacity in a wide temperature range $T>$ 300 K. The temperature dependence of the excess heat capacity is shown to be due to manifestation of the three-level states. An additional anomaly characteristic of a phase transition has been revealed in the temperature dependences of the heat capacity and the permittivity for the compositions with $x$ = 0.15 at $T$ = 587 K. The results of studies are discussed in combination of the data of structural studies.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 3.6371.2017/8.9
Received: 21.02.2018
English version:
Physics of the Solid State, 2018, Volume 60, Issue 9, Pages 1861–1864
DOI: https://doi.org/10.1134/S1063783418090135
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. N. Kallaev, Z. M. Omarov, A. R. Bilalov, A. Ya. Kurbaitaev, L. A. Reznichenko, S. W. Khasbulatov, R. M. Ferzilaev, “Thermal physical and dielectric properties of Bi$_{1-x}$Er$_{x}$FeO$_{3}$”, Fizika Tverdogo Tela, 60:9 (2018), 1811–1814; Phys. Solid State, 60:9 (2018), 1861–1864
Citation in format AMSBIB
\Bibitem{KalOmaBil18}
\by S.~N.~Kallaev, Z.~M.~Omarov, A.~R.~Bilalov, A.~Ya.~Kurbaitaev, L.~A.~Reznichenko, S.~W.~Khasbulatov, R.~M.~Ferzilaev
\paper Thermal physical and dielectric properties of Bi$_{1-x}$Er$_{x}$FeO$_{3}$
\jour Fizika Tverdogo Tela
\yr 2018
\vol 60
\issue 9
\pages 1811--1814
\mathnet{http://mi.mathnet.ru/ftt9089}
\crossref{https://doi.org/10.21883/FTT.2018.09.46403.048}
\elib{https://elibrary.ru/item.asp?id=36903703}
\transl
\jour Phys. Solid State
\yr 2018
\vol 60
\issue 9
\pages 1861--1864
\crossref{https://doi.org/10.1134/S1063783418090135}
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