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TVT, 2015, Volume 53, Issue 4, Pages 636–639 (Mi tvt5756)  

This article is cited in 1 scientific paper (total in 1 paper)

Short Communications

Heat capacity of nanocrystalline bismuth ferrite

S. N. Kallaevab, Z. M. Omarovb, D. K. Palchaeva, M. Kh. Rabadanova, Zh. Kh. Murlievaa, M. P. Faradzhevaa, S. A. Sadykova

a Daghestan State University, Makhachkala
b Daghestan Institute of Physics after Amirkhanov

Abstract: The heat capacity of the nanocrystalline multiferroic $\mathrm{BiFeO}_3$ was studied in a wide temperature interval of $150$$800$ K. It was found that the heat capacity nanocrystalline of bismuth ferrite in the temperature range of $350$$570$ K is noticeably larger than that of the microcrystalline sample. It was shown that the temperature dependence of the excess heat capacity is due to the manifestation of the Schottky effect for the three-level states appearing as a result of the structural distortions. The anomaly of the heat capacity typical for the phase transition, the manifestation of which depends on crystallite sizes, was discovered in the temperature range of $T \approx 720$$750$ K.

DOI: https://doi.org/10.7868/S0040364415040158

Full text: PDF file (575 kB)
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English version:
High Temperature, 2015, 53:4, 601–604

Bibliographic databases:

UDC: 536.631
Received: 25.11.2014

Citation: S. N. Kallaev, Z. M. Omarov, D. K. Palchaev, M. Kh. Rabadanov, Zh. Kh. Murlieva, M. P. Faradzheva, S. A. Sadykov, “Heat capacity of nanocrystalline bismuth ferrite”, TVT, 53:4 (2015), 636–639; High Temperature, 53:4 (2015), 601–604

Citation in format AMSBIB
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\by S.~N.~Kallaev, Z.~M.~Omarov, D.~K.~Palchaev, M.~Kh.~Rabadanov, Zh.~Kh.~Murlieva, M.~P.~Faradzheva, S.~A.~Sadykov
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\vol 53
\issue 4
\pages 636--639
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\crossref{https://doi.org/10.7868/S0040364415040158}
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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. S. H. Gadzhimagomedov, N. M.-R. Alikhanov, R. M. Emirov, D. K. Palchaev, Zh. Kh. Murlieva, M. Kh. Rabadanov, S. A. Sadykov, M. M. Khamidov, A. D. H. Hashafa, “Structure and properties of nanostructured $\mathrm{YBa_2Cu_3O_{7-\delta}, BiFeO_3}$, and $\mathrm{Fe_3O_4}$”, Semiconductors, 51:13 (2017), 1686–1691  crossref  isi  scopus
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