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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2020, Volume 46, Issue 18, Pages 19–22
DOI: https://doi.org/10.21883/PJTF.2020.18.49996.18361 (Mi pjtf4989) 		 
Phase transition in potassium nitrate ferroelectric in a nanoporous matrix

Yu. F. Markova, V. M. Egorova, E. M. Roginskiia, E. V. Stukovab

a Ioffe Institute, St. Petersburg
b Amur State University, Blagoveshchensk, Amur region
Full-text PDF (149 kB)
DOI: https://doi.org/10.21883/PJTF.2020.18.49996.18361
Abstract: Differential scanning calorimetry has been used to carry out a precision study of KNO$_3$ introduced into a silicate nanoporous matrix. Heat capacity peaks associated with ferroelectric phase transitions were found and examined. The characteristics of these transitions were examined in terms of the theory of diffuse phase transitions. A hypothesis was made that there exists a minimum size of pores in the nanocomposite at which KNO$_3$ is in the fully ferroelectric state at room temperature.
Keywords: phase transitions, ferroelectric, potassium nitrate, heat capacity.
Received: 28.04.2020
Revised: 28.05.2020
Accepted: 10.06.2020
English version:
Technical Physics Letters, 2020, Volume 46, Issue 9, Pages 905–908
DOI: https://doi.org/10.1134/S1063785020090254
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: Yu. F. Markov, V. M. Egorov, E. M. Roginskii, E. V. Stukova, “Phase transition in potassium nitrate ferroelectric in a nanoporous matrix”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 46:18 (2020), 19–22; Tech. Phys. Lett., 46:9 (2020), 905–908
Citation in format AMSBIB
\Bibitem{MarEgoRog20}
\by Yu.~F.~Markov, V.~M.~Egorov, E.~M.~Roginskii, E.~V.~Stukova
\paper Phase transition in potassium nitrate ferroelectric in a nanoporous matrix
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2020
\vol 46
\issue 18
\pages 19--22
\mathnet{http://mi.mathnet.ru/pjtf4989}
\crossref{https://doi.org/10.21883/PJTF.2020.18.49996.18361}
\elib{https://elibrary.ru/item.asp?id=44041096}
\transl
\jour Tech. Phys. Lett.
\yr 2020
\vol 46
\issue 9
\pages 905--908
\crossref{https://doi.org/10.1134/S1063785020090254}
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