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Pis'ma v Zh. Èksper. Teoret. Fiz., 2014, Volume 100, Issue 6, Pages 451–456 (Mi jetpl4130)  

This article is cited in 5 scientific papers (total in 5 papers)

CONDENSED MATTER

Temperature evolution of polar states in GdMn$_2$O$_5$ and Gd$_{0.8}$Ce$_{0.2}$Mn$_2$O$_5$

V. A. Sanina, E. I. Golovenchits, B. Kh. Khannanov

Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg

Abstract: The polar order along the $c$ axis is revealed in GdMn$_2$O$_5$ and Gd$_{0.8}$Ce$_{0.2}$Mn$_2$O$_5$ at $T\leq T_{C1}\approx 160$ K for the first time. This polar order is induced by the charge disproportion in the 2D superstructures emerged due to phase separation. The dynamic state with restricted polar domains of different sizes is found at $T > T_{C1}$ which is typical of the diffuse ferroelectric phase transition. At the lowest temperatures ($T < 40$ K) two polar orders of different origins with perpendicular orientations (along the $b$- and $c$-axes) coexist. The 1D superlattices studied by us earlier in the set of RMn$_2$O$_5$ multiferroics are the charged domain walls which separate of these polar order domains.

DOI: https://doi.org/10.7868/S0370274X14180118

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English version:
Journal of Experimental and Theoretical Physics Letters, 2014, 100:6, 407–412

Bibliographic databases:

Document Type: Article
Received: 20.08.2014
Language: English

Citation: V. A. Sanina, E. I. Golovenchits, B. Kh. Khannanov, “Temperature evolution of polar states in GdMn$_2$O$_5$ and Gd$_{0.8}$Ce$_{0.2}$Mn$_2$O$_5$”, Pis'ma v Zh. Èksper. Teoret. Fiz., 100:6 (2014), 451–456; JETP Letters, 100:6 (2014), 407–412

Citation in format AMSBIB
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\by V.~A.~Sanina, E.~I.~Golovenchits, B.~Kh.~Khannanov
\paper Temperature evolution of polar states in GdMn$_2$O$_5$ and
Gd$_{0.8}$Ce$_{0.2}$Mn$_2$O$_5$
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2014
\vol 100
\issue 6
\pages 451--456
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\crossref{https://doi.org/10.7868/S0370274X14180118}
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\jour JETP Letters
\yr 2014
\vol 100
\issue 6
\pages 407--412
\crossref{https://doi.org/10.1134/S002136401418009X}
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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. JETP Letters, 103:4 (2016), 248–253  mathnet  crossref  crossref  isi  elib
    2. Bukhari S.H. Ahmad J., “Emergent excitation in the paramagnetic phase of geometrically frustrated GdMn2O5”, Physica B, 492 (2016), 39–44  crossref  mathscinet  isi  elib  scopus
    3. B. Kh. Khannanov, V. A. Sanina, E. I. Golovenchits, M. P. Scheglov, “Electric polarization induced by phase separation in magnetically ordered and paramagnetic states of RMn2O5 (R=Gd, Bi)”, J. Magn. Magn. Mater., 421 (2017), 326–335  crossref  isi  elib
    4. V. A. Sanina, B. Kh. Khannanov, E. I. Golovenchits, “Magnetic dynamics of phase separation domains in GdMn2O5 and Gd0.8Ce0.2Mn2O5 multiferroics”, Phys. Solid State, 59:10 (2017), 1952–1960  crossref  isi  scopus
    5. Sanina V.A. Khannanov B.Kh. Golovenchits E.I. Shcheglov M.P., “Frozen Superparaelectric State of Local Polar Regions in Gdmn2O5 and Gd0.8Ce0.2Mno5”, Phys. Solid State, 60:3 (2018), 537–548  crossref  isi  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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