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Pis'ma v Zh. Èksper. Teoret. Fiz., 2014, Volume 99, Issue 8, Pages 511–515 (Mi jetpl3713)  

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

OPTICS AND NUCLEAR PHYSICS

Optical probe, local fields, and Lorentz factor in ferroelectrics

L. M. Blinov, V. V. Lazarev, S. P. Palto, S. G. Yudin

Institute of Cristallography Russian Academy of Sciences, Moscow

Abstract: An optical probe is suggested that allows measurements of the local field and Lorentz factor ($L$) in ferroelectric medium. The copolymer poly (vinyliden fluoride/trifluoroethylene) is mixed with Pd-tetraphenylporphyrin (TPP-Pd) that has a very narrow absorption band. Thus TPP-Pd serves as a molecular optical probe of the local field. During the switching of the electric field lower than the coercive one the factor $L$ of a non-polarized ferroelectric mixture is found to be of about $1/3$ that corresponds to the random distribution of molecular dipoles in the ferroelectric. With increasing field the dipole orientation acquires a lower symmetry and $L$ tends to zero as predicted by lattice sum calculations for vinyliden-fluoride. The knowledge of the field dependence of $L$ and the usage of the optical probe makes it possible to measure directly the local and macroscopic fields in the individual elements of various ferroelectric-dielectric heterostructures.

DOI: https://doi.org/10.7868/S0370274X14080049

Full text: PDF file (297 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2014, 99:8, 441–445

Bibliographic databases:

Document Type: Article
Received: 13.03.2014
Language: English

Citation: L. M. Blinov, V. V. Lazarev, S. P. Palto, S. G. Yudin, “Optical probe, local fields, and Lorentz factor in ferroelectrics”, Pis'ma v Zh. Èksper. Teoret. Fiz., 99:8 (2014), 511–515; JETP Letters, 99:8 (2014), 441–445

Citation in format AMSBIB
\Bibitem{BliLazPal14}
\by L.~M.~Blinov, V.~V.~Lazarev, S.~P.~Palto, S.~G.~Yudin
\paper Optical probe, local fields, and Lorentz factor in ferroelectrics
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2014
\vol 99
\issue 8
\pages 511--515
\mathnet{http://mi.mathnet.ru/jetpl3713}
\crossref{https://doi.org/10.7868/S0370274X14080049}
\elib{http://elibrary.ru/item.asp?id=21689172}
\transl
\jour JETP Letters
\yr 2014
\vol 99
\issue 8
\pages 441--445
\crossref{https://doi.org/10.1134/S0021364014080050}
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\elib{http://elibrary.ru/item.asp?id=24064536}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84903836260}


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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. Lazarev V.V. Blinov L.M. Yudin S.G. Palto S.P., “Built-in Fields in Nanodimensional Organic Ferroelectric-Semiconductor Heterostructures: the Principal Role of Molecular Probes”, J. Exp. Theor. Phys., 119:4 (2014), 753–760  crossref  adsnasa  isi  elib  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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