Depolarization currents in the Na0.5Bi8.5Ti2Nb4O27 and Na0.5Bi8.5Ti2Ta4O27 layered ferroelectrics

The influence of the prehistory on the electrical properties of layered ferroelectrics is investigated. It is established that the heating of short-circuited samples of the nonpolarized ceramic material Na 0.5 Bi 8.5 Ti 2 Nb 4 O 27 leads to the appearance of maxima of the current at temperatures bel...

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Veröffentlicht in:	Physics of the solid state 2009-07, Vol.51 (7), p.1475-1477
Hauptverfasser:	Burkhanov, A. I., Kochergin, Yu. V., Bormanis, K., Kalvane, A., Dambekalne, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	2008 June 9–14 Physics Physics and Astronomy Proceeding of the XVIII All-Russia Conference on Physics of Ferroelectrics (VKS-XVIII) (St. Petersburg Russia Solid State Physics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The influence of the prehistory on the electrical properties of layered ferroelectrics is investigated. It is established that the heating of short-circuited samples of the nonpolarized ceramic material Na 0.5 Bi 8.5 Ti 2 Nb 4 O 27 leads to the appearance of maxima of the current at temperatures below the Curie point only in the case of preliminary ageing of the samples.
ISSN:	1063-7834 1090-6460
DOI:	10.1134/S1063783409070373