Pyroelectric and Ferroelectric Study of Polarisation Reversal in Near-Stoichiometric LiTaO^sub 3

Polarization reversal ferroelectric characteristics (charge-, current- capacitance- and pyroresponse- voltage loops) were investigated for vapor transport equilibrated near-stoichiometric ... The transition from the unipolar state to asymmetric and symmetric inversely polarized structures (IPS) was...

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Bibliographic Details
Published inFerroelectrics Vol. 400; no. 1; p. 185
Main Authors Bravina, Svetlana L, Morozovsky, Nicholas V, Hum, David S, Route, Roger K, Fejer, Martin M
Format Journal Article
LanguageEnglish
Published Philadelphia Taylor & Francis Ltd 15.05.2010
Subjects
Electric currents
Ferroelectrics
Materials science
Phase transitions
Physical properties
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Summary:Polarization reversal ferroelectric characteristics (charge-, current- capacitance- and pyroresponse- voltage loops) were investigated for vapor transport equilibrated near-stoichiometric ... The transition from the unipolar state to asymmetric and symmetric inversely polarized structures (IPS) was realized by applying external voltage. By photopyroelectric subsurface thermal-wave probing of IPS the position of charged domain boundary and its thickness were estimated. Low (60 V/mm) coercive field process was considered as connected with low (4 ...C/cm...) polarization reversal in gradient regions of domain boundaries. Application of monolithitic IPS for various types of differential pyroelectric detectors is proposed. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0015-0193
1563-5112