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Pyroelectric and Ferroelectric Study of Polarisation Reversal in Near-Stoichiometric LiTaO3.

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Title: Pyroelectric and Ferroelectric Study of Polarisation Reversal in Near-Stoichiometric LiTaO3.
Authors: Bravina, Svetlana L.1, Morozovsky, Nicholas V.1, Hum, David S.2, Route, Roger K.2, Fejer, Martin M.2
Source: Ferroelectrics. 2010, Vol. 400 Issue 1, p185-194. 10p.
Subjects: Pyroelectricity, Ferroelectricity, Polarization (Electricity), Stoichiometry, Lithium tantalate, Water vapor transport, Pyroelectric detectors
Abstract: Polarization reversal ferroelectric characteristics (charge-, current- capacitance- and pyroresponse- voltage loops) were investigated for vapor transport equilibrated near-stoichiometric LiTaO3. 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 μC/cm2) polarization reversal in gradient regions of domain boundaries. Application of monolithitic IPS for various types of differential pyroelectric detectors is proposed. [ABSTRACT FROM AUTHOR]
Copyright of Ferroelectrics is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 55310187
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: <searchLink fieldCode="JN" term="%22Ferroelectrics%22">Ferroelectrics</searchLink>. 2010, Vol. 400 Issue 1, p185-194. 10p.
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  Data: Polarization reversal ferroelectric characteristics (charge-, current- capacitance- and pyroresponse- voltage loops) were investigated for vapor transport equilibrated near-stoichiometric LiTaO3. 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 μC/cm2) polarization reversal in gradient regions of domain boundaries. Application of monolithitic IPS for various types of differential pyroelectric detectors is proposed. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Ferroelectrics is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1080/00150193.2010.505533
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 185
    Subjects:
      – SubjectFull: Pyroelectricity
        Type: general
      – SubjectFull: Ferroelectricity
        Type: general
      – SubjectFull: Polarization (Electricity)
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      – SubjectFull: Stoichiometry
        Type: general
      – SubjectFull: Lithium tantalate
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      – SubjectFull: Water vapor transport
        Type: general
      – SubjectFull: Pyroelectric detectors
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      – TitleFull: Pyroelectric and Ferroelectric Study of Polarisation Reversal in Near-Stoichiometric LiTaO3.
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            NameFull: Hum, David S.
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            NameFull: Route, Roger K.
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              Text: 2010
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