Non-Ohmic Phenomena in Mn-doped BaTiO3
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Other documents of the author: Prades Tena, Marta; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Alonso, Pablo J.; Masó, Nahum; West, Anthony R.
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comunitat-uji-handle2:10234/7053
comunitat-uji-handle3:10234/8639
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Title
Non-Ohmic Phenomena in Mn-doped BaTiO3Author (s)
Date
2012Publisher
Wiley-BlackwellISSN
0031-8965Type
info:eu-repo/semantics/articlePublisher version
http://onlinelibrary.wiley.com/doi/10.1002/pssa.201228384/pdfSubject
Abstract
We report here a novel effect in which the resistance of a semiconducting oxide ceramic increases on application of a small dc bias. The ceramic conducts at high temperatures by an n-type hopping mechanism. On appli ... [+]
We report here a novel effect in which the resistance of a semiconducting oxide ceramic increases on application of a small dc bias. The ceramic conducts at high temperatures by an n-type hopping mechanism. On application of a dc bias, conduction electrons are trapped at surface states and the resistance increases. On removal of the dc bias, the trapped electrons are released and the sample regains its original state. This effect is the mirror image of that seen with similar ceramics that conduct by a p-type mechanism whose resistance decreases reversibly on application of a small dc bias. These two phenomena together offer the possibility of novel switching devices and memristive applications, especially if the switching times can be reduced. [-]
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physica status solidi (a) Volume 209, Issue 11, November 2012Rights
© 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. "The definitive version is available at www3.interscience.wiley.com"
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info:eu-repo/semantics/openAccess
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info:eu-repo/semantics/openAccess
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