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Theory of time-dependent space-charge-limited conduction
KTH, School of Engineering Sciences (SCI).
2007 (English)In: 2007 IEEE International Conference on Solid Dielectrics, Vols 1 and 2, IEEE , 2007, 35-38 p.Conference paper, Published paper (Refereed)
Abstract [en]

We have developed a theory of time-dependent space-charge-limited conduction in recent years to understand a hysteresis-shift phenomenon of graded ferroelectric films. The theory is a generalization of the conventional steady-state space-charge-limited conduction model to include (i) two carrier types (p-type and n-type), (ii) intrinsic conductivity and (iii) time dependence. Later, the theory was also applied to understand the hysteresis behaviour of homogeneous ferroelectric films. In this paper, a full and updated version of the theory is presented. At the limit of zero intrinsic conductivity, the theory implies the dominance of either carrier type. Accordingly, the independent assumptions of (i) a single carrier type and (ii) a negligible intrinsic conductivity in the conventional steady-state conduction model are interrelated.

Place, publisher, year, edition, pages
IEEE , 2007. 35-38 p.
Keyword [en]
Charge carriers, Civil aviation, Elasticity, Ferroelectric devices, Ferroelectricity, Heat conduction, Hysteresis, State space methods
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-155234DOI: 10.1109/ICSD.2007.4290746ISI: 000261704700008Scopus ID: 2-s2.0-47349119352ISBN: 1424407516 (print)ISBN: 978-142440751-4 OAI: oai:DiVA.org:kth-155234DiVA: diva2:764024
Conference
2007 International Conference on Solid Dielectrics, ICSD, 8 July 2007 through 13 July 2007, Winchester, United Kingdom
Note

QC 20141118

Available from: 2014-11-18 Created: 2014-11-04 Last updated: 2016-12-19Bibliographically approved

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Citation style
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  • de-DE
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  • nn-NB
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  • Other locale
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Output format
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