Theory of unidirectional bulk conduction under trap density gradient for resistance switching

Yukio Watanabe

doi:10.1109/ISAF.2010.5712234

Theory of unidirectional bulk conduction under trap density gradient for resistance switching

Yukio Watanabe

Condensed Matter Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Nonlinear bulk conduction under graded distribution of traps is shown to exhibit well-defined rectification without relying surface barriers [1,2]. This solves a puzzle in the resistance switching that frequently exhibits both unidirectionality (rectification) and bulk-limited conduction characteristics. In addition, it also resolves an old puzzle of nonideal rectifying characteristic showing bulk properties. This paper briefly introduces the theory [1,2] and indicates that a fraction of reported resistance switching phenomena is due to the change of trap distribution. The theory can also be used to identify the ferroelectricity effect on the resistance switching. In addition, the phenomena treated here can be important, because carriers are injected during the polarization switching.

Original language	English
Title of host publication	Proceedings of the 2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010
DOIs	https://doi.org/10.1109/ISAF.2010.5712234
Publication status	Published - 2010
Event	2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010 - Edinburgh, Scotland, United Kingdom Duration: Aug 9 2010 → Aug 12 2010

Other

Other	2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010
Country	United Kingdom
City	Edinburgh, Scotland
Period	8/9/10 → 8/12/10

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

Access to Document

10.1109/ISAF.2010.5712234

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Watanabe, Y. (2010). Theory of unidirectional bulk conduction under trap density gradient for resistance switching. In Proceedings of the 2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010 [5712234] https://doi.org/10.1109/ISAF.2010.5712234

Theory of unidirectional bulk conduction under trap density gradient for resistance switching. / Watanabe, Yukio.

Proceedings of the 2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010. 2010. 5712234.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Watanabe, Y 2010, Theory of unidirectional bulk conduction under trap density gradient for resistance switching. in Proceedings of the 2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010., 5712234, 2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010, Edinburgh, Scotland, United Kingdom, 8/9/10. https://doi.org/10.1109/ISAF.2010.5712234

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