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Simulation of space charge limited organic non volatile memory elements

Published online by Cambridge University Press:  17 May 2012

Francesco Santoni
Affiliation:
University of Rome “Tor Vergata”, Department of Electrical Engineering Via del Politecnico 1, PA 00133, Rome, Italy
Alessio Gagliardi
Affiliation:
University of Rome “Tor Vergata”, Department of Electrical Engineering Via del Politecnico 1, PA 00133, Rome, Italy
Aldo Di Carlo
Affiliation:
University of Rome “Tor Vergata”, Department of Electrical Engineering Via del Politecnico 1, PA 00133, Rome, Italy
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Abstract

We present a model for organic bistable devices (OBDs) embedded with metallic nanoparticles. In particular, two device architectures have been studied: a single layer device with metallic nanoparticles dispersed in a organic material matrix and a three layer device where two organic material regions are separated by a layer of heavy packed nanoparticles. The model describes the different behavior, the internal charge and potential distributions in the ON-OFF states. The OFF state is represented by charged nanoparticles forming a space charge layer which limits the current. The ON state occurs with neutral nanoparticles.

Type
Articles
Copyright
Copyright © Materials Research Society 2012

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References

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