Nonvolatile multilevel conductance and memory effects in organic thin films

Organic thin-film structures, including organic light-emitting diodes, are demonstrated to contain multiple nonvolatile conductance states at low-read voltages. Retention time of states is more than several weeks, and more than 20000 write-read-rewrite-read cycles have been performed with minimal de...

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Bibliographic Details
Published in:Applied physics letters 2005-12, Vol.87 (23), p.231105-231105-3
Main Authors: Lauters, M., McCarthy, B., Sarid, D., Jabbour, G. E.
Format: Article
Language:English
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Summary:Organic thin-film structures, including organic light-emitting diodes, are demonstrated to contain multiple nonvolatile conductance states at low-read voltages. Retention time of states is more than several weeks, and more than 20000 write-read-rewrite-read cycles have been performed with minimal degradation. The electrical characteristics of these devices are consistent with metal diffusion or filament phenomena found in metal-insulator-metal structures, suggesting a possible mechanism by which the states are stored.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2138809