Journal
ORGANIC ELECTRONICS
Volume 7, Issue 5, Pages 305-312Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2006.03.014
Keywords
organic memory; switching; polymers; filaments; oxide
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Switching in metal/organic/metal structures for non-volatile memory applications was investigated. The electrodes turned out to be crucial for obtaining reversible switching, whereas the organic material had only minor influence. Electron-only devices with aluminum electrodes showed reversible resistive switching due to external bias. Transport and switching mechanism were studied by measuring I-V characteristics, retention, impedance spectroscopy and temperature dependence. The results suggest that switching is due to the oxide layer at the electrode and transport through filaments. Spatially resolved infrared photographs prove the filamentary nature. Published by Elsevier B.V.
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