Resistive-Switching Memory Effect of Hybrid Structures with Polyimide and Sno2 Nanocrystals
Authors: Lee, Dong Uk; Kim, Seon Pil; Kim, Eun Kyu; Cho, Won-Ju; Kim, Young-Ho; Im, Hyunsik
Source: Journal of Nanoscience and Nanotechnology, Volume 12, Number 7, July 2012 , pp. 5449-5452(4)
Publisher: American Scientific Publishers
Abstract:Hybrid memory devices with polyimide and Sno2 nanocrystals on a flexible polyethersulphone substrate have shown a memristor behavior from current–voltage (I–V) measurements. The resistiveswitching effects with a current bistability appeared during cycling voltage sweeping within the range of ±4 V. This I–V switching effect might have originated from a resistance fluctuation due to the charge trapping into the Sno2 nanocrystals as well as the oxygen vacancies of the ZnO layer and aluminum oxides that were formed between the polyimide and the interface of the Al gate electrode. In the bipolar resistance-switching behavior, the ratio of the high- and low-resistance state currents was about 3.7×104 at 1 V.
Document Type: Research Article
Publication date: July 1, 2012
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