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Nonvolatile Hybrid Memory Cell Embedded with Ni Nanocrystals in Poly(3-hexylthiophene)

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Published 14 November 2012 Copyright (c) 2012 The Japan Society of Applied Physics
, , Citation Jong-Dae Lee and Jea-Gun Park 2012 Jpn. J. Appl. Phys. 51 120202 DOI 10.1143/JJAP.51.120202

1347-4065/51/12R/120202

Abstract

We developed a cross-bar nonvolatile hybrid memory cell embedded with Ni nanocrystals in poly(3-hexylthiophene) (P3HT) with cell area of 4F2, where F is a feature size. The cell demonstrated nonvolatile memory characteristics, such as a memory margin (Ion/Ioff ratio) of ∼5×10, over 103 endurance cycles of program-and-erase, and a retention time of 104 s at 85 °C. In addition, the mechanism of nonvolatile memory operation for the hybrid memory cell was confirmed by the combination of space-charge-limited current and a Fowler–Nordheim tunneling conduction.

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10.1143/JJAP.51.120202