Nonvolatile Write-Once-Read-Many Times Memory Devices Based on the Composites of Poly(4-vinylphenol)/Vulcan XC-72
We fabricated write-once-read-many times (WORM) type organic memory devices in 8 × 8 cross-bar structure. The active material for organic based WORM memory devices is mixture of both poly(4-vinyphenol) (PVP) and Vulcan XC-72s. From the electrical characteristics of the WORM memory devices, we observed two different resistance states, low resistance state and high resistance state, with six orders of ON/OFF ratio (ION/IOFF∼106). In addition, the WORM memory devices were maintained for longer than 50000 seconds without any serious degradation.
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Document Type: Research Article
Publication date: 2011-05-01
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