Unipolar Bistable Switching of Organic Non-Volatile Memory Devices with Poly(styrene-co-styrenesulfonic acid Na)
We demonstrated unipolar organic bistable memory devices with 8 × 8 cross-bar array type structure. The active material for the organic non-volatile memory devices is poly(styrene-co-styrenesulfonic acid Na) (PSSANa). From the electrical measurements of the PSSANa organic memory devices, we observed rewritable unipolar switching behaviors with a stable endurance and narrow cumulative probability. Also the PSSANa memory devices exhibited a uniform cell-to-cell switching with a high ON/OFF ratio of ∼105 and good retention time of ∼104 seconds without significant degradation.
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Document Type: Research Article
Publication date: February 1, 2011
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