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Papers by Author: Chang Kyu Lee

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Dependency of Electrical Characteristics on Au Nano-Crystal Size for Non-Volatile Memory Fabricated with Au Nano-Crystal Embedded in PVK(Poly(N-Vinylcarbazole)) Layer

Authors: Chang Kyu Lee, Jong Sung Kwon, In Chul Na, Byung Il Han, Young Min Kim, Jea Gun Park

Abstract: We demonstrated a nonvolatile memory fabricated with the sandwich device structure of Al/Au nano-crystals embedded in the PVK/Al. The bi-stable conduction switching characteristic (Ion/Ioff ratio) was >1x102, depending on Au nano-crystal size. The size and distribution of Au nano-crystals were determined by the inserted Au-layer thickness between PVK layers. The size of Au nano-crystals increased with the inserted Au-layer thickness. The uniform distribution of isolated Au nano-crystals was obtained with 5 nm of the inserted Au-layer thickness.