Multi-layered nanocomposite dielectrics for high density organic memory devices

Moonyeong Kang, Kyungwha Chung, Kang Jun Baeg, Dong Ha Kim, Choongik Kim

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12 Scopus citations


We fabricated organic memory devices with metal-pentacene-insulator-silicon structure which contain double dielectric layers comprising 3D pattern of Au nanoparticles (Au NPs) and block copolymer (PS-b-P2VP). The role of Au NPs is to charge/discharge carriers upon applied voltage, while block copolymer helps to form highly ordered Au NP patterns in the dielectric layer. Double-layered nanocomposite dielectrics enhanced the charge trap density (i.e., trapped charge per unit area) by Au NPs, resulting in increase of the memory window (ΔVth).

Original languageEnglish
Article number043302
JournalApplied Physics Letters
Issue number4
StatePublished - 26 Jan 2015

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