Bioorganic nanodots for non-volatile memory devices

Nadav Amdursky, Gil Shalev, Amir Handelman, Simon Litsyn, Amir Natan, Yakov Roizin, Yossi Rosenwaks, Daniel Szwarcman, Gil Rosenman

Research output: Contribution to journalArticlepeer-review

Abstract

In recent years we are witnessing an intensive integration of bio-organic nanomaterials in electronic devices. Here we show that the diphenylalanine bio-molecule can self-assemble into tiny peptide nanodots (PNDs) of ∼2 nm size, and can be embedded into metal-oxide-semiconductor devices as charge storage nanounits in non-volatile memory. For that purpose, we first directly observe the crystallinity of a single PND by electron microscopy. We use these nanocrystalline PNDs units for the formation of a dense monolayer on SiO 2 surface, and study the electron/hole trapping mechanisms and charge retention ability of the monolayer, followed by fabrication of PND-based memory cell device.

Original languageEnglish
Article number062104
JournalAPL Materials
Volume1
Issue number6
DOIs
StatePublished - Dec 2013

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