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Open Access Nano Express

Crossbar nanoarchitectonics of the crosslinked self-assembled monolayer

Hicham Hamoudi

Author Affiliations

International Center for Young Scientists (ICYS), 1-1 Namiki, Tsukuba 305-0044, Japan

International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba 305-0044, Japan

Nanoscale Research Letters 2014, 9:287  doi:10.1186/1556-276X-9-287

Published: 9 June 2014

Abstract

A bottom-up approach was devised to build a crossbar device using the crosslinked SAM of the 5,5′-bis (mercaptomethyl)-2,2′-bipyridine-Ni2+ (BPD- Ni2+) on a gold surface. To avoid metal diffusion through the organic film, the author used (i) nanoscale bottom electrodes to reduce the probability of defects on the bottom electrodes and (ii) molecular crosslinked technology to avoid metal diffusion through the SAMs. The properties of the crosslinked self-assembled monolayer were determined by XPS. I-V characteristics of the device show thermally activated hopping transport. The implementation of this type of architecture will open up new vistas for a new class of devices for transport, storage, and computing.

Keywords:
Self-assembled monolayer; Crosslinking; Crossbars