Anomalous Surface Diffusion in Nanoscale Direct Deposition Processes

P. Manandhar; J. Jang; George C Schatz; Mark A Ratner; S. Hong

doi:10.1103/PhysRevLett.90.115505

Anomalous Surface Diffusion in Nanoscale Direct Deposition Processes

P. Manandhar, J. Jang, George C Schatz, Mark A Ratner, S. Hong

Northwestern University

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

We report the first observation of anomalous diffusion in nanometer scale direct deposition processes utilizing dip-pen nanolithography (DPN). DPN permits quite general nanostructure patterns to be drawn on flat surfaces. Here we demonstrate experimentally, and discuss theoretically, the situation in which the molecular ink in DPN binds weakly to the surface. We observe, for the weak-binding case of 1-dodecylamine on mica, that anomalous diffusion occurs, leading to nearly fractal deposition patterns.

Original language	English
Number of pages	1
Journal	Physical Review Letters
Volume	90
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.90.115505
Publication status	Published - Jan 1 2003

ASJC Scopus subject areas

Physics and Astronomy(all)

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