Please use this identifier to cite or link to this item: https://doi.org/38/385303
Title: Parallel fabrication of polymer-protected nanogaps
Authors: Zhang, H.
Thompson, C.V.
Stellacci, F.
Thong, J.T.L. 
Issue Date: 24-Sep-2010
Source: Zhang, H.,Thompson, C.V.,Stellacci, F.,Thong, J.T.L. (2010-09-24). Parallel fabrication of polymer-protected nanogaps. Nanotechnology 21 (38) : -. ScholarBank@NUS Repository. https://doi.org/38/385303
Abstract: A method to create an array of sub-5 nm nanogaps with self-aligned holes in a protective polymer overlayer is presented. The parallel formation of the nanogaps, intended for electrical sensing of biomolecules in an aqueous environment, is achieved by electromigration using a simple voltage ramp across parallel-connected electrode patterns with individual constrictions. It was observed that the nanogap always formed on the cathode side of a bowtie electrode, with corresponding hillocks on the anode side, with the distance of the gap/hillock formation from the constriction depending on the ambient temperature. This technique provides a practical means to fabricate a series of polymer-protected nanogaps with considerably higher efficiency than afforded by the normally slow serial process of electromigration © 2010 IOP Publishing Ltd.
Source Title: Nanotechnology
URI: http://scholarbank.nus.edu.sg/handle/10635/56982
ISSN: 09574484
DOI: 38/385303
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