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|Title:||Parallel fabrication of polymer-protected nanogaps|
|Citation:||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/10.1088/0957-4484/21/38/385303|
|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.|
|Appears in Collections:||Staff Publications|
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