Embedding a carbon nanotube across the diameter of a solid state nanopore

Embedding a carbon nanotube across the diameter of a solid state nanopore

A fabrication method for positioning and embedding a single-walled carbon nanotube (SWNT) across the diameter of a solid state nanopore is presented. Chemical vapor deposition (CVD) is used to grow SWNTs over arrays of focused ion beam (FIB) milled pores in a thin silicon nitride membrane. This typi...

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Veröffentlicht in:Journal of vacuum science & technology. B, Microelectronics and nanometer structures processing, measurement and phenomena Microelectronics and nanometer structures processing, measurement and phenomena, 2011-09, Vol.29 (5), p.053001-053001-4
Hauptverfasser: Sadki, E. S., Garaj, S., Vlassarev, D., Golovchenko, J. A., Branton, D.
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container_title Journal of vacuum science & technology. B, Microelectronics and nanometer structures processing, measurement and phenomena
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creator Sadki, E. S.
Garaj, S.
Vlassarev, D.
Golovchenko, J. A.
Branton, D.
description A fabrication method for positioning and embedding a single-walled carbon nanotube (SWNT) across the diameter of a solid state nanopore is presented. Chemical vapor deposition (CVD) is used to grow SWNTs over arrays of focused ion beam (FIB) milled pores in a thin silicon nitride membrane. This typically yields at least one pore whose diameter is centrally crossed by a SWNT. The final diameter of the FIB pore is adjusted to create a nanopore of any desired diameter by atomic layer deposition, simultaneously embedding and insulating the SWNT everywhere but in the region that crosses the diameter of the final nanopore, where it remains pristine and bare. This nanotube-articulated nanopore is an important step towards the realization of a new type of detector for biomolecule sensing and electronic characterization, including DNA sequencing.
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title Embedding a carbon nanotube across the diameter of a solid state nanopore
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