Title :
Specific Single-Molecule Detection Based on Orbital Mediated Tunneling in Nanotube Double-Barrier Heterostructures
Author :
Rivera, José F. ; Arce, Julio C. ; Velasco-Medina, Jaime
Author_Institution :
Sch. of Electr. & Electron. Eng., Univ. del Valle, Cali, Colombia
Abstract :
A novel scheme that enables specificity in the detection of single molecules in the gas phase at room temperature is described, which is based on an orbital mediated tunneling mechanism and can be implemented in solid-state electronic nanodevices. The plausibility of such scheme is demonstrated computationally employing a carbon nanotube/boron nitride nanotube double-barrier heterostructure.
Keywords :
III-V semiconductors; boron compounds; carbon nanotubes; gas sensors; nanosensors; nanotube devices; semiconductor nanotubes; tunnelling; C-BN; gas phase; nanotube double-barrier heterostructures; orbital mediated tunneling; single-molecule detection; solid-state electronic nanodevices; Effective mass; Image edge detection; Optical sensors; Spectroscopy; Tunneling; Boron nitride nanotube (BNNT); carbon nanotube (CNT); double-barrier heterostructure; gas nanosensor; orbital mediated tunneling; specificity;
Journal_Title :
Nanotechnology, IEEE Transactions on
DOI :
10.1109/TNANO.2012.2219553
