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We report on the fabrication and measurements of the first NO2 gas sensors based on individual suspended single-walled carbon nanotubes (SWNTs). We analyze the transient current response of two types of SWNTs when exposed to NO2 in dry and humid air. Furthermore, we analyze the change in the gate characteristic of the SWNTs due to NO2 and propose two different transduction mechanisms in suspended...
We report on nano electromechanical transducers based on single-walled -carbon nanotubes (SWNTs) in order to investigate the piezoresistance of individual SWNTs, which are at present one of the most studied nano structures, showing promising physical properties. We show a theoretical and experimental analysis of electromechanical properties of SWNTs, highlighting their extraordinary potential and...
We present a fabrication technique for discrete, released carbon-nanotube-based nanomechanical force sensors. The fabrication technique uses prepatterned coordinate markers to align the device design to predeposited single-walled carbon nanotubes (SWNTs): Atomic force microscope (AFM) images are recorded to determine spatial orientation and location of each discrete nanotube to be integrated in a...
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