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Carbon nanotube gas sensor array for multiplex analyte discrimination

Publications associées (35)

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A Nanoscale Parametric Feedback Oscillator

Luis Guillermo Villanueva Torrijo

We describe and demonstrate a new oscillator topology, the parametric feedback oscillator (PFO). The PFO paradigm is applicable to a wide variety of nanoscale devices and opens the possibility of new classes of oscillators employing innovative frequencydet ...

2011

Comparing the enhanced sensing interfaces of differently oriented carbon nanotubes onto silicon for bio-chip applications

Giovanni De Micheli, Sandro Carrara, Irene Taurino

Carbon nanotubes improve the sensitivity of electrochemical biochips. An optimized integration of the nano/bio/CMOS interface is required to realize accurate and low-cost sensors for applications in personalized medicine. The nanotubes orientation on the c ...

2011

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We report here the fabrication of a sensitive and selective gas sensor using a carbon nanotube (CNT) membrane as the gas sensing transducer. A TiN/Al2O3/TiN stack is used as a support for the CNT growth catalyst, evaporated with a 45° tilt angle on the ver ...

2011

Nano-Electro-Mechanical Switches Based on Carbon Nanotubes Arrays

Donatello Acquaviva

In the last forty years the semiconductor industry focused on the downscaling process of the CMOS (Complementary Metal-Oxide-Semiconductor) technology, trying to follow as much as possible the empirical Moore's Law. In the last five years this trend has be ...

EPFL2010

Carbon nanotubes (CNT) have been investigated extensively in the recent years for application in nano-electromechanical systems (NEMS). CNTs have extraordinary electrical and mechanical properties. They are stiff, with low density, high electrical conducti ...

EPFL2010

Logic circuits based on individual semiconducting and metallic carbon-nanotube devices

Klaus Kern, Hagen Klauk, Ralf Thomas Weitz, Frederik Sebastian Ante

Nanoscale transistors employing an individual semiconducting carbon nanotube as the channel hold great potential for logic circuits with large integration densities that can be manufactured on glass or plastic substrates. Carbon nanotubes are usually produ ...

2010

RF NEM capacitive switch based on dense horizontal arrays of CNTs

Mihai Adrian Ionescu, László Forró, Arnaud Magrez, Rita Smajda, Ji Cao, Anupama Arun, Donatello Acquaviva

Carbon nanotubes (CNTs) have been considered one of the most promising material to make nanodevices, in particular nanoelectromechanical systems (NEMS), due to their remarkable mechanical (Young's modulus ∼ 1 TPa) and electrical (high conductivity for meta ...

2010

Sensing Mechanisms for Carbon Nanotube Based NH3 Gas Detection

Nicola Marzari

There has been an argument on carbon nanotube (CNT) based gas detectors with a field-effect transistor (FET) geometry: do the response signals result from charge transfer between adsorbed gas molecules and the CNT channel and/or from the gas species induce ...

2009

The chemistry of single-walled nanotubes

Ardemis Anoush Boghossian

A review. The unique structural, electronic, and mech. properties of single-walled carbon nanotubes (SWNTs) have opened the doors to developments that push the limits of science. These advancements not only further scientific discovery, but also result in ...

2009

Trapping Individual Carbon Nanotubes

Mihai Adrian Ionescu, Anupama Arun

A technique to deterministically manipulate individual Carbon Nanotubes (CNT) has been the brick-wall for the boom of CNT based devices. Here we demonstrate dielectrophoresis as an efficient technique to trap individual Single Walled Carbon Nanotubes (SWCN ...

2008