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System-Level Design Considerations for Carbon Nanotube Electromechanical Resonators

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Nano-electromechanical systems based on ultra-thin semiconductors

Sajedeh Manzeli

Nowadays, the interest in 2D materials has gone far beyond graphene. Specially, monolayers of transition metal dichalcogenides (TMDs) offer a broad spectrum of electronic and optical properties, and show the potential to revolutionize the electronics indus ...

EPFL2018

As the scaling of complementary metal-oxide-semiconductor (CMOS) technology is reaching fundamental limitations, novel device concepts and materials have started to be investigated to overcome the scaling challenges for integrated circuits. Graphene has be ...

EPFL2016

On the optical properties of carbon nanotubes. Part I. A general formula for the dynamical optical conductivity

Benjamin Ricaud

This paper is the first one in a series of two articles in which we revisit the optical properties of single-walled carbon nanotubes (SWNTs). Produced by rolling up a graphene sheet, SWNTs owe their intriguing properties to their cylindrical quasi-one-dime ...

Amer Inst Physics2016

Polymer - Carbon Nanostructures Composites

Maryam Majidian

Synthesis and characterization of polymer-based composites containing carbon nanostructures is the focus of this dissertation. The main polymer which has been used for this research is SU8. The motivation of the work is to overcome the drawbacks of SU8 e.g ...

EPFL2016

Fabrication process and characterization of suspended graphene membranes for RF NEMS capacitive switches

Mihai Adrian Ionescu, Clara-Fausta Moldovan, Wolfgang Amadeus Vitale, Laurent Syavoch Bernard, Pankaj Sharma

The fabrication of a Nanoelectromechanical System (NEMS) capacitive switch consisting of a suspended multilayer graphene membrane, doubly clamped on a coplanar waveguide (CPW) is presented and its RF performance is evaluated. The scattering parameters are ...

Elsevier2015

Carbon nanotube gas sensor array for multiplex analyte discrimination

Montserrat Fernandez-Bolanos Badia, Hoël Maxime Guérin, Elizabeth Buitrago Godinez

The lack of selectivity toward a particular analyte has always been the primary concern regarding CNT-based gas sensors. For that reason, in here we present a gas discrimination strategy that focuses on the electrode-CNT junction. The junction is shown to ...

Elsevier Science Sa2015

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This paper reports the successful experimental demonstration of the localized growth of horizontal, dense carbon nanotube (CNT) arrays in situ and at the wafer scale. The selectivity and directionality of the CNT catalytic growth process along with the ade ...

Pergamon-Elsevier Science Ltd2014

InGaN/GaN Core-Shell Single Nanowire Light Emitting Diodes with Graphene-Based P-Contact

Hua Zhang, Gwénolé Jean Jacopin, Mehran Shahmohammadi

We report on the demonstration of MOVPE-grown single nanowire InGaN/GaN core-shell light emitting diodes (LEDs) with a transparent graphene contact for hole injection. The electrical homogeneity of the graphene-contacted LED has been assessed by electron b ...

Amer Chemical Soc2014

Carbon Nanotube Precise Assembly for CMOS and NEMS Applications

Ji Cao

As complementary metal–oxide–semiconductor (CMOS) scaling meets fundamental limitations, revolutionary device concepts and materials are urgently needed as alternatives or supplements to CMOS technology. Carbon nanotubes (CNTs), featuring extraordinary phy ...

EPFL2013

Plasmon Nanomechanical Coupling for Nanoscale Transduction

Tobias Kippenberg

We demonstrate plasmon-mechanical coupling in a metalized nanomechanical oscillator. A coupled surface plasmon is excited in the 25 nm wide gap between two metalized silicon nitride beams. The strong plasmonic dispersion allows the nanomechanical beams the ...

American Chemical Society2013