International Business Machines Corporation

Valorisation-recherche, Limited Partnership

Polyvalor, Limited Partnership

Richard Martel

Phaedon Avouris

Philip G Collins

Joerg Appenzeller

Kevin K Chan

Hon-Sum Philip Wong

James Anthony Misewich

Janie Cabana

Marc-Antoine Nadon

Vincent Derycke

Francois Raymond

Nathalie Y-Wa Tang

Guy M Cohen

Alejandro Gabriel Schrott

Cherie Renee Kagan

James Chen-Hsiang Tsang

Pierre Lévesque

Marko Radosavljevic

Patrick Desjardins

Philippe Gagnon

Saman Choubak

Philip Collins

Hon-Sum Philip Stanford University Wong

A method of growing a graphene coating or carbon nanotubes on a catalytic substrate by chemical vapor deposition is provided. In the method, the chemical vapor deposition is carried out in an atmosphere in which a ratio P/Pis about 5&#xd7;10or less, wherein Pis the partial pressure oxidizing species in the atmosphere and Pis the partial pressure of reducing species in the atmosphere. A catalytic substrate coated with a graphene coating grown according to this method is also provided.

Method of growing a graphene coating or carbon nanotubes on a catalytic substrate

A Raman scattering probe, and a method of making such a probe, uses a capsule of nanometric size, such as a nanotube, to which is coupled at least one Raman-active molecule. The Raman-active molecule may be encapsulated in, or attached on the exterior of, the capsule, and exhibits a Raman scattering response when the probe is illuminated by an excitation light beam. A functionalization chemical group that is attached to an exterior of the capsule provides a connection between the capsule and a target material. This functionalization may include a generic chemical functionalization that bonds with any of a plurality of secondary chemical groups each of which bonds directly with a different target. A method of using the probe for Raman spectroscopy or Raman imaging is also provided.

Raman scattering nanoprobes

A Raman scattering probe, and a method of making such a probe, uses a capsule of nanometric size, such as a nanotube, to which is coupled at least one Raman-active molecule. The Raman-active molecule may be encapsulated in, or attached on the exterior of the capsule, and exhibits a Raman scattering response when the probe is illuminated by an excitation light beam. A functionalization chemical group that is attached to an exterior of the capsule provides a connection between the capsule and a target material. This functionalization may include a generic chemical functionalization that bonds with any of a plurality of secondary chemical groups each of which bonds directly with a different target. A method of using the probe for Raman spectroscopy or Raman imaging is also provided.

A self-aligned carbon-nanotube field effect transistor semiconductor device comprises a carbon-nanotube deposited on a substrate, a source and a drain formed at a first end and a second end of the carbon-nanotube, respectively, and a gate formed substantially over a portion of the carbon-nanotube, separated from the carbon-nanotube by a dielectric film.

Method of fabricating self-aligned nanotube field effect transistor

Self-aligned nanotube field effect transistor

Vertical nanotube field effect transistor

Self-aligned nanotube field effect transistor and method of fabricating same

A structure (and method) for a piezoelectric device, including a layer of piezoelectric material. A nanotube structure is mounted such that a change of shape of the piezoelectric material causes a change in a stress in the nanotube structure.

Piezoelectric array with strain dependant conducting elements and method therefor

An electronic device includes a source region and a drain region, a self-assembled monolayer disposed adjacent to the source region and the drain region, the self-assembled monolayer including at least one conjugated molecule, and a conductive substrate disposed adjacent to the self-assembled monolayer.

Electronic device including a self-assembled monolayer, and a method of fabricating the same

A light emitting device comprises a gate electrode, a channel comprising a molecule for electrically stimulated optical emission, wherein the molecule is disposed within an effective range of the gate electrode, a source coupled to a first end of the channel injecting electrons into the channel, and a drain coupled to a second end of the channel injecting holes into the channel.

System and method for molecular optical emission

A method for growing single-walled nanotubes comprises providing a silicon carbide semiconductor wafer comprising a silicon face and a carbon face, and annealing the silicon carbide semiconductor wafer in a vacuum at a temperature of at least about 1300 degrees Celsius, inducing formation of single wall carbon nanotubes on the silicon face.

Catalyst-free growth of single-wall carbon nanotubes

A method is provided for forming a device. The method provides a substrate, and provides a plurality of nanotubes in contact with the substrate. The method comprises depositing metal contacts on the substrate, wherein the metal contacts are in contact with a portion of at least one nanotube. The method further comprises selectively breaking the at least one nanotube using an electrical current, removing the metal contacts, cleaning a remaining nanotube, and depositing a first metal contact in contact with a first end of the nanotube and a second metal contact in contact with a second end of the nanotube.

Methodology for electrically induced selective breakdown of nanotubes

A method is provided for forming a device. The method provides an insulating substrate including a source electrode, a drain electrode, and a gate electrode. The method provides carbon nanotube bundles including metallic and semiconducting component nanotubes in contact with the substrate. The method applies a voltage to the gate electrode to deplete the semiconducting component nanotubes of carriers, applies an electrical current through the nanotube, from a source electrode to a drain electrode, and breaks at least one metallic component nanotube to form a field effect transistor. The carbon nanotube bundle can be a multi-walled nanotube or a single-walled nanotube rope.

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Peekskill, NY, United States of America

Richard Martel