Concept

Électrisation (santé)

Publications associées (150)

Lithography-free study of spin torque

We developed a non-lithographic technique to contact sub-100 nm nanowires for spin transfer torque experiments. Co/Cu multilayers were grown by electrodeposition in nanoporous commercial polycarbonate membranes from a Co/Cu bath. A home-made sample holder ...

Elsevier2010

Influence of processing route on electrical and thermal conductivity of Al/SiC composites with bimodal particle distribution

Ludger Weber

Al/SiC composites with volume fractions of SiC between 0.55 and 0.71 were made from identical tapped and vibrated powder preforms by squeeze casting (SC) and by two different setups for gas pressure infiltration (GPI), one that allows short (1-2 min) liqui ...

Springer US2010

Electrical modeling of the cell-electrode interface for recording neural activity from high-density microelectrode arrays

Alexandre Schmid, Yusuf Leblebici, Neil Joye

Accurate electrical models are needed to support the design of modern microelectrode arrays. The point-contact model is presented thoroughly, and an area-contact model is analytically derived in order to model the electrical characteristics of the cell-ele ...

2009

Microwave spin-torque excitation in a template-synthesized nanomagnet

Jean-Philippe Ansermet, Elena Murè

A microwave-compatible lithography-free process is shown to allow the electrical contact of a single nanometric spin valve grown by template synthesis. The complex spin dynamics of a single nanomagnet is revealed by resonant microwave current excitations, ...

2009

Electrical breakdown at low pressure for planar microelectromechanical systems with 10- to 500-micron gaps

Herbert Shea

An experimental study of the dc breakdown voltage for planar MEMS interdigitated aluminum electrodes with gaps ranging from 10 to 500 micron is presented. Unlike most research on the breakdown in MEMS electrodes that was performed at atmospheric pressure, ...

2009

99% random telegraph signal-like noise in gold nanoparticle mu-stripes

Jürgen Brugger

In this paper, we report on a process to prepare gold nanoparticle stripes on SiO2 by convective/capillary assembly without any patterning of the substrate. Electrical devices were then fabricated using stencil lithography in order to avoid any contaminati ...

2009

Electrical Conduction Mechanism in Chemically Derived Graphene Monolayers

Klaus Kern, Marko Burghard, Ravi Shankar Sundaram

We have performed a detailed study of the intrinsic electrical conduction process in individual monolayers of chemically reduced graphene oxide down to a temperature of 2 K. The observed conductance can be consistently interpreted in the framework of two-d ...

2009

Towards room temperature electrically pumped blue vertical cavity surface emitting lasers

Nicolas Grandjean, Jean-François Carlin, Raphaël Butté, Eric Feltin, Jacques Levrat, Gabriel Christmann, Antonino Francesco Castiglia, Gatien Cosendey, Alexei Altoukhov

The authors report on strategies to achieve lasing in electrically driven vertical cavity surface emitting lasers at room temperature, namely the improvement of the quality factor of a microcavity suited for electrical injection, the use of a ZnO contact t ...

Ieee2009

Ion-implanted compliant electrodes used in dielectric electroactive polymer actuators with large displacement

Herbert Shea, Samuel Rosset, Muhamed Niklaus

Metal ion implantation is shown here as an effective technique to fabricate highly compliant electrodes at room temperature on polymer substrates. By implanting 5 keV gold ions in polydimethylsiloxane we have fabricated micron-scale electrodes that conduct ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2009

GaN-based embedded 2D photonic crystal LEDs: Numerical optimization and device characterization

Elison de Nazareth Matioli

We present the numerical optimization of GaN-based embedded 2D-Photonic Crystal (PhC) LEDs based on a full 3D scattering matrix model pointing out the importance of a proper vertical design in embedded PhC structures. The growth of such structures followin ...

Wiley-V C H Verlag Gmbh2009

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