Publications associées à Piézoélectricité

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Structure and properties of La-modified Na0.5Bi0.5TiO3 at ambient and elevated temperatures

Dragan Damjanovic

The crystal structure and property changes of sodium bismuth titanate (Na0.5Bi0.5TiO3, NBT) piezoelectric ceramics are reported as a function of La modification (0.5-2.0 at. %) and increasing temperature using high resolution x-ray diffraction, permittivit ...

American Institute of Physics2012

The need for speed

Herbert Shea, Samuel Rosset, Pit Gebbers

Development of dielectric elastomer actuators has been mainly targeted towards achieving giant static strain with little attention paid to their response speed, which can, depending on materials used, be as long as tens of seconds. However, most of the pra ...

SPIE2012

Inkjet printed capacitive transducers on flexible plastic substrates with increase stability

Nico de Rooij, Danick Briand, Francisco Molina Lopez

Inkjet printed interdigitated transducers have been produced on flexible substrates and optimized for gas sensing applications by improving the sintering conditions and employing additional passivation procedures, like electroplating with Ni or whole trans ...

2012

Flexible polyimide-based force sensor

Martinus Gijs, Jagoda Anna Dobrzynska

We have realized a flexible force sensor, composed of four redundant capacitors, the operation of which is based on the measurement of a load-induced capacitance change. We use polyimide both as flexible substrate and as elastic dielectric between two leve ...

Elsevier2012

Piezoresistive effect in epoxy–graphite composites

Peter Ryser, Thomas Maeder

In this work, we investigate the piezoresistive response of epoxy–graphite composites. A resistive thick-film Wheatstone bridge is deposited by screen-printing onto a beam, a weight is then applied on the tip of the beam and the resulting electrical signal ...

Elsevier2012

Alkaline niobate nanowires as opto-mechanical probes

Aleksandra Radenovic, Fabrizia Dutto

Perovskite alkaline niobate (XNbO3) nanowires are attracting lots of attention having a variety of interesting properties such as significant nonlinear optical response, pronounced birefringence, considerable piezoelectric, pyroelectric, photorefractive, a ...

Spie-Int Soc Optical Engineering2012

Positive effective Q(12) electrostrictive coefficient in perovskites

Alexander Tagantsev, Alexander Kvasov

It is demonstrated that for classical perovskites, such as BaTiO3; SrTiO3, and PbTiO3, electrostrictive strain induced by an electric field may not obey traditionally considered "extension along the field and contraction perpendicular to it" behavior if th ...

American Institute of Physics2012

Resonant PZT MEMS Scanner for High-Resolution Displays

Paul Muralt, Davide Balma, Sven Holmström

A resonant piezoelectric scanner is developed for high-resolution laser-scanning displays. A novel actuation scheme combines the principle of mechanical amplification with lead zirconate titanate (PZT) thin-film actuation. Sinusoidal actuation with 24 V at ...

Institute of Electrical and Electronics Engineers2012

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Structure and properties of La-modified Na0.5Bi0.5TiO3 at ambient and elevated temperatures

Performance improvement of a micro thermomechanical generator by incorporating Galinstan (R) micro droplet arrays

The need for speed

Inkjet printed capacitive transducers on flexible plastic substrates with increase stability

Flexible polyimide-based force sensor

Piezoresistive effect in epoxy–graphite composites

Design and performance of the South Pole Acoustic Test Setup

Alkaline niobate nanowires as opto-mechanical probes

Positive effective Q(12) electrostrictive coefficient in perovskites

Resonant PZT MEMS Scanner for High-Resolution Displays

Inkjet printed capacitive transducers on flexible plastic substrates with increase stability

The need for speed

Flexible polyimide-based force sensor

Alkaline niobate nanowires as opto-mechanical probes

Design and performance of the South Pole Acoustic Test Setup

Resonant PZT MEMS Scanner for High-Resolution Displays

Positive effective Q(12) electrostrictive coefficient in perovskites

Structure and properties of La-modified Na0.5Bi0.5TiO3 at ambient and elevated temperatures

Performance improvement of a micro thermomechanical generator by incorporating Galinstan (R) micro droplet arrays

Piezoresistive effect in epoxy–graphite composites