Concept

High-κ dielectric

Related publications (425)

Piezoelectric resonator operating in thickness shear mode

An acoustic wave resonator device comprising a resonant layer that comprises a series of side-by-side areas of first and second dielectric materials. In one embodiment the first dielectric material is a piezoelectric, in particular the first dielectric mat ...

2010

Aero Engine Flow Control by Surface Discharge Plasma

Christoph Hollenstein, Peter Ott, Pénélope Leyland, Philip Peschke, Sami Goekce

Experimental investigations and numerical modeling with the objective to study the effects that surface discharge plasmas can provoke on aerodynamic flow situations, including high speed flows present in aero-engines, are undertaken at EPFL. The actuator’s ...

2010

The Effect Of Processing Conditions On The Morphology, Mechanical And Electrical Properties Of Batio3-Polymer Composites

Véronique Michaud, Yves Leterrier, Sara Dalle Vacche

Ferroelectric ceramic – polymer composites have a unique mix of electrical and mechanical properties. Piezoelectric and pyroelectric activity, a wide range of dielectric constants and high breakdown strength are combined with mechanical flexibility, formab ...

2010

Organic Pentacene Thin Film Transistors on Flexible Substrates Fabricated by Stencil Lithography

Katrin Sidler Arnet

This thesis presents the fabrication and characterization of organic thin film transistors (TFTs) on flexible polymer substrates and the development of compliant stencil lithography to significantly improve the patterning resolution on full-wafer scale. Po ...

EPFL2010

Metal-related gate sinking due to interfacial oxygen layer in Ir/InAlN high electron mobility transistors

Nicolas Grandjean, Jean-François Carlin, Marcus Gonschorek

We report on an annealing-induced "gate sinking" effect in a 2-nm-thin In0.17Al0.83N/AlN barrier high electron mobility transistor with Ir gate. Investigations by transmission electron microscopy linked the effect to an oxygen containing interlayer between ...

2010

Domain wall contributions in Pb(Zr,Ti)O3 ceramics at morphotropic phase boundary: A study of dielectric dispersion

Dragan Damjanovic, Li Jin, Viktor Porokhonskyy

The dielectric properties of undoped, Nb-, and Fe-doped Pb(Zr,Ti)O3 ceramics with composition near morphotropic phase boundary were investigated in the frequency range from 1 MHz to 20.2 GHz at room temperature. Temperature dependences of dielectric permit ...

American Institute of Physics2010

Controlling plasmonic resonances in binary metallic nanostructures

Olivier Martin

Investigation on the interplay of plasmonic resonances in binary nanostructures indicated that, at a fixed wavelength, with a variation in the difference permittivity ratio eta=(epsilon(2)-epsilon(0)/epsilon(1)-epsilon(0)), resonances exhibit the dielectri ...

2010

The Effect of Interface Modification on the Properties of Organic Thin-Film Transistors

Franziska Dora Fleischli

In organic thin-film transistors (OTFTs), the conducting channel is located near the interface between the organic semiconductor and the dielectric; this interface is crucial for transistor performance. The goal of this thesis is to study the effect of thi ...

EPFL2010

Recent Developments on the EPFL-High Voltage MOSFET Model (EPFL-HVMOS)

Jean-Michel Sallese, François Krummenacher, Antonios Bazigos

We present the latest developments and some preliminary results on High-Voltage MOSFET modelling at EPFL. A novel physics-based compact model is derived for the drift region. It includes velocity saturation and Poisson equation in a self consistent formali ...

2010

Dielectric and acoustical high frequency characterisation of PZT thin films

Paul Muralt, Janine Conde

Pb(Zr, Ti)O-3 (PZT) is an interesting material for bulk acoustic wave resonator applications due to its high electromechanical coupling constant, which would enable fabrication of large bandwidth frequency filters. The major challenge of the PZT solid solu ...

Iop Publishing Ltd, Dirac House, Temple Back, Bristol Bs1 6Be, England2010

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