Concept

Electrometer

Related publications (23)

Compact, Energy-Efficient High-Frequency Switched Capacitor Neural Stimulator With Active Charge Balancing

Safety and energy efficiency are two major concerns for implantable neural stimulators. This paper presents a novel high-frequency, switched capacitor (HFSC) stimulation and active charge balancing scheme, which achieves high energy efficiency and well-con ...

Ieee-Inst Electrical Electronics Engineers Inc2017

Enhanced Electrical Performance and Heat Dissipation in AlGaN/GaN Schottky Barrier Diodes Using Hybrid Tri-anode Structure

Elison de Nazareth Matioli, Jun Ma, Giovanni Santoruvo, Pulkit Tandon

Enhanced performance in AlGaN/GaN Schottky barrier diodes (SBDs) is investigated using a nanowire hybrid tri-anode structure that integrates 3-D Schottky junctions with tri-gate transistors. The fabricated SBDs presented an increased output current density ...

Institute of Electrical and Electronics Engineers2016

A Five-Level NPC Photovoltaic Inverter with an Actively Balanced Capacitive Voltage Divider

Alfred Rufer

A new five-level photovoltaic Inverter is presented, implemented by associating a Multistage Stacked Boost Architecture (MSBA) with a 5-level NPC inverter. Ahead of the MSBA conversion stage, a conventional boost converter allows the operation of the PV ce ...

2015

Modelling oriented investigations of primary radiation damage in ultra high purity Fe and FeCr alloys

Anna Prokhodtseva

In the quest of the structural materials for the future fusion reactor, it has been shown that ferritic/martensitic (F/M) steels are very promising candidates, with a good radiation resistance in terms of damage accumulation in the microstructure relative ...

EPFL2013

On the Static and Dynamic Behavior of the Germanium Electron-Hole Bilayer Tunnel FET

Mihai Adrian Ionescu, Luca De Michielis, Livio Lattanzio, Nilay Dagtekin

Tunnel FETs (TFETs) are being intensively investigated for their potential in achieving subthermal switching slopes and extremely low leakage currents. Recently, a promising concept has been proposed: the electron-hole bilayer TFET (EHBTFET), which exploit ...

Ieee-Inst Electrical Electronics Engineers Inc2012

Multilevel two quadrant DC/DC converter for regenerative braking in mobile applications

Alfred Rufer, Daniel Montesinos Miracle

In this paper different cascaded and multilevel topologies are compared for regenerative braking systems using supercapacitors (SC). It shows that the multilevel buck derived topology can beneficiate from both reduced voltage across the inductor and increa ...

2011

Recombination coefficients of GaN-based laser diodes

Nicolas Grandjean, Jean-François Carlin, Julien Dorsaz, Luca Alex Milo Sulmoni

We measure the charge carrier recombination coefficients of InGaN quantum wells by analyzing the dynamical properties of (Al,In)GaN laser diodes emitting in the violet spectral range. Relaxation oscillations and turn-on delays are fitted to a rate equation ...

2011

Design of an integrated low-noise read-out system for DNA capacitive sensors

Sandro Carrara, Daniela De Venuto

This paper presents an electronic system for a fast DNA label-less detection. The sensitivity of the capacitive sensor in use is improved by depositing an insulating self-assembled monolayer (SAM) over the golden electrodes. The capacitance shift due to th ...

Elsevier2009

Photoelectrochemical properties of sensitized thin films

Mohamad Hojeij

In recent years, the fabrication of novel ultrathin film systems featuring multi-functionalities has been extensively studied due to their potential applications in photonics, sensors and solar cells. In a general sense, the primary goal of the present the ...

EPFL2009

Gel-free IEF in a membrane-sealed multicompartment cell for proteome prefractionation

Hubert Girault, Hoang-Trang Lam

A minidevice for performing gel-free proteome prefractionation via conventional IEF in soluble carrier ampholyte buffers is reported here. It consists of a compact block of poly-oxymethylene in which eight samples and two electrode chambers are machined. E ...

2007

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