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Concept

Biasing

Related publications (29)

An Ultralow-Power Triaxial MEMS Accelerometer With High-Voltage Biasing and Electrostatic Mismatch Compensation

Kyojin Choo

This article presents a triaxial micro electromechani-cal system (MEMS) capacitive accelerometer using a high-voltage biasing technique to achieve high resolution with ultralow power. The accelerometer system generates a differential pair of high voltages ...

Ieee-Inst Electrical Electronics Engineers Inc2024

SPAD Developed in 55 nm Bipolar-CMOS-DMOS Technology Achieving Near 90% Peak PDP

Edoardo Charbon, Claudio Bruschini, Francesco Gramuglia, Myung Jae Lee, Ekin Kizilkan, Pouyan Keshavarzian, Won Yong Ha

We present a single-photon avalanche diode (SPAD) developed in 55 nm bipolar-CMOS-DMOS (BCD) technology, which achieves high photon detection probability (PDP) while its breakdown voltage is lower than 20 V. To enhance the PDP performance, the SPAD junctio ...

Ieee-Inst Electrical Electronics Engineers Inc2024

Light Emission and Conductance Fluctuations in Electrically Driven and Plasmonically Enhanced Molecular Junctions

Christophe Marcel Georges Galland, Wen Chen, Sakthi Priya Amirtharaj, Konstantin Malchow, Zhiyuan Xie

Electrically connected and plasmonically enhanced molecular junctions combine the optical functionalities of high field confinement and enhancement (cavity function), and of high radiative efficiency (antenna function) with the electrical functionalities o ...

Amer Chemical Soc2024

Self-Synchronized Grid Impedance Estimation Unit using Interpolated DFT Technique

Drazen Dujic, Andrea Cervone, Jules Christian Georges Macé

Estimating the impedance of a grid-connected device or of a grid at the point of common coupling is important for evaluating the interaction between them. Impedance measurement involves a perturbation injection device, that perturbs the system, and a measu ...

2023

Mechanistic study on the evolution of vacancies in graphene by oxidation by scanning tunneling microscopy

Shaoxian Li

Nanostructured graphitic materials, including graphene hosting Å to nanometer-sized pores, have attracted attention for various applications such as separations, sensors, and energy storage. Graphene with Å-scale pores is a promising next-generation materi ...

EPFL2023

Charge sensing properties ofmonolithic CMOS pixel sensors fabricated in a 65 nm technology

Francesco Piro

In this work the initial performance studies of the first small monolithic pixel sensors dedicated to charged particle detection, called CE-65, fabricated in the 65nm TowerJazz Panasonic Semiconductor Company are presented. The tested prototypes comprise m ...

ELSEVIER2022

High-Temperature HEMT Mode

Farzan Jazaeri

Taking into account the impact of self-heating and temperature rise effects, this work presents a physics-based analytical model for HEMTs, operating continuously from room temperature to high temperatures in linear and saturation regimes. Relying on the c ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

Extended-gate field-effect transistor with aptamer functionalisation layer for measuring hormone concentration in biofluids and corresponding fabrication method

Mihai Adrian Ionescu, Shokoofeh Sheibani

The present invention concerns a biosensor (1) for sensing stress hormone cortisol concentration in a biofluid (27). The biosensor (1) comprises: an electrical transistor transducer (3) comprising a transistor gate electrode (17); a sensing electrode eleme ...

2022

TID Degradation Mechanisms in 16-nm Bulk FinFETs Irradiated to Ultrahigh Doses

Christian Enz

This article investigates the total ionizing dose (TID) degradation mechanisms of 16-nm bulk Si FinFETs at ultrahigh doses. n- and p-FinFETs with several channel lengths are irradiated up to 1 Grad(SiO2) and then annealed for 24 h at 100 degrees C. Irradia ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2021

Enhancement Mode Tri-gate GaN Power Devices and Logic Circuits

Minghua Zhu

Gallium Nitride (GaN) is one of the most promising materials for high frequency power switching due to its exceptional properties such as large saturation velocity, high carrier mobility, and high breakdown field strength. The high switching frequency of G ...

EPFL2021

Adaptive Body Biasing in Strong Body Factor Technologies

Thomas Christoph Müller

With the advent of intelligent sensor nodes in everyday life, low power aspects of system design become more and more important. Adaptive body biasing is a promising methodology to achieve dynamic adaptation of the tradeoff between performance and energy b ...

EPFL2021

Negative capacitance semiconductor sensor

Mihai Adrian Ionescu, Ali Saeidi, Francesco Bellando

The present invention relates to a semiconductor sensor (1) comprising: a source element (17, 19); a drain element (21, 23); a semiconductor channel element (25) between the source element (17, 19) and the drain element (21, 23) for forming an electrically ...

2020

Monitoring radiation damage in the LHCb Tracker

Mark Tobin, Elena Graverini, Preema Rennee Pais, Pavol Stefko, Achille Mauri

This paper presents the techniques used to monitor radiation damage in the LHCb Tracker Turicensis during the LHC Runs 1 and 2. Bulk leakage currents in the silicon sensors were monitored continuously, while the full depletion voltages of the sensors were ...

2020

Modeling of Short-Channel Effects in GaN HEMTs

Farzan Jazaeri

In this article, we propose an explicit and analytic charge-based model for estimating short-channel effects (SCEs) in GaN high-electron-mobility transistor (HEMT) devices. The proposed model is derived from the physical charge-based core of the ecole Poly ...

2020

Ionizing-Radiation Response and Low-Frequency Noise of 28-nm MOSFETs at Ultrahigh Doses

Christian Enz

Total ionizing dose (TID) mechanisms are investigated in 28-nm MOSFETs via dc static and low-frequency noise measurements. nMOSFETs and pMOSFETs are irradiated up to 1 Grad(SiO2) and annealed at high temperatures. TID sensitivity depends on the channel len ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

Analysis of Large-Signal Output Capacitance of Transistors using Sawyer–Tower Circuit

Elison de Nazareth Matioli, Remco Franciscus Peter van Erp, Armin Jafari, Palliyage Srilak Nirmana Perera, Georgios Kampitsis

A detailed analysis on the Sawyer–Tower method used in the measurement of large-signal output capacitance (Co) of power transistors is presented, followed by important design recommendations to obtain accurate results. Key factors affecting the proper impl ...

2020

Impact of negative bias on the piezoelectric properties through the incidence of abnormal oriented grains in Al0.62Sc0.38N thin films

Paul Muralt, Thomas La Grange, Fazel Parsapour, Silviu Cosmin Sandu, Lukas Riemer, Robin Nigon, Xiao Di

Sputter deposited A1ScN films with an Sc content of 38 at % were investigated by X-ray diffraction and electron microscopy to study the influence of the radio frequency (RF) bias on the growth of abnormally oriented grains (AOG). Scanning electron microsco ...

2020

Prediction of optically-triggered amplification in phototransistor with SPICE circuit simulators

Jean-Michel Sallese, Chiara Rossi

Modeling of optoelectronic devices involves long and complex numerical simulations, usually performed with TCAD tools. Numerical simulations provide accurate results for a single device but are not feasible when dealing with a full circuit comprising sever ...

SPIE-INT SOC OPTICAL ENGINEERING2020

Double-gate field-effect-transistor based biosensor

Mihai Adrian Ionescu, Hoël Maxime Guérin

The present invention concerns a biosensor (1) comprising: a source element (13); a drain element (17); a semiconductor channel element between the source element (13) and the drain element (17) for forming an electrically conductive channel with adjustabl ...

2019

Broadband Zero-Bias RF Field-Effect Rectifiers Based on AlGaN/GaN Nanowires

Elison de Nazareth Matioli, Mohammad Samizadeh Nikooytabalvandani, Giovanni Santoruvo

Microwave zero-bias rectifiers are fast devices capable of rectifying RF signals without applied bias, which have applications ranging from RF power detection to THz imaging systems. Here we present gated nanowire field-effect rectifiers (NW-FERs) fabricat ...

2019