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Montserrat Fernandez-Bolanos Badia

Cette personne a quitté l’EPFL

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Publications associées (45)

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RF MEMS Switches for Wide-band (5 - 40 GHz), Tuneable Filters and DMTL Phase Shifters

Montserrat Fernandez-Bolanos Badia

In wireless communications, radio frequency micro-electro-mechanical systems (RF MEMS) technology is attracting tremendous interest across the world as the needs of frequencies gets higher, data bandwidth gets larger and multiple broadband signals have to ...

EPFL2010

Electrothermal actuation of vanadium dioxide for tunable capacitors and microwave filters with integrated microheaters

Luca Petit, Mihai Adrian Ionescu, Andreas Schueler, Montserrat Fernandez-Bolanos Badia, Wolfgang Amadeus Vitale, Clara-Fausta Moldovan, Antonio Paone

We report the fabrication, modeling and characterization of novel microwave tunable capacitors based on the metal-insulator transition (MIT) of Vanadium Dioxide (VO2) as a future replacement solution for microelectromechanical capacitive switches. We prese ...

Elsevier Science Sa2016

Highly Tunable Band-Stop Filters Based on AIN RF MEM Capacitive Switches with Inductive Arms and Zipping Capacitive Coupling

Mihai Adrian Ionescu, Catherine Dehollain, Montserrat Fernandez-Bolanos Badia

This paper presents wideband tunable band-stop filters working in the Ku to Ka-band frequencies based on a miniature single-MEM device combining a central capacitive MEM switch with AlN dielectric and inductive suspension arms. An outstanding 55% tuning ra ...

IEEE2009

Nanoelectromechanical digital logic circuits using curved cantilever switches with amorphous-carbon-coated contacts

Montserrat Fernandez-Bolanos Badia, Antonios Bazigos

Nanoelectromechanical (NEM) switches have the potential to complement or replace traditional CMOS transistors in the area of ultra-low-power digital electronics. This paper reports the demonstration of prototype circuits including the first 3-stage ring os ...

2014

Component design and testing for a miniaturised autonomous sensor based on a nanowire materials platform

Mihai Adrian Ionescu, Maher Kayal, François Krummenacher, Montserrat Fernandez-Bolanos Badia, Elizabeth Buitrago Godinez, Naser Khosro Pour

We present the design considerations of an autonomous wireless sensor and discuss the fabrication and testing of the various components including the energy harvester, the active sensing devices and the power management and sensor interface circuits. A com ...

Springer2014

RF MEMS power sensors for ultra-low power wake-up circuit applications

Mihai Adrian Ionescu, Catherine Dehollain, Montserrat Fernandez-Bolanos Badia, Antonios Bazigos, Wolfgang Amadeus Vitale

Power savings requirements in wake-up circuits and RFID applications can greatly benefit from the emerging RF MEM technology. In this paper we report an RF MEM power sensor that can simultaneously offer significant power savings and co-integration with wak ...

2013

Tunable band-stop filter based on single RF MEMS capacitive shunt switch with meander arm inductance

Mihai Adrian Ionescu, Catherine Dehollain, Montserrat Fernandez-Bolanos Badia

This paper presents a novel high-frequency tunable band-stop filter concept based on a single MEMS capacitive shunt device which uses meander arm anchoring inductors and with a total size of 300 × 600 μm. Tuning ranges of the central frequency in the order ...

Elsevier2010

A Reconfigurable Inductor Based on Vanadium Dioxide Insulator-to-Metal Transition

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Emanuele Andrea Casu, Matteo Cavalieri, Andrei Müller, Alessandro Fumarola

This letter introduces a reconfigurable planar square-coil-shaped inductor exploiting as the tuning mechanism the insulator-to-metal transition (IMT) of a vanadium dioxide (VO2) switch placed in the interwinding space in an unprecedented manner. The VO2 th ...

2018

Electrical characterization of high performance, liquid gated vertically stacked SiNW-based 3D FET biosensors

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Hoël Maxime Guérin, Elizabeth Buitrago Godinez

A 3D vertically stacked silicon nanowire (SiNW) field effect transistor featuring a high density array of fully depleted channels gated by a backgate and one or two symmetrical platinum side-gates through a liquid has been electrically characterized for th ...

Elsevier Science Sa2014

The top-down fabrication of a 3D-integrated, fully CMOS-compatible FET biosensor based on vertically stacked SiNWs and FinFETs

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Elizabeth Buitrago Godinez, Sara Rigante

A 3D vertically stacked silicon nanowire (SiNW) and Fin field effect transistor (FET) featuring a high density array (7 or 8 x 20 SiNWs, > 4 Fins vertically stacked) of fully depleted, ultra-thin (SiNWs diameters similar to 15-30 nm, Fin width/height fw si ...

Elsevier2014

Junctionless silicon nanowire transistors for the tunable operation of a highly sensitive, low power sensor

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Elizabeth Buitrago Godinez, Matthieu Berthomé

Silicon nanowire (SiNW) field effect transistors (FETs) have been widely investigated as biological sensors for their remarkable sensitivity due to their large surface to volume ratio (S/V) and high selectivity towards a myriad of analytes through function ...

Elsevier2013

A 6.7 MHz Nanoelectromechanical Ring Oscillator Using Curved Cantilever Switches Coated with Amorphous Carbon

Montserrat Fernandez-Bolanos Badia, Antonios Bazigos

Nanoelectromechanical (NEM) switches have the potential to complement or replace traditional CMOS transistors in the area of ultra-low power digital electronics. This paper reports the demonstration of the first ring oscillator built using cell-level digit ...

IEEE2014

Vertically stacked Si nanostructures for biosensing applications

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Elizabeth Buitrago Godinez

High density (7-10 NW/μm) SiNW arrays of up to 16 nanowires vertically stacked with diameter widths below 20 nm have been successfully fabricated to create highly sensitive 3D FETs for biosensing applications. In order to take advantage of the increased se ...

Elsevier2012

RF MEMS capacitive switch on semi-suspended CPW using low-loss high-resistivity silicon substrate

Mihai Adrian Ionescu, Julien Perruisseau-Carrier, Montserrat Fernandez-Bolanos Badia

A high capacitive ratio RF MEMS switch, with low-actuation voltage is designed, fabricated and experimentally validated on high-resistivity silicon (HRS) substrate. Thanks to very good fabrication control of all steps and to the high dielectric constant of ...

Elsevier2008

Carbon nanotube gas sensor array for multiplex analyte discrimination

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Hoël Maxime Guérin, Elizabeth Buitrago Godinez

The lack of selectivity toward a particular analyte has always been the primary concern regarding CNT-based gas sensors. For that reason, in here we present a gas discrimination strategy that focuses on the electrode-CNT junction. The junction is shown to ...

Elsevier Science Sa2015

Centre frequency and bandwidth tunable bandpass filter based on RF MEMS (10-14 GHz)

Mihai Adrian Ionescu, Catherine Dehollain, Montserrat Fernandez-Bolanos Badia

This paper presents a novel tunable bandpass filter design with independent control of both the centre frequency and the bandwidth by means of analogue-series and digital-shunt MEMS capacitors. The filter is designed for operation in X and Ku bands with 4 ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

3D Smith charts scattering parameters frequency-dependent orientation analysis and complex-scalar multi-parameter characterization applied to Peano reconfigurable vanadium dioxide inductors

Mihai Adrian Ionescu, Andreas Schueler, Josef Andreas Schuler, Anna Krammer, Montserrat Fernandez-Bolanos Badia, Emanuele Andrea Casu, Matteo Cavalieri, Andrei Müller, Junrui Zhang

Recently, the field of Metal-Insulator-Transition (MIT) materials has emerged as an unconventional solution for novel energy efficient electronic functions, such as steep slope subthermionic switches, neuromorphic hardware, reconfigurable radiofrequency fu ...

Nature Research2019

Embedded Passive Nano-Liter Micropump For Sweat Collection And Analysis

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Francesco Bellando, Hoël Maxime Guérin, Fabien Patrick Wildhaber, Erick Antonio Garcia Cordero, Johan Frédéric Longo

This paper presents a method to integrate biocompatible passive microfluidic systems within a sensing platform to allow continuous analysis of sweat in a wearable microsystem. The technology is promising for miniaturization of systems to enable access to b ...

IEEE2018

NanoElectronics roadmap for Europe: From nanodevices and innovative materials to system integration

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Lucia Baldi Unser

The NEREID project ("NanoElectronics Roadmap for Europe: Identification and Dissemination") is dedicated to mapping the future of European Nanoelectronics. NEREID's objective is to develop a medium and long term roadmap for the European nanoelectronics ind ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Advanced Sensor Systems by Low-Temperature Heterogeneous 3D Integration Processes

Montserrat Fernandez-Bolanos Badia, Andrei Müller

A few application demonstrators of heterogeneous 3D integrated systems including innovative nanosensors for gas detection and biofludic applications have been successfully implemented showing efficient low-temperature heterogeneous integration processes, m ...

IEEE2018