Enginyeria Electrònica i Biomèdica

Els materials de recerca de la Universitat de Barcelona (UB) a RECERCAT s'obtenen de les col·leccions de Recerca del Dipòsit Digital de la UB.
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Política d’accés obert a la UB


Publicacions en accés obert derivades de l'activitat investigadora del professorat de la Universitat de Barcelona.

Enviaments recents

Design, Additive Manufacturing, and Characterization of a Symmetric 3-Way Wilkinson Power Divider/Combiner 

López Villegas, José María; Vidal Martínez, Neus (2025-12-05)

This work presents the design, manufacturing and electromagnetic characterization of compact 3-way Wilkinson power divider/combiner prototypes intended to work in the sub-GHz frequency band. The primary objective is to ...

The DMAPS upgrade of the Belle II vertex detector 

Belle II VTX Collaboration; Belle II VTX Upgrade Group; Alonso Casanovas, Oscar; Dieguez Barrientos, Angel (2025-07-14)

The Belle II experiment at KEK in Japan considers an upgrade for the vertex detector system in line with the accelerator upgrade for higher luminosity at long shutdown 2 planned for 2028. One proposal for the upgrade of ...

Enhancing the detection of low-energy M dwarf flares: wavelet-based denoising of CHEOPS data 

Poyatos, Julien; Fors Aldrich, Octavi; Gómez Cama, José María; Ribas Canudas, Ignasi (2025-11-06)

Stellar flares are powerful bursts of electromagnetic radiation triggered by magnetic reconnection in the chromosphere of stars, occurring frequently and intensely on active M dwarfs. While missions like TESS and Kepler ...

ZIF-8-Based Surface Plasmon Resonance and Fabry–Pérot Sensors for Volatile Organic Compounds 

Estany Macià, Anna; Fort Grandas, Ignasi; Joshi, Nirav; Svendsen, Winnie Edith; Dimaki, Maria; Romano Rodríguez, Albert; Moreno Sereno, Mauricio (2025-07-28)

This work explores the use of ZIF-8, a metal–organic framework (MOF) material, for its use in the optical detection of volatile organic compounds (VOCs) in Fabry–Pérot and surface plasmon resonance (SPR)-based sensors. The ...

Soft topographical patterns trigger a stiffness-dependent cellular response to contact guidance 

Comelles Pujadas, Jordi; Fernandez Majada, Vanesa; Acevedo, Verónica; Rebollo Calderón, Beatriz; Martínez Fraiz, Elena (2025-07-07)

Topographical patterns are a powerful tool to study directional migration. Grooved substrates have been extensively used as in vitro models of aligned extracellular matrix fibers because they induce cell elongation, ...

Soft topographical patterns trigger a stiffness-dependent cellular response to contact guidance 

Comelles Pujadas, Jordi; Fernandez Majada, Vanesa; Acevedo, Verónica; Rebollo Calderón, Beatriz; Martínez Fraiz, Elena (2025-07-07)

Topographical patterns are a powerful tool to study directional migration. Grooved substrates have been extensively used as in vitro models of aligned extracellular matrix fibers because they induce cell elongation, ...

Color QR Codes for Smartphone-Based Analysis of Free Chlorine in Drinking Water 

González-Gómez, María; Benito Altamirano, Ismael; Lizarzaburu-Aguilar, Hanna; Martínez-Carpena, David; Prades García, Juan Daniel; Fabrega Gallego, Cristian (2025-05-30)

Free chlorine (FC) plays a crucial role in ensuring the safety of drinking water by effectively inactivating pathogenic microorganisms. However, traditional methods for measuring FC levels often require specialized equipment ...

Area-Efficient Mixed-Signal Time-to-Digital Converter Integration for Time-Resolved Photon Counting 

Moreno Martín, Sergio; Moro, Victor; Canals Gil, Joan; Diéguez Barrientos, Àngel (2025-05-05)

Digital histogram generation for time-resolved measurements with single-photon avalanche diode (SPAD) sensors requires the storage of many timestamp signals. This work presents a mixed-signal time-to-digital converter (TDC) ...

Psalsa baseline correction 

Pardo Martínez, Antonio; Fernández Romero, Luis; Oller Moreno, Sergio; Marco Colás, Santiago (2025-03-31)

All scripts run on MATLAB (https://www.mathworks.com/products/matlab.html)

Unidirectional Synchronization of Silicon Optomechanical Nanobeam Oscillators by External Feedback 

Alonso-Tomás, David; E. Capuj, Néstor; Mercadé, Laura; Griol, Amadeu; Martínez, Alejandro; Navarro Urrios, Daniel (2025-01-21)

The remote synchronization of oscillators is essential for improving the performance, efficiency, and reliability of various systems and technologies, ranging from everyday telecommunications to cutting-edge scientific ...

Mimicking human skin constructs using norbornene-pullulan-based hydrogels 

Cirulli, A.; Borgheti-Cardoso, L.N.; Torras, Núria; Martínez Fraiz, Elena (2024-09-23)

There has been a huge demand for engineered skin tissues in the realms of both in vitro and in vivo applications. Selecting the right material scaffold is a critical consideration in making engineered skin tissues, since ...

Oxide wizard: a script to characterize white lines of transition metal edges in EELS spectra 

Yedra Cardona, Lluís; Estradé Albiol, Sònia; Peiró Martínez, Francisca (2014-03-17)

The scripts 0 and 1 have to be installed in the library, while 2 and 3 can be installed as menus. Please install the scripts in order. Open the oxide wizard from the menu, then, follow the instructions. When dealing with ...

WhatEELS. A new software solution for ELNES analysis 

Blanco Portals, Javier; Peiró Martínez, Francisca; Estradé Albiol, Sònia (2021-07-01)

WhatEELS is a free software tool based in Python, specifically designed to facilitate the combined use of clustering and non-linear least squares (NLLS) fitting for the analysis of Energy Loss Near Edge Structures (ELNES) ...

Diffraction grating couplers milled in Si3N4 rib waveguides with a focused ion beam 

Zinoviev, K.; Domínguez, Carlos (Domínguez Horna); Vilà i Arbonès, Anna Maria (2014-09-02)

Focused ion beam milling is a processing technology which allows flexible direct writing of nanometer scale features efficiently substituting electron beam lithography. No mask need results in ability for patterns writing ...

Properties of Nanocrystalline Silicon Probed by Optomechanics 

Navarro Urrios, Daniel; Colombano, Martín F.; Maire, Jérémie; Chavez Ángel, Emigdio; Arregui, Guillermo; Capuj, Néstor E.; Devos, Arnaud; Griol, Amadeu; Bellieres, Laurent; Martínez, Alejandro; Grigoras, Kestutis; Häkkinen, Teija; Saarilahti, Jaakko; Makkonen, Tapani; Sotomayor Torres, Clivia M.; Ahopelto, Jouni (2021-07-28)

Nanocrystalline materials exhibit properties that can differ substantially from those of their single crystal counterparts. As such, they provide ways to enhance and optimize their functionality for devices and applications. ...

On-line event detection by recursive dynamic principal component analysis and gas sensor arrays under drift conditions 

Perera Lluna, Alexandre; Papamichail, Niko; Barsan, Nicolae; Weimar, Udo; Marco Colás, Santiago (2009-06-19)

Leakage detection is an important issue in many chemical sensing applications. Leakage detection hy thresholds suffers from important drawbacks when sensors have serious drifts or they are affected by cross-sensitivities. ...

Efficient energy transfer from Si clusters to Er3+ in complex silicate glasses 

Lebour, Youcef; Pellegrino, Paolo; García Favrot, Cristina; Moreno, J. A.; Garrido Fernández, Blas (2012-05-03)

We present an extensive study of the structural and optical emission properties in aluminum silicates and soda-lime silicates codoped with Si nanoclusters (Si-nc) and Er. Si excess of 5 and 15¿at.¿% and Er concentrations ...

Silicon nanocluster sensitization of erbium ions under low-energy optical excitation 

Prtljaga, Nikola; Navarro Urrios, Daniel; Pitanti, Alessandro; Ferrarese Lupi, Federico; Garrido Fernández, Blas; Pavesi, Lorenzo (2012-07-05)

The sensitizing action of amorphous silicon nanoclusters on erbium ions in thin silica films has been studied under low-energy (long wavelength) optical excitation. Profound differences in fast visible and infrared emission ...

Far-field characterization of the thermal dynamics in lasing microspheres 

Ramírez Ramírez, Joan Manel; Navarro Urrios, Daniel; Capuj, Néstor E.; Berencén Ramírez, Yonder Antonio; Pitanti, Alessandro; Garrido Fernández, Blas; Tredicucci, Alessandro (2018-11-15)

This work reports the dynamical thermal behavior of lasing microspheres placed on a dielectric substrate while they are homogeneously heated-up by the top-pump laser used to excite the active medium. The lasing modes are ...

Data treatment proceedures for EELS analysis combining dimensionality reduction and clustering 

Blanco Portals, Javier; Peiró Martínez, Francisca; Estradé Albiol, Sònia (2021-07-28)

This notebook exemplifies the combined use of dimensionality reduction techinques and clustering analysis strategies showcased in - Strategies for EELS data analysis. Dimensionality reduction and clustering analysis. ...

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