Mostrando ítems 101-120 de 781

    3D Visualization of the Iron Oxidation State in FeO/Fe3O4 Core-Shell Nanocubes from Electron Energy Loss Tomography. 

    Torruella Besa, Pau; Arenal, Raúl; de la Peña, Francisco; Saghi, Zineb; Yedra Cardona, Lluís; Eljarrat Ascunce, Alberto; López Conesa, Lluís; Estrader i Bofarull, Marta; Salazar-Alvarez, German; Nogués, Josep; Ducati, Caterina; Midgley, Paul A.; Peiró Martínez, Francisca; Estradé Albiol, Sònia; López-Ortega, Alberto (Fecha de publicación: 2017-07-19)

    Left panel shows the explained variance ratio of the principal component analysis (PCA) decomposition. The six first components, which are enough to explain the whole data set, are plotted in the right panel. Components ...

    Correlation between charge transport and electroluminescence properties of Si-rich oxide/nitride/oxide-based light emitting capacitors. 

    Berencén Ramírez, Yonder Antonio; Ramírez Ramírez, Joan Manel; Jambois, Olivier; Domínguez, Carlos (Domínguez Horna); Rodríguez, J. A.; Garrido Fernández, Blas (Fecha de publicación: 2012-10-11)

    The electrical and electroluminescence (EL) properties at room and high temperatures of oxide/ nitride/oxide (ONO)-based light emitting capacitors are studied. The ONO multidielectric layer is enriched with silicon by means ...

    Catheter design primer for neurointerventionalists 

    Bilgin, Cem; Hutar, Jared; Li, Jiahui; Castaño Linares, Óscar; Ribó Jacobi, Marc; Kallmes, David F. (Fecha de publicación: 2023-07-04)

    Neurovascular catheter technology has rapidly evolved over the past decade. While performance characteristics are well known to the practitioner, the design features of these new-generation catheters and their implications ...

    Growth, optical characterization, and laser operation of a stoichiometric crystal KYb(WO4)(2) 

    Pujol Baigés, Maria Cinta; Bursukova, M.; Güell Vilà, Frank; Mateos Ferré, Xavier; Solé i Cartañá, Rosa Ma.; Gavaldà, Josefina; Aguiló Díaz, Magdalena; Massons, Jaume; Díaz, Francesc (Díaz González); Klopp, P.; Griebner, Uwe; Petrov, Valentin (Fecha de publicación: 2009-12-29)

    We present our recent achievements in the growing and optical characterization of KYb(WO4)2 (hereafter KYbW) crystals and demonstrate laser operation in this stoichiometric material. Single crystals of KYbW with optimal ...

    Operational experience and commissioning of the Belle II vertex detector 

    Diéguez Barrientos, Àngel; Alonso Casanovas, Oscar; Belle II VTX Collaboration (Fecha de publicación: 2020-04-24)

    The construction of the new accelerator at the Super Flavor Factory in Tsukuba, Japan, has been finalized and the commissioning of its detector (Belle II) has started. This new e+e􀀀 machine (SuperKEKB) will deliver an ...

    Influence of compositionally induced defects on the vibrational properties of device grade Cu2ZnSnSe4 absorbers for kesterite based solar cells 

    Dimitrievska, Mirjana; Fairbrother, Andrew; Saucedo Silva, Edgardo; Pérez Rodríguez, Alejandro; Izquierdo Roca, Victor (Fecha de publicación: 2019-02-12)

    This work presents a detailed analysis of the impact of compositionally induced defects on the vibrational properties of Cu2ZnSnSe4 absorbers for kesterite based solar cells. Systematic changes in the intensity of the E ...

    Photothermally controlled methotrexate release system using β-cyclodextrin and gold nanoparticles 

    Silva, Nataly; Riveros, Ana; Yutronic, Nicolás; Lang, Erika; Chornik, Boris; Guerrero, Simón; Samitier i Martí, Josep; Jara, Paul; Kogan, Marcelo J. (Fecha de publicación: 2020-04-27)

    The inclusion compound (IC) of cyclodextrin (CD) containing the antitumor drug Methotrexate (MTX) as a guest molecule was obtained to increase the solubility of MTX and decrease its inherent toxic effects in nonspecific ...

    A reusable smart interface for gas sensor resistance measurement 

    Merino Panadés, José Luis; Bota Ferragut, Sebastián Antonio; Casanova Mohr, Raimon; Diéguez Barrientos, Àngel; Cané i Ballart, Carles; Samitier i Martí, Josep (Fecha de publicación: 2009-06-19)

    The advances of the semiconductor industry enable microelectromechanical systems sensors, signal conditioning logic and network access to be integrated into a smart sensor node. In this framework, a mixed-mode interface ...

    Leaky and waveguide modes in biperiodic holograms 

    Keshmiri, Hamid; Armin, Fahimeh; Elsayad, Kareem; Schreiber, Frank; Moreno Sereno, Mauricio (Fecha de publicación: 2022-05-24)

    This study details a theoretical analysis of leaky and waveguide modes in biperiodic all-dielectric holograms. By tuning diffraction orders and subsequently confining local density of optical states at two distinct resonance ...

    Silicon quantum dots embedded in a SiO2 matrix: From structural study to carrier transport properties 

    Garcia-Castello, Nuria; Illera Robles, Sergio; Guerra, Roberto; Prades García, Juan Daniel; Ossicini, Stefano; Cirera Hernández, Albert (Fecha de publicación: 2014-01-21)

    We study the details of electronic transport related to the atomistic structure of silicon quantum dots embedded in a silicon dioxide matrix using ab initio calculations of the density of states. Several structural and ...

    A dataset of color QR codes generated using back-compatible and random colorization algorithms exposed to different illumination-capture channel conditions 

    Benito Altamirano, Ismael; Martínez Carpena, David; Casals Guillén, Olga; Fàbrega Gallego, Cristian; Waag, Andreas; Prades García, Juan Daniel (Fecha de publicación: 2023-01-25)

    Color QR Codes are often generated to encode digital information, but one also could use colors or to allocate colors in a QR Code to act as a color calibration chart. In this dataset, we present several thousand QR Codes ...

    Analysis by optical absorption and transmission electron microscopy of the strain inhomogeneities in InGaAs/InP strained layers 

    Roura Grabulosa, Pere; Clark, S. A.; Bosch Estrada, José; Peiró Martínez, Francisca; Cornet i Calveras, Albert; Morante i Lleonart, Joan Ramon (Fecha de publicación: 2012-05-02)

    Optical absorption spectra and transmission electron microscopy (TEM) observations on InGaAs/InP layers under compressive strain are reported. From the band¿gap energy dispersion, the magnitude of the strain inhomogeneities. ...

    Silicon nanocrystals as an enabling material for silicon Ppotonics 

    Yuan, Zhizhong; Anopchenko, Aleksei; Daldosso, Nicola; Guider, Romain; Navarro Urrios, Daniel; Pitanti, Alessandro; Spano, Rita; Pavesi, Lorenzo (Fecha de publicación: 2011-01-25)

    Silicon nanocrystals (Si-nc) is an enabling material for silicon photonics, which is no longer an emerging field of research but an available technology with the first commercial products available on the market. In this ...

    Linear and nonlinear optical properties of Si nanocrystals in SiO2 deposited by plasma-enhanced chemical-vapor deposition 

    Hernández Márquez, Sergi; Pellegrino, Paolo; Martinez, A.; Lebour, Youcef; Garrido Fernández, Blas; Spano, Rita; Cazzanelli, M.; Daldosso, Nicola; Pavesi, Lorenzo; Jordana, E.; Fedeli, Jean-Marc (Fecha de publicación: 2012-05-03)

    Linear and nonlinear optical properties of silicon suboxide SiOx films deposited by plasma-enhanced chemical-vapor deposition have been studied for different Si excesses up to 24¿at.¿%. The layers have been fully characterized ...

    Spectroscopic ellipsometry study of Cu2ZnSnSe4 bulk crystals 

    León, Máximo; Levcenko, Sergiu; Serna, Rosalía; Bodnar, Ivan V.; Nateprov, A.; Guc, Maxim; Gurieva, G.; Lopez, N.; Merino, José Manuel; Caballero, Raquel; Schorr, S.; Pérez Rodríguez, Alejandro; Arushanov, Ernest (Fecha de publicación: 2018-09-26)

    Using spectroscopic ellipsometry we investigated and analyzed the pseudo-optical constants of Cu2ZnSnSe4 bulk crystals, grown by the Bridgman method, over 0.8-4.5 eV photon energy range. The structures found in the spectra ...

    Inkjet‐Printed p‐NiO/n‐ZnO Heterojunction Diodes for Photodetection Applications 

    González, Sergio; Vescio, Giovanni; Frieiro Castro, Juan Luis; Hauser, Alina; Linardi, Flavio; López Vidrier, Julià; Oszajca, Marek; Hernández Márquez, Sergi; Cirera Hernández, Albert; Garrido, Blas (Fecha de publicación: 2023-06-19)

    Transparent Conducting Oxides (TCOs) are an enticing family of optoelectronic materials which have been proven to increase efficiency when incorporated into perovskite light emitting diode (PE-LED) and organic OLED ...

    Low dark count geiger mode avalanche photodiodes fabricated in conventional CMOS technologies 

    Vilella Figueras, Eva; Arbat Casas, Anna; Alonso Casanovas, Oscar; Comerma Montells, Albert; Trenado, J. (Juan); Vilà i Arbonès, Anna Maria; Casanova Mohr, Raimon; Garrido Beltrán, Lluís; Diéguez Barrientos, Àngel (Fecha de publicación: 2012-08-29)

    Avalanche photodiodes operated in the Geiger mode present very high intrinsic gain and fast time response, which make the sensor an ideal option for those applications in which detectors with high sensitivity and velocity ...

    Continuous spatial representations in the olfactory bulb may reflect perceptual categories 

    Auffarth, Benjamin; Gutiérrez Gálvez, Agustín; Marco Colás, Santiago (Fecha de publicación: 2019-07-24)

    In sensory processing of odors, the olfactory bulb is an important relay station, where odor representations are noise-filtered, sharpened, and possibly re-organized. An organization by perceptual qualities has been found ...

    Continuous Live-Cell Culture Imaging and Single-Cell Tracking by Computational Lensfree LED Microscopy 

    Scholz, Gregor; Mariana, Shinta; Dharmawan, Agus Budi; Syamsu, Iqbal; Hörmann, Philipp; Reuse, Carsten; Hartmann, Jana; Hiller, Karsten; Prades García, Juan Daniel; Wasisto, Hutomo Suryo; Waag, Andreas (Fecha de publicación: 2019-03-13)

    Continuous cell culture monitoring as a way of investigating growth, proliferation, and kinetics of biological experiments is in high demand. However, commercially available solutions are typically expensive and large ...

    Perpendicular magnetic anisotropy in chemically disordered FePd-FeV(100) alloy thin films 

    Clavero, C.; García-Martín, J. M.; Armelles Reig, G.; Cebollada, Alfonso; Huttel, Y.; Estradé Albiol, Sònia; Albiol i Cobos, Jordi; Peiró Martínez, Francisca; Balcells i Argemí, Lluís (Fecha de publicación: 2012-05-03)

    We find that the use of V(100) buffer layers on MgO(001) substrates for the epitaxy of FePd binary alloys yields to the formation at intermediate and high deposition temperatures of a FePd¿FeV mixed phase due to strong V ...