Browsing by Subject "Nanotechnology"

Now showing items 21-40 of 174

    • Carbon nanotube growth process-related variablity in CNFET's 

      García Almudéver, Carmen; Rubio Sola, Jose Antonio (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Conference report
      Restricted access - publisher's policy
      In silicon bulk CMOS technology the variability of the device parameters is a key drawback that may be a limiting factor for further miniaturizing nodes. Novel nanoscale beyond- CMOS devices are being studied such as carbon ...

    • Catalytic nanomotors for environmental monitoring and water remediation 

      Soler Turu, Lluís; Sanchez, Samuel (2014-04-01)
      Article
      Restricted access - publisher's policy
      Self-propelled nanomotors hold considerable promise for developing innovative environmental applications. This review highlights the recent progress in the use of self-propelled nanomotors for water remediation and ...

    • Ceria-zirconia particles wrapped in a 2D carbon envelope: improved low-temperature oxygen transfer and oxidation activity 

      Aneggi, Eleonora; Rico Perez, Veronica; de Leitenburg, Carla; Maschio, Stefano; Soler Turu, Lluís; Llorca Piqué, Jordi; Trovarelli, Alessandro (2015-10-08)
      Article
      Open Access
      Engineering the interface between different compo-nents of heterogeneous catalysts at nanometer level canradically alter their performances.This is particularly true forceria-based catalysts where the interactions are ...

    • Characterization of nanoparticles deposition with electrospray 

      Coll Valentí, Arnau (Universitat Politècnica de Catalunya, 2010-09)
      Master thesis
      Open Access
      Nowadays the nanotechnology is pushing hard in almost every direction of the technology. Creating patterns with nanoparticles would be a very useful technique in order to manipulated nanoparticles. Here comes the ...

    • Chemically powered micro- and nanomotors 

      Sanchez, Samuel; Soler Turu, Lluís; Katuri, Jaideep (2015-01-26)
      Article
      Restricted access - publisher's policy
      Chemically powered micro- and nanomotors are small devices that are self-propelled by catalytic reactions in fluids. Taking inspiration from biomotors, scientists are aiming to find the best architecture for self-propulsion, ...

    • CMOS Law-jitter Clock Driver Design 

      Servera Mas, Bartolomeu (Universitat Politècnica de Catalunya, 2012-09)
      Master thesis
      Open Access
      [ANGLÈS] Design of a low-jitter, low-phase noise clock driver in 40 nm CMOS technology. The work is in the field of analog integrated circuit (IC) design in nanometer CMOS technologies.

    • Composites of cellulose nanocrystals in combination with either cellulose nanofibril or carboxymethylcellulose as functional packaging films 

      Fernández Santos, Julia; Valls Vidal, Cristina; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca (Elsevier, 2022-06-30)
      Article
      Open Access
      Cellulose nanocrystals (CNC) were mixed with either cellulose nanofibril (CNF) or carboxymethylcellulose (CMC) in variable proportions (0/100, 20/80, 40/60, 50/50, 60/40, 80/20 and 100/0) to obtain cast films with acceptable ...

    • Cooperative signal amplification for molecular communication in nanonetworks. 

      Abadal Cavallé, Sergi (Universitat Politècnica de Catalunya, 2011-09-19)
      Master thesis
      Open Access
      English: Nanotechnology is enabling the development of devices in a scale ranging from a few to hundreds of nanometers. Communication between these devices greatly expands the possible applications, increasing the complexity ...

    • Corrosion induced degradation of textured YBCO under operation in high humidity conditions 

      Roa Rovira, Joan Josep; Jiménez Piqué, Emilio; Díaz, Jordi A.; Morales, Manuel; Calleja Lázaro, Albert; Segarra, M. (2012-05-25)
      Article
      Restricted access - publisher's policy
      The early stages of aggressive degradation at 85% of humidity for 24 h of single crystals of YBa2Cu3O7 − δ textured by Bridgman technique have been analyzed by means of atomic force microscopy, X-ray photoelectron spectroscopy, ...

    • Cytotoxicity and antibacterial activity of selected ananoparticles 

      Ribera Puig, Joan (Universitat Politècnica de Catalunya, 2017-07-04)
      Bachelor thesis
      Restricted access - author's decision
      Nowadays, nanotechnologies are ones of the newest technologies, which a wide range of applications such as in medicine, biotechnology, electronics, energy or sensing. However, the efficiency of nanomaterials or at least ...

    • Deposition and characterization of ultra thin metal films on rigid and flexible substrates for electro-optic devices 

      Fasson, Chiara (Universitat Politècnica de Catalunya, 2010-09)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Actualmente, en la mayor parte de los dispositivos óptico-electrónicos, los electrodos transparentes están constituidos por óxidos, los Óxidos Transparentes Conductivos (TCOs). Éstos ofrecen buenas prestaciones eléctricas ...

    • Design guidelines towards compact litho-friendly regular cells 

      Gómez Fernández, Sergio; Moll Echeto, Francisco de Borja; Rubio Sola, Jose Antonio; Elhoj, Martin; Schlinker, Guilherme; Woolaway, Nigel (2011)
      Conference report
      Open Access

    • Design of broadband CNFET LNA based on extracted I-V closed-form equation 

      Saberkari, Alireza; Khorgami, Omid; Bagheri, Javad; Madec, Morgan; Hosseini Golgoo, Seyed Mohsen; Alarcón Cot, Eduardo José (2018-03-31)
      Article
      Open Access
      A procedure of extracting a closed-form user-friendly I-V equation for short channel carbon nanotube field-effect transistors (CNFET) in the saturation region is presented by employing a relation between CNFET parameters ...

    • Development of silicon photonic structures for sensing and signal processing 

      Segura García, Daniel (Universitat Politècnica de Catalunya, 2021-03-19)
      Doctoral thesis
      Open Access
      (English) Silicon photonics is the opportunity that one of the most amazing materials in nature, silicon, has offered once its electronic technological possibilities are reaching its limit. The transparency of this material ...

    • Device Nanofabrication and Quantum Electronic Transport in Twisted van der Waals Heterostructures 

      Rubies Bigordà, Oriol (Universitat Politècnica de Catalunya, 2019-05-30)
      Bachelor thesis
      Open Access
      Covenantee:   Massachusetts Institute of Technology
      In this project I will learn how to fabricate twisted van der Waals heterostructures using mechanical exfoliation and pick up & transfer methods. I will also learn how to perform device nanofabrication using modern electron ...

    • Differential optical feedback interferometry for the measurement of nanometric displacements 

      Azcona Guerrero, Francisco Javier; Atashkhooei, Reza; Royo Royo, Santiago (2014)
      Article
      Open Access
      We have recently proposed differential optical feedback interferometry as a convenient method to measure nanometric displacements. In this paper, we present experimental results to support the proposed method. The acquisition ...

    • Diffusion-based noise analysis for molecular communication in nanonetworks 

      Pierobon, Massimiliano; Akyildiz, Ian F. (2011-02-14)
      Article
      Restricted access - publisher's policy
      Molecular communication (MC) is a promising bio-inspired paradigm, in which molecules are used to encode, transmit and receive information at the nanoscale. Very limited research has addressed the problem of modeling and ...

    • Diseño de un sistema para la prevención de riesgos por exposición a nanopartículas en entornos industriales 

      Hernández Gusmao, Gabriel Isaac (Universitat Politècnica de Catalunya, 2022-07-13)
      Master thesis
      Restricted access - confidentiality agreement
      Reducción de exposición a nanopartículas en entornos industriales. Prevención de Riesgos por Exposición a Nanopartículas. Dentro del sector industrial siempre han existido procesos que pueden involucrar riesgos a la salud. ...

    • Diseño, fabricación y caracterización de dispositivos realizados con QD 

      Herrera Prat, Gerard (Universitat Politècnica de Catalunya, 2011-05-05)
      Master thesis (pre-Bologna period)
      Open Access
      Català: L'estudi realitzat en aquest projecte pretén experimentar amb l'ús de quantum dots, nanopartícules semiconductores, en la fabricació de dispositius electrònics. Al analitzar els camps i les aplicacions en les que ...

    • Early detection of diseases using nanorobots in the bloodstream 

      Calvo Bartra, Gerard (Universitat Politècnica de Catalunya, 2023-10-17)
      Bachelor thesis
      Open Access
      Els avenços en nanotecnologia i materials avançats anuncien una nova era per als dispositius a nano escala en medicina de precisió. Aquests dispositius, equipats amb capacitats integrades de detecció, computació, comunicació, ...