Now showing items 13608-13627 of 41732

    Electron transport in low-dimensional systems: optoelectronic device simulations 

    Illera Robles, Sergio (Date of defense: 2015-06-04)

    The main topic of this thesis is the theoretical and computational investigation of the opto-electronic properties of large arrays of semiconductor quantum dots embedded in an insulator matrix. For that purpose, an electronic ...

    Electron-induced x-ray emission from solids. Simulation and measurements 

    Llovet Ximenes, Xavier (Date of defense: 1998-07-21)

    Theoretical methods to compute accurate x-ray spectra emitted from targets bombarded with kV electrons are required for quantification in Electron Probe Microanalysis (EPMA), especially for the analysis of non-homogeneous ...

    Electronic & ionic conduction & correlated dielectric relaxations in molecular solids 

    Zachariah, Manesh (Date of defense: 2016-11-17)

    The study of crystalline materials has played a prominent role in solid state physics, whose basic theories were formulated for crystalline matter. However, disordered materials are more abundant in nature than crystalline ...

    Electronic and magnetic factors in the design of optimum catalysts for hydrogen fuel cells 

    Biz, Chiara (Date of defense: 2022-02-24)

    Fuel cells represent one of the most promising energy storage system nowadays. Nonetheless, several obstacles need to be overcome in order to commercially exploit this technology. One of them lies in the efficiency loss ...

    Electronic and topological properties of bilayer graphene nanostructures 

    Benchtaber, Nassima (Date of defense: 2023-02-06)

    [eng] This thesis is devoted to studying the electronic properties of bilayer graphene (BLG) by focusing on the confined states, especially the topological states and the study of the transport in this material, addressing ...

    Electronic commerce of services 

    Llorente Viejo, Silvia (Date of defense: 2004-10-15)

    La tesis "Electronic Commerce of Services" presentada por Silvia Llorente Viejo realiza un estudio de los diferentes componentes presentes en el comercio electrónico de servicios. <br/><br/>En esta tesis se presentan los ...

    Electronic Effects Governing the Redox Properties of Polyoxometalates 

    Aparicio Sánchez, Pablo Arturo (Date of defense: 2014-09-26)

    Els polioxometalats (POMS) són agregats inorgànics compostos per oxigen i metalls de transició, normalment en el seu estat d'oxidació més alt. Aquest fet fa que una de les seves principals característiques sigui el seu ...

    Electronic identification of goats: comparison of different types of radio-frequency and visual devices 

    Carné i Fructuoso, Sergi (Date of defense: 2010-05-14)

    L'objectiu d'aquesta tesi ha estat avaluar diferents dispositius de identificació del bestiar cabrum, recentment contemplades a la legislació europea. S'han portat a terme 4 experiments per tal d'avaluar els següents ...

    Electronic properties of organic semiconductors and low-dimensional materials 

    Boskovic, Desanka (Date of defense: 2017-07-10)

    Los semiconductores orgánicos se han convertido en un grupo muy interesante de materiales por sus buenas propiedades de transporte de carga y aplicaciones tecnológicas masivas. Entre todos ellos, el rubreno ganó gran ...

    Electronic spin transport and thermoelectric effects in graphene 

    Neumann, Ingmar (Date of defense: 2014-05-21)

    La espintrónica y la espín caloritronica en grafeno son campos de investigación muy activos, y esta tesis es una contribución a ambos campos. El tema principal es el estudio de la corriente de espín a través de métodos de ...

    Electronic structure and reactivity of endohedral fullerenes 

    Valencia Maturana, Ramon (Date of defense: 2011-05-27)

    En este trabajo abarcamos el estudio de la estructura electrónica de una serie de fulerenos denominados fulerenos endoédricos, así como también su reactividad. En este trabajo de tesis previo, se define lo que se conoce ...

    Electronic structure calculations on extended metal atom chains. Insights on structural, magnetic and transport properties 

    Spivak, Mariano Alejo (Date of defense: 2017-01-10)

    En aquest treball, es van utilitzar diferents mètodes computacionals per estudiar les propietats de cadenes esteses de metalls de transició (EMACs en anglès). Es va simular la flexibilitat estructural de cadenes de tres ...

    Electronic structure of metal phthalocyanines on Ag (100) 

    Krull, Cornelius (Date of defense: 2012-06-05)

    El uso de moléculas orgánicas en dispositivos tecnológicos ofrece una serie de ventajas: su tamaño (~nm), su capacidad de auto ensamblan dando lugar a la formación de estructuras funcionales, y la posibilidad de adaptar ...

    Electronic structure of quantum dots: response to the environment and externally applied fields 

    Segarra Ortí, Carlos (Date of defense: 2016-09-06)

    En esta Tesis Doctoral se han estudiado teóricamente las propiedades electrónicas y ópticas de electrones y huecos confinados en puntos cuánticos semiconductores mediante el uso del método k·p dentro de las aproximaciones ...

    Electronic structure, chemical bonding, and electronic delocalization of organic and inorganic systems with three-dimensional or excited state aromaticity 

    El Bakouri El Farri, Ouissam (Date of defense: 2017-11-22)

    Aromaticity is a key concept in chemistry, used by chemists to explain the structure, stability, and reactivity of many compounds. Aromatic compounds are present in industrial processes as well as in living systems. ...

    Electronic tongues based on electropolymerized molecularly imprinted polymers for pharmaceutical analysis 

    Wang, Mingyue (Date of defense: 2022-09-21)

    En les darreres dècades, atès que el creixent ús de fàrmacs pel tractament de diverses malalties contribueix a la millora progressiva de la qualitat de vida de l'ésser humà, l'anàlisi farmacèutica s'ha considerat un afer ...

    Electronic Tongues for food and security applications 

    González Calabuig, Andreu (Date of defense: 2018-06-12)

    En la present tesi doctoral s’aprofundeix en l’estudi de les llengües electròniques i el seu desenvolupament com a línia d’investigació del grup de Sensors i Biosensors de la Universitat Autònoma de Barcelona. Aquesta ...

    Electronic Tongues using Printed Sensor Platforms for Forensic and Security Applications 

    Ortiz Aguayo, Dionisia (Date of defense: 2022-07-15)

    La present tesi doctoral té com a fi l’estudi de noves plataformes sensores combinant principis de llengua electrònica i eines quimiomètriques. Per assolir aquest objectiu s’han aplicat els coneixements adquirits al grup ...

    Electronic word-of-mouth (eWOM) and customer opinions in hospitality and tourism 

    Muritala, Babajide Abubakr (Date of defense: 2022-09-16)

    En l'era digital contemporània, el boca-orella electrònic dels clients és important a pràcticament totes les indústries orientades al client. És encara més important en el sector de l'hostaleria i el turisme, on es lloa ...

    Electronics control and signal processing for the LHCb fast calorimeter detectors 

    Picatoste Olloqui, Eduardo (Date of defense: 2016-12-22)

    LHCb is one of the four large experiments of the Large Hadron Collider (LHC) based at CERN. The LHCb experiment is taking data at its nominal design luminosity. However, in order to distinguish among models of new physics, ...