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Defect and structural imperfection effects on the electronic properties of BiTeI surfaces
(IOP Publishing, 2014-07-24)
The surface electronic structure of the narrow-gap seminconductor BiTeI exhibits a large Rashba-splitting which strongly depends on the surface termination. Here we report on a detailed investigation of the surface morphology ...
Nonlinear magnetic vortex dynamics in a circular nanodot excited by spin-polarized current
(Springer International Publishing, 2014-08-08)
We investigate analytically and numerically nonlinear vortex spin torque oscillator dynamics in a circular magnetic nanodot induced by a spin-polarized current perpendicular to the dot plane. We use a generalized nonlinear ...
Germanene: a novel two-dimensional germanium allotrope akin to graphene and silicene
(IOP Publishing, 2014-09-09)
We have grown an atom-thin, ordered, two-dimensional multi-phase film in situ through germanium molecular beam epitaxy using a gold (111) surface as a substrate. Its growth is similar to the formation of silicene layers ...
Phonon and electron excitations in abstraction processes from metallic surfaces
(2016-12-14)
Tesi honetan W(100) eta W(110) gainazaletan gertatzen diren H(g)+H(ads) eta N(g)+N(ads) errekonbinazio erreakzioak ikertu dira. Helburu nagusia erreakzio hauetan gertatzen diren kitzikapen elektronikoak aztertzea izan da. ...
Modeling and analysis of thermoelectric energy conversion efficiency in nanostructures.
(2016-06-22)
Recently, nanostructured materials have received tremendous attention because of their exceptional properties and great potential in applications. In this thesis, we investigated the thermoelectric transport properties of ...
Interaction of ions, electrons, and laser pulses with surfaces
(2016-01-29)
La presente tesis se centra en el estudio teórico del efecto que ciertas perturbaciones ejercen sobresuperficies cristalinas, tanto aislantes como conductoras. Veremos cómo estas superficies, y másespecíficamente sus ...
Electron dynamics in the interaction of atomic particles with spherical metal clusters
(2016-04-22)
La estructura electrónica y las propiedades de los sólidos, superficies y nanoestructurasse pueden estudiar experimentalmente mediante diferentes técnicasespectroscópicas. En estos experimentos, el material se estudia ...
Classical and quantum approaches to the interaction of light and matter at the nanoscale
(2016-01-15)
Esta tesis aborda el estudio teórico de la interacción de luz con nanomateriales. En primer lugar se desarrolla un modelo que explica las diferencias espectrales entre las secciones eficaces de absorción, dispersión, y el ...
Designer magneto-optics with plasmonic magnetic nanostructures
(2016-12-09)
La nanotecnología es un campo emergente y relativamente nuevo de la investigación, que ha ganado un gran interés en los últimos años. El término ¿nano¿ es un prefijo derivado de la palabra griega ¿¿¿¿¿ (nános) y significa ...
Modelling thermo-electric transport and excited states in low dimensional systems
(2016-06-17)
The interaction of radiation with matter at the nanoscale has an inexhaustible range of applicationsin electronics, biotechnology and medicine. At the nanoscale, the length scale wherethe classical and quantum worlds meet, ...