Sfoglia Fisica per Titolo
Items 11-30 di 35
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Graphene and carbon nanotubes in transistors, diodes and field emission devices
(Universita degli studi di Salerno, 2017-03-22)Since their discovery, graphene and carbon nanotubes have been playing an important role in nanoscience and nanotechnology thanks to their extraordinary physical and chemical properties. With silicon-based electronics ... -
Graphene/silicon Schottky diode
(Universita degli studi di Salerno, 2020-02-10)In this works we fabricated four graphene/silicon heterojunctions, which differ for structure and substrate type, and performed electrical and optical characterization. The first device was realized by depositing a layer ... -
The ground deformations: tools, methods and application to some Italian volcanic regions
(Universita degli studi di Salerno, 2012-06-13)The objective of this thesis is the study of slow deformation of the soil as a result of intrusion of magma inside the magmatic chambers of some volcanoes located in Southern Italy. In particular, the Mt. Vesuvius and Campi ... -
Improvements in the acoustical modelling of traffic noise prediction: theoretical and experimental results
(Universita degli studi di Salerno, 2011-04-21)Traffic acoustical noise is one of the most important component of the urban environmental pollution in densely populated areas all over the world. A very recent ACI-Censis study [1] on Italian urban areas shows that car ... -
Influence of grains on the electromagnetic ac response of superconducting materials
(Universita degli studi di Salerno, 2016-04-20)Type II superconducting materials are technologically interesting since they are characterized by the existence of a superconducting phase even after the penetration of the magnetic field inside them. In fact, while type ... -
Interface effects in superconducting heterostructures
(Universita degli studi di Salerno, 2016-04-14)This work debates a theoretical investigation of the interfacial effects about heterostructures with normal metals and superconductors. At the beginning we will introduce the basic physical phenomena our calculations deal ... -
Interplay of spin-orbital correlations and structural distortions in Ru- and Cr- based perovskite systems
(Universita degli studi di Salerno, 2012-07-02)The transition metal oxides are emerging as the natural playground where the intriguing effects induced by electron correlations can be addressed. Since the s electron of the transition metals are transferred to the oxygen ... -
Investigation of the groundwater-river interaction, using Radon-222 as a natural tracer, in a karst Mediterranean environment like in the case study of the Bussento river basin
(Universita degli studi di Salerno, 2010-04-27)The naturally-occurring radionuclides have proven to be powerful tools for assessing the time dependency of GSI processes. The radionuclide 222Rn (referred to as radon) has the advantage of being a radioactive noble gas, ... -
Josephson junctions, quantum interference devices and applications in the field of dark matter search
(Universita degli studi di Salerno, 2016-04-13)In questa Tesi di Dottorato, io e il mio supervisor, il Prof. Roberto De Luca, abbiamo analizzato alcuni particolari dispositivi superconduttori, le giunzioni Josephson e gli SQUIDs (Superconducting Quantum Interference ... -
Magnetic orbital and transport properties in LaMnO3 based based heterostructures
(Universita degli studi di Salerno, 2011-05-13)This thesis work deals with the magnetic, orbital and transport properties of (LaMnO3)2N(SrMnO3)N digital superlattices and of LaxMnO3-d thin films, both deposited by molecular beam epitaxy (MBE) technique on SrTiO3 ... -
Magneto-transport properties of thin superconducting strips in the framework of Time Dependent Ginzburg Landau model
(Universita degli studi di Salerno, 2012-05-30)This dissertation is addressed to summarize my experimental/phenomenological research activities conducted at the laboratories of Physics Department, University of Salerno. The experimental work consisted in the fabrication ... -
Metodologie didattiche per l'insegnamento-apprendimento della Fisica: studi di caso nella Scuola Secondaria di II grado
(Universita degli studi di Salerno, 2017-05-15)The present work focuses on case studies conducted from 2014 to 2016 in Secondary Schools in Campania where new teaching methodologies for teaching - Physical Learning have been experimented. Of these methodologies, ... -
La mostra "Divertiesperimenti" come ponte tra l'apprendimento informale e il formale nell'insegnamento della fisica nella scuola secondaria
(Universita degli studi di Salerno, 2017-05-23)The actual surveys highlight that teaching scientific disciplines it gives often-inadequate results, in Italy particularly, and it emerges that, in general, the educational aspects of the teaching of the Physics are not ... -
Nb nanoporous ultrathin films: matching effects and interconnected wires
(Universita degli studi di Salerno, 2012-03-03)When the applied magnetic field is higher than the lower critical field but below the upper critical field, a type-II superconductor allows magnetic flux to penetrate it in the form of vortices, a tiny normal area surrounded ... -
The neutrino interaction analysis chain in OPERA
(Universita degli studi di Salerno, 2011-04-20)The aim of the OPERA experiment is to provide a “smoking-gun” proof of neutrino oscillations, through the detection of the appearance signal of ντ’s in an initially pure νμ beam. The beam is produced at CERN, 732 Km far ... -
Non-markovian quantum dynamics
(Universita degli studi di Salerno, 2016-04-28)Quantum systems can necessarily be viewed as open systems. As in classical physics, any realistic description of a system must take into account the cou- pling to an environment that strongly in uences the system itself. ... -
On neutrino mixing in Quantum Field Theory
(Universita degli studi di Salerno, 2017-05-23)Neutrino physics is one of the most important areas in research on the fundamental interactions, both theoretically and experimentally. A central issue in the study of these particles is related to the properties of mixing ... -
Particle mixing, two level systems and gauge theory
(Universita degli studi di Salerno, 2012-04-26)In this thesis I will discuss the theory of two level systems and the theory of the oscillating particles in quantum eld theory. In the rst chapter I will consider the time evolution of a two level system, a qubit, to ... -
Phase transitions in strongly correlated electronic systems
(Universita degli studi di Salerno, 2014-06-19)We studied the some type of phase transitions in Strongly Correlated Electronic Systems. In particular we rigorously established some exact properties of a multi-orbital Hubbard model, here formulated to describe a nematic ... -
Progettazione e sperimentazione di un percorso didattico sperimentale in superconduttività
(Universita degli studi di Salerno, 2014-07-31)Vengono presentate e discusse le fasi di progettazione, realizzazione e valutazione di efficacia di un percorso didattico di insegnamento/apprendimento incentrato sui materiali superconduttori partendo dalle loro proprietà ...
