Browsing Institutt for fysikk by Title
Now showing items 776-795 of 2655
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Electromagnetic Principles for In Situ Ice Thickness Determination - Field Experiments and Development of New Methods for Interpretation
(Master thesis, 2015)During the spring of 2014 fieldwork in three different locations on Svalbard was conducted in order to investigate the application of electromagnetic methods on sea ice and ice ridges. Two validation grids, one transect ... -
Electromagnetic Scattering Calculations for Arbitrarily Shaped Closed Surfaces using the Method of Moments
(Master thesis, 2021)I denne oppgaven løses Maxwells likninger numerisk for det elektromagnetiske spred-ningsproblemet i to regioner ved bruk av overflateintegrallikninger og momentmeto-den. For å kunne diskretisere de ekvivalente strømmene ... -
Electromagnetic Scattering: A Surface Integral Equation Formulation
(Master thesis, 2012)A numerical approach to solving the problem of electromagnetic (EM) scattering on a single scatterer is studied. The problem involves calculating the total EM field in arbitrary observation points when a planar EM wave is ... -
Electron Beam Lithography Fabrication of SU-8 Polymer Structures for Cell Studies
(Journal article; Peer reviewed, 2020)Flat surfaces decorated with micro- and nanostructures are important tools in biomedical research used to control cellular shape, in studies of mechanotransduction, membrane mechanics, cell migration and cellular interactions ... -
Electron beam lithography: a promising and versatile technique for fabrication of new platforms for cell studies
(Doctoral theses at NTNU;2021:31, Doctoral thesis, 2021)For more than a century cellular studies using cell cultures have had an immense impact on biomedical research. These in vitro studies have primarily been performed on cultures of cells residing on flat two-dimensional ... -
Electron localization in recrystallized models of the Ge2Sb2Te5 phase-change memory material
(Peer reviewed; Journal article, 2022)Understanding the relation between the structural disorder in the atomic geometry of the recrystallized state of phase-change memory materials and the localized states in the electronic structure is necessary not only for ... -
Electron Microscopy Based Characterization of Semiconductor Nanowires
(Doctoral thesis at NTNU;2016:181, Doctoral thesis, 2016)One-dimensional semiconductor structures have attracted a large research interest, mainly for the purpose of novel or improved opto-electronic properties and applications. In this work, semiconductor nanowires grown using ... -
Electron Microscopy Characterization of Aluminium-Copper-Titanium-Steel Joint made using the Hybrid Metal Extrusion & Bonding Method
(Master thesis, 2020)Multimaterielle skjøter er nyttige i produksjon av lette strukturer med høy ytelse og funksjonalitet. Denne avhandlingen undersøker en skjøt sammensveiset ved bruk av den innovative Hybrid Metal Extrusion & Bonding (HYB) ... -
Electron Microscopy Characterization of III-Nitride Nanowires grown on Graphene
(Master thesis, 2018)GaN nanowires grown on graphene glass using molecular beam epitaxy have been studied using scanning electron microscopy and different transmission electron microscopy techniques. The nanowires have an AlN nucleation particle ... -
Electron Microscopy characterization of the Interface between a (111)-Si Substrate and GaAs Nanowires grown by Self-Catalysis by MBE
(Master thesis, 2011)The interface between zincblende (ZB) GaAs nanowires (NWs) grown by selfcatalysisin MBE, and a 111-Si substrate was studied. This was done with thepurpose of determining if any defects, stacking fault, twins, different ... -
Electron microscopy of intermetallic phases in aluminium-steel joints
(Doctoral theses at NTNU;2021:168, Doctoral thesis, 2021)Joints that combine the light weight of aluminium (Al) alloys with the high strength of steels, can be beneficial in structural components. For instance, in automobiles, Al-steel joints can enable improvement of the ... -
Electron precipitation characteristics during isolated, compound, and multi-night substorm events
(Peer reviewed; Journal article, 2021)A set of 24 isolated, 46 compound, and 36 multi-night substorm events from the years 2008–2013 have been analysed in this study. Isolated substorm events are defined as single expansion–recovery phase pairs, compound ... -
Electron-magnon coupling and magnon-induced superconductivity in hybrid structures of metals and magnets with non-collinear ground states
(Master thesis, 2022)Elektron-magnon interaksjoner i et dobbeltlag av monoatomisk metall og en ferromagnetisk isolator med ikke-kolineær spiralfase er studert på et triangulært gitter, motivert av nylig interesse i liknende systemer med enklere ... -
Electron-magnon coupling and quasiparticle lifetimes on the surface of a topological insulator
(Peer reviewed; Journal article, 2021)The fermionic self-energy on the surface of a topological insulator proximity coupled to ferro- and antiferromagnetic insulators is studied. An enhanced electron-magnon coupling is achieved by allowing the electrons on the ... -
Electron-magnon coupling with anisotropic ferromagnets
(Master thesis, 2022)Heterostrukturer, der to eller flere materialer er koblet sammen, har mottatt interesse på grunn av superledningsevnene deres. Spesielt har det blitt vist at antiferromagnetiske isolatorer (AFMIer) koblet til normale metall ... -
Electron-phonon coupling in graphene
(Master thesis, 2018)The aim of this Master thesis was to perform a theoretical study of the electron-phonon coupling in graphene. The main results of the thesis are the electron-phonon coupling constant as a function of ... -
Electronic and adsorption properties of extended chevron and cove-edged graphene nanoribbons
(Peer reviewed; Journal article, 2021)The electronic and adsorption properties of chevron and cove-edged graphene nanoribbons (GNRs) are studied using first principles calculations. The positive binding and adsorption energies in conjunction with the positive ... -
Electronic and optical properties of doped Cu2O and ZnS thin films
(Doctoral theses at NTNU;2017:107, Doctoral thesis, 2017)In this thesis, two earth-abundant, easily fabricated semiconductors, Cu2O and ZnS, were investigated to explore their electronic and optical properties after doping. Fe doped ZnS has been studied as a potential material ... -
Electronic and Optical Properties of TiO2, and the Potential of Doped TiO2 for the Use in Intermediate Band Solar Cells
(Master thesis, 2023)Titandioksid (TiO2), med sine særegne egenskaper og kostnadseffektive, ikke-giftige, og stabile natur, er mye brukt i ulike sektorer, inkludert avanserte energiteknologier som fotovoltaiske enheter. Et eksempel på sistnevnte ... -
Electronic and optical surface properties of noble metals studied by reflection anisotropy spectroscopy
(Dr. ingeniøravhandling, 0809-103X; 2000:38, Doctoral thesis, 2000)The thesis demonstrates some of the possibilities of using light to measure and understand microscopic properties of noble metal and nickel surfaces. The work consist mainly of three parts: 1. The design and construction ...