Blar i Institutt for fysikk på emneord "Nanoteknologi, Nanoelektronikk"
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Characterization of BaTiO3/La0.7Sr0.3MnO3 Thin Films on SrTiO3(111) Substrates - A Transmission Electron Microscopy Study
(Master thesis, 2016)In this work, an oxide thin film system was investigated by using transmission electron microscopy (TEM) techniques. It is of great interest to study such systems due to their current applications as well as potential ... -
Chemical Vapour Deposition and Electron Microscopy Analysis of Graphene
(Master thesis, 2016)Graphene is a promising material for many applications, including electronics, energy technologies, chemical filters and mechanical materials. In this work, graphene has been grown by chemical vapour deposition (CVD) on ... -
Developing Quantitative Image Processing of Scanning Electron Microscopy Data Sets to Evaluate Nanowire Growth
(Master thesis, 2017)Will be given later -
Examining the three-dimensional structure of an AlGaAs shell on GaAs nanowires
(Master thesis, 2015)Semiconducting direct-bandgap nanowires (NWs) are a promising material system for future optoelectronic devices. In this work, the effect of shell growth temperature has been examined on the structural and optical properties ... -
Iron-Mediated Growth of Graphene on SiC for Radiation Detection
(Master thesis, 2017)A proposed radiation sensor exploits graphene's high electron mobility and sensitivity to miniscule electric fields to attain a novel approach for radiation detection. Realizing such a sensor is contingent on controlled ... -
Optimisation of Positron-Positronium Conversion and Positronium Laser Excitation
(Master thesis, 2015)The AEgIS collaboration (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) at CERN has as its goal to directly measure the Earth's gravitational force on antimatter for the first time. Neutral antihydrogen atoms ... -
Refinement of the ζ-factor Method for Quantitative Energy-Dispersive X-ray Spectroscopy in Scanning Transmission Electron Microscopy
(Master thesis, 2016)The ζ-factor method for quantitative energy-dispersive X-ray spectroscopy (EDS) has been implemented using the open source Python-based HyperSpy library. The ζ-factors for Ga, As, Al, C and Sb have been determined ... -
Spectroscopic Ellipsometry of InAs/(Al)GaAs Quantum Dots for Intermediate Band Solar Cells
(Master thesis, 2017)As a step towards reducing the CO2 emissions to the atmosphere, generating electricity from renewable energy resources instead of fossil fuels is a good contributor. Solar cells convert energy from sunlight directly into ... -
Strongly Coupled Spin, Heat and Charge Currents in Superconducting Hybrids
(Master thesis, 2016)We study the large thermoelectric effects arising as a result of strongly coupled spin, heat and charge currents in superconducting hybrids theoretically. Two new frameworks for calculating thermoelectric coefficients are ... -
A study of eddy current field interactions in ferromagnetic / normal metal thin film structures and its impact on ferromagnetic resonance
(Master thesis, 2015)This study investigates the eddy current field interaction in ferromagnetic (FM) / normal-metal (NM) thin film structures and its impact on ferromagnetic resonance (FMR). Eddy currents correspond to circulating currents ... -
Studying the chemistry of complex transition metal systems - A spectroscopic investigation of the interplay between Dy and MoS2
(Master thesis, 2017)In this thesis, the interactions between MoS2 and dysprosium have been investigated by spectroscopic and diffractive techniques. As the experimental research on dysprosium compounds is scarce, the possible applications of ... -
Surface interactions relevant to cancer treatment - A study of fluorouracil reactions on diamond and graphite surfaces
(Master thesis, 2015)Fluorouracil (5-FU) is a chemotherapy drug with molecular formula C4H3FN2O2. The interaction between fluorouracil and nanocrystalline diamond, and between fluorouracil and graphite was studied with X-ray photoelectron ... -
Towards a New Ceramic-Glass Fiber Femtosecond Laser in the 2-3 Micrometer Wavelength Range - Cr2+ Doped Ceramic Glass Fibers and Graphene Saturable Absorber Mirrors
(Master thesis, 2017)Solid-state lasers, and in particular fiber lasers, are becoming the most commonly used lasers in science and industry, next only to diode lasers. This work has targeted the development of two novel types of laser active ... -
Transfer-Free and Patterned Growth of Epitaxial Graphene on Insulator - For Applications in Novel Graphene-Based Radiation Detectors
(Master thesis, 2018)A proposed radiation detector design utilizes graphene's strong conductivity response to small changes in electric field for sensing ionization products. The transport properties of graphene has shown great potential for ... -
Walker Breakdown in Magnon-Induced Ferromagnetic Domain Wall Motion
(Master thesis, 2015)We derive for the first time the collective coordinate equations for magnon-driven domain wall motion in ferromagnets from the Landau-Lifshitz-Gilbert equation. By performing a consistent calculation to second order we are ...