Browsing Institutt for fysikk by Document Types "Doctoral thesis"
Now showing items 41-60 of 238
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Design and fabrication of (Cr + N) co-doped TiO2 films with a continuous compositional spread
(Doctoral theses at NTNU;2023:228, Doctoral thesis, 2023)Intermediate band solar cells (IBSCs) have a theoretically conversion efficiency that is approximately 50 % higher than for the solar cell technologies dominating today. IBSCs are based on a new type of materials, where ... -
Development and Characterization of Bioresponsive Hydrogel Materials
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:36, Doctoral thesis, 2009) -
Development and evaluation of techniques based on second harmonic generation microscopy to quantify the collagen matrix in cartilage
(Doctoral theses at NTNU;2017:369, Doctoral thesis, 2017)Cartilage diseases are prevalent, and intense effort is targeted to improving treatment for conditions such as osteoarthritis and traumatic cartilage injury. Collagen is one of the main structural components of cartilage, ... -
Development of instrumentation for Mueller matrix ellipsometry
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:32, Doctoral thesis, 2009) -
Diffractive X-ray Tomography of Oriented Mineralized Structures Doctoral thesis in Hierarchical Materials
(Doctoral theses at NTNU;2021:112, Doctoral thesis, 2021)Many materials around us in everyday life have a hierarchical structure, meaning that defining structural features are found at multiple length scales, often ranging from the molecular to the macroscopic scale, together ... -
Dissipative quantum phase transitions and high-temperature superconductors
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:229, Doctoral thesis, 2012)This thesis presents seven research papers on topics in condensed-matter theory. Five of the papers report on Monte Carlo studies of quantum phase transitions in various (d+1)-dimensional statistical mechanics models ... -
Dynamic Pore Network Study of Immiscible Two-Phase Flow in Porous Media
(Doctoral theses at NTNU;2023:332, Doctoral thesis, 2023)Porous media research has widespread applications in a variety of fields including biology, medicine, and geology. Notably, it can be used to mitigate the effects of climate change through methods of carbon capture and ... -
EELS and STEM studies of perovskite oxide heterostructures
(Doctoral theses at NTNU;2016:361, Doctoral thesis, 2016)Perovskite oxide heterostructures have attracted much research interest due to a strong coupling between the local crystal structure and the functional properties. Of special interest are the interfaces of thin film systems, ... -
The Effect of Elevated Temperatures on Precipitation in Aluminium Alloys – An Advanced Transmission Electron Microscopy Study
(Doctoral theses at NTNU, 2020:229, Doctoral thesis, 2020)Aluminium (Al) alloys are increasingly found and sought-after in applications that involve exposure to elevated temperatures. Examples are automotive components located in the engine room, heat exchangers, and subsea/offshore ... -
The effect of natural ageing on clustering and precipitation in heat-treatable aluminium alloys
(Doctoral theses at NTNU;2022:274, Doctoral thesis, 2022)The consumption volume of aluminium (Al) alloys is expected to increase in the coming years. They are typically used in the automotive industry, where light-weighting has become a major design consideration to save fuel, ... -
Effects of electromagnetic fields on biological systems: biophysical investigations on the biological effects of extremely low frequency and radio frequency electromagnetic fields
(Doctoral thesis, 2003)The overall aim of the thesis work has been to explore the effects of electromagnetic fields on biological systems. This exploration has taken three main directions. The first direction has been to develop methodology and ... -
Effects of Hyperfine and Spin Orbit interaction in multiple-spin qubits
(Doctoral theses at NTNU;2022:248, Doctoral thesis, 2022)Norsk sammendrag Interaksjoner i spinn-baserte kvantebits Gjennom de siste tiårene har det vært en eksponentiell progresjon i utviklingen av mikroelektronikk. Dette har ført til radikale fremskritt i en rekke teknologier ... -
Electric and magnetic signatures of boundary states in topological insulators and superconductors
(Doctoral theses at NTNU;2017:271, Doctoral thesis, 2017)This thesis is based on original research that was carried out in the field of topological phases in quantum condensed matter physics. The results have been published in five papers in Physical Review B, which form the ... -
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 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 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 ... -
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 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 ... -
Electronic structure of thermoelectric and ferro-electric materials: - Advanced transmission electronmicroscopy studies
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:158, Doctoral thesis, 2010)This thesis describes TEM studies related to the electronic structure of thermoelectric and ferroelectric materials. Compounds within the thermoelectric skutterudite class of materials were examined using Electron ... -
Elucidating the pathogenesis of osteochondrosis using nonlinear optical microscopy
(Doctoral theses at NTNU;2017:309, Doctoral thesis, 2017)Abstract Osteochondrosis is defined as a focal disturbance in endochondral ossification and causes joint pain and lameness in several species of animals, including humans. The focal disturbance occurs at predilection ...