Opin vísindi

Fletta eftir deild "Faculty of Physical Sciences (UI)"

Fletta eftir deild "Faculty of Physical Sciences (UI)"

Röðun: Raða: Niðurstöður:

  • Müller, Gideon Philipp (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2019-09-02)
    An active field of research in magnetism today involves studies of solitons -- localised magnetic textures possessing particle-like properties. They are considered promising for various applications but are also intriguing from a fundamental point of ...
  • Saha, Subham (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2017-06)
    Electron paramagnetic resonance (EPR) spectroscopy is routinely used to study the structure and dynamics of nucleic acids, to obtain information about their functions. A prerequisite for most EPR studies of nucleic acids is the incorporation of ...
  • Júlíusson, Haraldur Yngvi (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2020-02-01)
    Rafeindasegullitrófsgreiningu (e. Electron Paramagnetic Resonance, EPR) er reglubundið beitt í rannsóknum á byggingu og hreyfingu kjarnsýra til að fá upplýsingar um starfsemi þeirra og hlutverk. Innleiðing meðseglandi kjarna á ákveðinn stað í kjarnsýrum ...
  • Koistinen, Olli-Pekka (Aalto University School of Science, 2019)
    Chemical reactions and other transitions involving rearrangements of atoms can be studied theoretically by analyzing a potential energy surface defined in a high-dimensional space of atom coordinates. Local minimum points of the energy surface correspond ...
  • Ghosh, Dipankar (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2020)
    Nature has been successful in self-assembling simple building blocks to complex functional architectures and the concept of supramolecular chemistry has enabled chemists to mimic nature's self-assembly principles. The understanding of the assembly/reassembly ...
  • Ali, Abid (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2022-06-27)
    The research described in this thesis is part of a network project involving the growth of metal nanostructures on surfaces of solids, a Horizon 2020 project titled ELENA. The part of the project described here involved the use of various approaches ...
  • Mandal, Sucharita (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2020-12-15)
    Dynamic nuclear polarization (DNP) has emerged as an important technique to enhance the signal intensity of nuclear magnetic resonance (NMR) spectroscopy by transferring spin polarization from unpaired electrons to nuclei of interest. Persistent organic ...
  • Castro Ruiz, Angel Andrés (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2023-02)
    Today, society is reliant on nonrenewable fossil fuels and petrochemical derivatives. As the global population increases, energy and materials are rapidly diminishing, and a drastic, responsive change is needed to achieve a more sustainable world. It ...
  • Marteinsdóttir, María (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2021-04)
    Application of external beam radiation therapy (EBRT) to localized cancer has long been regarded as a standard treatment option with its purpose being to deliver a ho- mogeneous high-dose distribution within the tumor volume while protecting organs at ...
  • Shahnazaryan, Vanik (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2017-10)
    The physics of light-matter interactions is a rapidly developing interdisciplinary research area, combining methods and phenomena both from condensed matter physics and quantum optics. One of the most common realizations of strong coupling regime implies ...
  • Natugonza, Vianny (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2020-06-18)
    The advent of ecosystem-based fisheries management (EBFM) in recent years has expanded the scope of fisheries management, where policies are aimed not only at maximizing production (or biological yield) but also maintaining an optimal balance between ...
  • Kirchhoff, Björn (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2021-05-28)
    The oxygen reduction reaction (ORR) is of central importance in the development of more efficient and durable fuel cells and computer simulations can be used to help explain and predict properties of ORR catalysts. In this thesis, various simulation methods ...
  • Bohr, Sebastian (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2021-07)
    The nature of dark matter (DM) as a particle is still an unresolved mystery in Physics. Therefore, a vast amount of competing particle models have been proposed. A promising category among these models are those that include relevant collisional damping ...
  • Viðarsson, Arnar (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2023)
    The semiconductor silicon carbide (SiC) might be the key to next-generation of power electronic devices. Its favourable material properties can outperform existing silicon (Si) devices enabling better energy efficiency in power electronics. However, ...
  • Vilhjálmur, Ásgeirsson (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2021-06)
    Methods for identifying the mechanism and estimating the rate of chemical reactions are presented and evaluated for a wide range of systems, using both classical and quantum mechanical description of the atomic nuclei. In the classical case, the minimum ...
  • Jiang, Mengxu (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2022)
    The research focused on the multiphoton dynamics and energetics for the HI, CH3I, CH3Br, and C2H2 molecules by using one- and two-color mass-resolved (MR) resonance enhanced multiphoton ionization (REMPI) and/or velocity map imaging (VMI) in association ...
  • Nyamweya, Chrispine (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2017-01)
    Lake Victoria is of immense ecological and socio-economic significance for the riparian communities. However, the lake is faced with human induced pressures such as overfishing, introduction of alien species, increased eutrophication and climate change ...
  • Khosa, Rabia Yasmin (2017)
    Silicon is a semiconductor material used in most power devices and the Si metal-oxide-semiconductor field effect transistor (MOSFET) is the key switching device for high power applications. Recently silicon carbide (SiC) MOSFETs have emerged on the ...
  • Andrea, Proto (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2021)
    The aim of this work is to explore the role of electronegativity and the electron power absorption mechanism in electronegative capacitively coupled oxygen and chlorine discharges. The fundamental mechanisms underlying the electron heating and the ...
  • Benediktsson, Barði (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2022-06-22)
    Iron-sulfur clusters are integral to the biochemistry of living organisms and a lot of effort has been devoted to research their structure and function. However, describing these polynuclear iron-sulfur clusters with computa tional chemistry poses a ...