Search for dissertations about: "radiation force"

Showing result 1 - 5 of 70 swedish dissertations containing the words radiation force.

  2. 1. Radiation induced corrosion of copper

    Author : Åsa Björkbacka; Mats Jonsson; Christofer Leygraf; Mehran Mostafavi; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Corrosion; oxidation; copper; copper oxide; gamma radiation; radiolysis; hydrogen peroxide; hydroxyl radical; Kemi; Chemistry;

    Abstract : The process of radiation induced corrosion of copper is not well understood. The most obvious situation where the knowledge of this process is crucial is in a deep repository for high level spent nuclear fuel where the fuel will be sealed inside copper canisters. READ MORE

  4. 2. Ultrasonic Fluid and Cell Manipulation

    Author : Mathias Ohlin; Martin Viklund; Hans Hertz; Peter Glynne-Jones; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; 3D cell culture; Acoustic streaming; Acoustofluidics; Cell manipulation; High-resolution imaging; Multi-well; Microplate; Natural killer cell; Piezo; Radiation force; Solid tumor; Solubilization; Spheroid; Standing wave; Temperature control; Transducer; Trapping; Ultrasonic; Fysik; Physics; Biological Physics; Biologisk fysik;

    Abstract : During the last decade, ultrasonic manipulation has matured into an important tool with a wide range of applications, from fundamental cell biological research to clinical and industrial implementations. The contactless nature of ultrasound makes it possible to manipulate living cells in a gentle way, e.g. READ MORE

  5. 3. Synchrotron Radiation Studies of Molecular Building Blocks for Functional Materials

    Author : Teng Zhang; Carla Puglia; Nils Martensson; Svante Svensson; Valeria Lanzilotto; Albano Cossaro; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Synchrotron radiation study; Functional materials; Molecular building blocks; Electron donor; 2D material; Gas-phase; Organic thin film; Electronic structure; Molecule-molecule interaction; Molecule-substrate interaction; Photoelectron spectroscopy; PES; XPS; Near edge X-ray absorption fine structure; NEXAFS; X-ray Absorption Spectroscopy; XAS; Au 111 ; Cu 111 ; Surface; Interface; Electronic structure; H-bonding; Cobalt phthalocyanine; CoPc; Triphenylamine; TPA; DPTA; m-MTDATA; Melamine; Biphenylene; Carbon nitride; Graphenylene; Density functional theory; DFT; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Abstract : The research on new materials is a primary driving force for progress in human society. One of the most significant research topic nowadays is the development of new functional materials for technological applications, like perovskite implemented in solar cells, and graphene as a representative for the new 2D materials family. READ MORE

  6. 4. Structure, Morphology, and Catalytic Properties of CuOx/CeO2 Model Catalysts

    Author : Björn Skårman; Centrum för analys och syntes; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Synchrotron radiation; High-energy Diffraction; X-ray Absorption Fine Structure Spectroscopy.; Chemical technology and engineering; Kemiteknik och kemisk teknologi; Chemistry; Kemi; Material technology; Materiallära; materialteknik; X-ray photoelectron spectroscopy; Atomic force microscopy; Gatan Image Filter GIF ; Energy-filtered TEM; High-resolution electron microscopy; Inert gas condensation IGC ; rf Magnetron sputtering; Thermal activation; Batch reactor; Carbon monoxide oxidation; Surface sensitivity; Catalytic anisotropy; Growth; Nucleation; Topography; Roughness; Core-shell structures; Morphology; Nanostructured; Nanocomposite; Nanoparticles; Surface structure; Polycrystalline surfaces; Thin films; Copper oxide; Cerium dioxide CeO2 ; Ceria;

    Abstract : Cerium dioxide, or ceria, is a chemically stable oxygen ion conducting material with a capacity to store and release oxygen, and is therefore extensively used in combustion catalysts. The Cu-Ce-O system has been identified as one of the most active catalysts for the combustion of carbon monoxide. READ MORE

  7. 5. Molecular studies of initial atmospheric corrosion of copper : Exploration of ultra-sensitive techniques for the inhibiting effect of self assembled monolayers, and the effect of gamma radiation

    Author : Saman Hosseinpour; Christofer Leygraf; Franz Geiger; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Corrosion; copper; self assembled monolayer; sum frequency spectroscopy; qcm; gamma radiation;

    Abstract : Atmospheric corrosion indoors is of great practical importance for the degradation of metals, for example in electronics, military equipment, and cultural heritage items. It involves a wide range of chemical, electrochemical, and physical processes occurring in gas, liquid, and solid phases, and at the interfaces between them. READ MORE