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Visar resultat 16 - 20 av 41 avhandlingar som matchar ovanstående sökkriterier.

  1. 16. Multicomponent Clusters/Nanoparticles : An Investigation of Electronic and Geometric Properties by Photoelectron Spectroscopy

    Författare :Chaofan Zhang; Olle Björneholm; Maxim Tchaplyguine; Svante Svensson; Gerd Ganteför; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Clusters; Nanoparticles; Alloy; Atmospheric chemistry; Alkali halide; Transition metals; X-ray Photoelectron spectroscopy; Polarizability; Core-shell; Sandwich structure; MAX-lab; BESSY II;

    Sammanfattning : Clusters/nanoparticles are aggregates of a “small” number of building blocks, atoms or molecules, ranging from two up to millions of atoms. Two main groups of clusters have been studied using photoelectron spectroscopy based on synchrotron radiation. LÄS MER

  3. 17. On titanium release from dental implants and the inflammatory response

    Författare :Mattias Pettersson; Margareta Molin Thorén; Anders Johansson; Ann Wennerberg; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; titanium; inflammation; dental implants; peri-implantitis; odontologi; Odontology;

    Sammanfattning : In dentistry, dental implants have become a standard treatment for single tooth loss and partial and total edentulism since their introduction by P-I Brånemark in the 1960s. Long-term follow-up studies have shown that dental implantation is a predictable treatment, with an overall implant survival over ninety-five percent. LÄS MER

  4. 18. Study of particle-current-electrocrystallization interactions in electroplating of Ni/SiC coatings

    Författare :Santiago Pinate; Caterina Zanella; Peter Leisner; Jönköping University; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Composite coatings; Nanoparticles; Electrocrystallisation; Microstructure; Surface treatment; Pulse plating; Ultrasound agitation; Kompositbeläggningar; Nanopartiklar; Elektrokristallisering; Mikrostruktur; Ytbehandling; Pulsplätering; Ultraljudsomrörning;

    Sammanfattning : Composite coatings have great potential due to the possibility to combine properties of two different materials in one coating. This way, new surface properties can be tailored and applied to any material's surface. LÄS MER

  5. 19. Nanoscale organization of luminescent materials and their polarization properties investigated by two-dimensional polarization imaging

    Författare :Juanzi Shi; NanoLund: Centre for Nanoscience; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Semiconductor materials (e.g., conjugated polymers, metal halide perovskites) have been widely used in solar cells, light-emitting diodes, and photodetectors. Organic conjugated systems have high mechanical flexibility and low costs for production. LÄS MER

  7. 20. Building Blocks for the Assembly of Nanostructures

    Författare :Tina Gschneidtner; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; molecules; Self-Assembly; sensing; nanoparticles; plasmon;

    Sammanfattning : The natural world and many man made technologies are driven by self-assembly, involving the autonomous organization of individual components as a result of specific local interactions into functional structures. Self-assembly is a platform from which to construct materials with a high complexity, in high precision, with an inbuilt error- correction system due to its dynamic nature. LÄS MER