Sökning: "birch reaction"

Visar resultat 1 - 5 av 29 avhandlingar innehållade orden birch reaction.

  1. 1. Conformal chemical vapor deposition of boron carbide thin films

    Författare :Arun Haridas Choolakkal; Jens Birch; Henrik Pedersen; Hans Högberg; Tobias Törndahl; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : The sustainability goals of the modern world and the fascinating properties of sub-micron scale materials promote development of materials in thin film form. Thin films are materials that have thicknesses ranging from sub-nanometer to several micrometers, synthesized by various deposition techniques. LÄS MER

  3. 2. Growth and Phase Stability Studies of Epitaxial Sc-Al-N and Ti-Al-N Thin Films

    Författare :Carina Höglund; Lars Hultman; Jens Birch; Daniel Gall; Linköpings universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : ¨This Thesis treats the growth and characterization of ternary transition metal nitride thin films. The aim is to probe deep into the Ti-Al-N system and to explore novel Sc-Al-N compounds. Thin films were epitaxially grown by reactive dual magnetron sputtering from elemental targets onto single-crystal substrates. LÄS MER

  4. 3. Approximant Phases in Quasicrystalline AlCuFe Thin Films

    Författare :Simon Olsson; Lars Hultman; Jens Birch; Fredrik Eriksson; Xiaodong Zou; Linköpings universitet; []
    Nyckelord :;

    Sammanfattning : Quasicrystalline materials exhibit properties that are very different from conventional metallic materials. They are mostly metallic alloys, and show high hardness and stiffness but low electrical and thermal conductivity. The coefficient of friction and surface energy of the quasicrystalline materials are also very low. LÄS MER

  5. 4. Reactive Magnetron Sputter Deposition and Characterization of Thin Films from the Ti-Al-N and Sc-Al-N Systems

    Författare :Carina Höglund; Lars Hultman; Jens Birch; Linköpings universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : This Thesis treats the growth and characterization of ternary transition metal nitride thin films. The aim is to probe deeper into the Ti-Al-N system and to explore the novel Sc-Al-N system. Thin films were epitaxially grown by reactive magnetron sputtering from elemental targets onto single-crystal substrates covered with a seed layer. LÄS MER

  7. 5. Chemical vapour deposition of boron-carbon thin films from organoboron precursors

    Författare :Maiwulidan (Mewlude) Yimamu (Imam); Henrik Pedersen; Jens Birch; Carina Höglund; Erik Lindahl; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Boron-carbon (BxC) thin films enriched in 10B are potential neutron converting layers for 10Bbased solid-state neutron detectors given the good neutron absorption cross-section of 10B atoms in the thin film. Chemical Vapour Deposition (CVD) of such films faces the challenge that the maximum temperature tolerated by the aluminium substrate is 660 °C and low temperature CVD routes for BxC films are thus needed. LÄS MER