Search for dissertations about: "magnetisk resonans"

Showing result 21 - 25 of 36 swedish dissertations containing the words magnetisk resonans.

  2. 21. Coherent Interactions in Rare-Earth-Ion-Doped Crystals for Applications in Quantum Information Science

    Author : Mattias Nilsson; Atomfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; quantum optics; relaxation; magnetic resonance; supraconductors; magnetic and optical properties; electrical; Condensed matter:electronic structure; Atom- och molekylärfysik; optical information processing; coherence in solids; Atomic and molecular physics; rare-earth-ion-doped crystals; magnetisk resonans; spektroskopi; supraledare; magnetiska och optiska ; egenskaper elektriska; Kondenserade materiens egenskaper:elektronstruktur; spectroscopy; quantum information;

    Abstract : This thesis describes investigations of the use of cryogenically cooled rare-earth-ion-doped crystals for quantum information processing and quantum optics. Several aspects of the coherent interaction between light and rare-earth ions in solids are addressed. Quantum information science has given physicists new views of quantum mechanics. READ MORE

  4. 22. Photoelectron Spectroscopy of High Temperature Superconductors and Related Compounds

    Author : Henrik Nylén; Synkrotronljusfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; egenskaper elektriska; supraledare; magnetiska och optiska ; magnetisk resonans; X-ray Absorption; Photoelectron Spectroscopy; Resonant Photoemission; Condensed matter:electronic structure; High Temperature Superconductors; Angle Resolved Photoemission; electrical; supraconductors; magnetic and optical properties; magnetic resonance; spectroscopy; spektroskopi; Kondenserade materiens egenskaper:elektronstruktur; relaxation; Fysicumarkivet A:1998:Nylén;

    Abstract : In this thesis, the high temperature superconductors (HTSC) Ba0.6K0.4BiO3, La2CuO4+x, Bi2Sr2Ca1-xYxCu2O 8+d, Bi2Sr2CuO6+d as well as semiconducting Ba0.9K0. READ MORE

  5. 23. Free Clusters Studied by Synchrotron-Based X-ray Spectroscopy: From Rare Gases to Metals

    Author : Sergey Peredkov; Synkrotronljusfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; supraconductors; magnetic resonance; relaxation; spectroscopy; magnetic and optical properties; rare-gas clusters; Condensed matter:electronic structure; electrical; metal clusters; photoemission; synchrotron radiation; core-level spectroscopy; Auger decay; XPS; nano-particles; free clusters; egenskaper elektriska; spektroskopi; magnetisk resonans; magnetiska och optiska ; supraledare; Kondenserade materiens egenskaper:elektronstruktur;

    Abstract : The main topic of this Thesis is the x-ray spectroscopic studies of free nano-clusters with size more than 10^3 atoms. The photoelectron spectroscopy experiments on rare gas and metal clusters were performed at beamline I411 at MAX-lab National Swedish synchrotron radiation facility. Free rare-gas clusters are simplest objects in cluster research. READ MORE

  6. 24. Measurements of Oscillator Strengths in Fe, Zr, Mo and Ce

    Author : Carl Martin Sikström; Fysiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; cerium; molybdenum; Atomic and molecular physics; Atom- och molekylärfysik; Condensed matter:electronic structure; magnetic and optical properties; electrical; magnetic resonance; supraconductors; relaxation; spectroscopy; Kondenserade materiens egenskaper:elektronstruktur; egenskaper elektriska; astrophysics; magnetiska och optiska ; spektroskopi; oscillator strengths; supraledare; zirconium; magnetisk resonans; Fourier transform spectroscopy; branching fraction; radiative lifetimes; iron;

    Abstract : Atomic data are needed in many different areas of science and technology. Examples of users are the astronomical community and the lighting industry. In this work, the purpose of the projects has been to produce reliable atomic data needed to solve specific astrophysical problems. READ MORE

  7. 25. Energy migration and charge formation in conjugated polymers

    Author : Yuri Zaushitsyn; Kemisk fysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; magnetic resonance; relaxation; spectroscopy; Kondenserade materiens egenskaper:elektronstruktur; egenskaper elektriska; magnetiska och optiska ; supraledare; magnetisk resonans; spektroskopi; supraconductors; magnetic and optical properties; electrical; energy transfer; Physics; Fysik; Condensed matter:electronic structure; transient absorption spectroscopy; conjugated polymer; charge photogeneration;

    Abstract : The main part of the thesis is concerned with charge photogeneration in conjugated polymers. MeLPPP and POMeOPT films were investigated by transient absorption spectroscopy using different excitation photon energies and light intensities with and without an external electric field. READ MORE