Sökning: "Spintronic"

Visar resultat 21 - 25 av 36 avhandlingar innehållade ordet Spintronic.

  1. 21. Magnetic Properties of Epitaxial Metal/Oxide Heterostructures

    Författare :Tobias Warnatz; Björgvin Hjörvarsson; Fridrik Magnus; Vassilios Kapaklis; Stuart S.P. Parkin; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Fe MgO; interlayer exchange coupling; anisotropy; IEC; superlattice; multilayer; polarized neutron reflectometry; PNR; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Sammanfattning : The work in this dissertation is devoted to tailoring and studying magnetic properties of epitaxial metal/oxide heterostructures. The aim is to understand the fundamental principles governing these properties and how they affect each other. The acquired knowledge can prove useful for the development of future spintronic devices. LÄS MER

  3. 22. Frequency comb Brillouin microscopy

    Författare :Felipe Ademir Alemán Hérnandez; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Brillouin light scattering; optics; spinwave spectroscopy; phonon spectroscopy; microscopy; Fabry-Perot interferometer; Frequency comb;

    Sammanfattning : Brillouin light scattering (BLS), an almost a century-old technique, has evolved into a powerful and versatile method to study acoustic and magnetic phenomena down to the nanometer size scale. Presently, BLS can be applied in fields as diverse as acoustics, spintronics, geosciences, and biophysics. LÄS MER

  4. 23. Sol−Gel Synthesis of CMR Manganites

    Författare :Annika Pohl; Gunnar Westin; David A. Payne; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Inorganic chemistry; sol-gel; alkoxide; doped manganites; CMR; perovskite; phase development; Oorganisk kemi; Inorganic chemistry; Oorganisk kemi;

    Sammanfattning : The development of more advanced materials forms the basis of technological progress. One group of fascinating compounds with many potential applications in spintronic devices are the mixed-valence perovskite manganites. LÄS MER

  5. 24. Magnetic properties of hard-soft amorphous nanolaminates

    Författare :Parul Rani; Gabriella Andersson; Petra Jönsson; Kostas Sarakinos; Erik Wahlström; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Amorphous Thin Film; Soft Hard Multilayers; Combinatorial Sputtering; Magnetism; Rigid-Exchange coupling; First-Order Reversal Curve; Fysik; Physics;

    Sammanfattning : Amorphous magnetic thin film heterostructures and multilayers are often used in data storage as well as spintronic devices. Spintronics will help the next generation of nano-electronic devices to increase their memory and processing power and reduce their power consumption. LÄS MER

  7. 25. First-principles theory of electrically-induced spin and orbital magnetization

    Författare :Leandro Salemi; Peter M. Oppeneer; Yuriy Mokrousov; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Spin-orbit torque; spin Hall effect; Rashba-Edelstein effect; spin Nernst effect; relativistic DFT; spin-orbitronics;

    Sammanfattning : Spin-orbit torques (SOTs) have emerged recently as practical tools to control the magnetization in spintronic devices, but it is debated what the underlying fundamental processes are that enable fast and energy-efficient magnetization switching.In this thesis, we investigate theoretically possible means of controlling magnetization in magnetic materials and heterostructures. LÄS MER