Search for dissertations about: "Heterostructures"

Showing result 1 - 5 of 142 swedish dissertations containing the word Heterostructures.

  2. 1. Magnetic Heterostructures : The Effect of Compositional Modulation on Magnetic Properties

    Author : Inna Soroka; Roger Wäppling; Björgvin Hjörvarsson; Rudolf Schäfer; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Magnetism; Sputter deposition; Superlattice; Multilayers; Materialvetenskap; Materials science; Teknisk materialvetenskap;

    Abstract : The effect of compositional modulation on structural and magnetic properties of magnetic heterostructures was explored. The systems under focus were ferromagnetic superlattices Fe81Ni19/Co, metal-insulator multilayers Al2O3/Ni81Fe19, nanoparticles and artificial multilayered pillars. READ MORE

  4. 2. Theory of electron transport in superconducting heterostructures

    Author : Magnus Hurd; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; high-Tc; superconducting junctions; transport processes; heterostructures; BCS theory; Ginzburg-Landau theory; superconductors; Josephson effect; critical currents; grain boundaries; superconductivity;

    Abstract : .... READ MORE

  5. 3. Silicon δ-doping and GaAs/Si/GaAs heterostructures

    Author : Jan Thordson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; GaAs Si GaAs; GaAs; delta-doping; heterostructures; MBE; silicon;

    Abstract : .... READ MORE

  6. 4. The band offset and the critical layer thickness in III-V compound semiconductor heterostructures

    Author : Shu Min Wang; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; interface morphology; molecular beam epitaxy; band offset; transmission electron microscopy; InGaAs; strain; photoluminescence; critical layer thickness; quantum wells; heterostructures; III-V compounds;

    Abstract : .... READ MORE

  7. 5. Metamorphic Heterostructures and Lasers on GaAs

    Author : Ivar Tångring; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; metamorphic heterostructures; InGaAs quantum well; graded buffer layer; Semiconductor laser; GaAs; molecular beam epitaxy; telecom laser;

    Abstract : The objective of this thesis is to demonstrate the metamorphic growth of heterostructure lasers on GaAs substrates. Many heterostructure devices have their performance limited by the need to grow on lattice-matched substrates. READ MORE