Sökning: "InAs-InP"

Visar resultat 1 - 5 av 20 avhandlingar innehållade ordet InAs-InP.

  1. 1. Optical Studies of InAs Quantum Dots in III-V Semiconductors

    Detta är en avhandling från Solid State Physics, Lund University

    Författare :Lars Landin; Lund University.; Lunds universitet.; [2000]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; quantum dots; III-V semiconductors; k.p calculations; photoluminescence; deep-level transient spectroscopy; photoconductivity; few particle effect; single dot spectroscopy; InAs InP; Semiconductory physics; Halvledarfysik; Fysicumarkivet A:2000:Landin; InAs GaAs;

    Sammanfattning : I this thesis, optical studies of InAs quantum dots (QDs) in GaAs and InP are presented. The electronic structure of these zero dimensional structures, grown in the Stranski-Krastanow growth mode, was studied by photoluminescence spectroscopy (PL), junction space-charge techniques (JSCT) and photoconductivity (PC) measurements. LÄS MER

  2. 2. Spectroscopic studies of III-V semiconductors in two, one and zero dimensions

    Detta är en avhandling från Solid State Physics, Lund University

    Författare :Dan Hessman; Lund University.; Lunds universitet.; [1996]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; InAs-InP; low-dimensional structures; quantum wells; quantum dots; quantum wires; k.p calculations; type-II; photoluminescence; V grooves; Stranski Krastanow; single dot spectroscopy; GaAs-InP; III-V semiconductors; Fysicumarkivet A:1996:Hessman; InAs-GaAs; GaInAs-InP; Halvledarfysik; InP-GaInP; Semiconductory physics;

    Sammanfattning : In this thesis, spectroscopic studies of quantum wells (QWs), quantum wires (QWRs) and quantum dots (QDs) in III-V semiconductors are presented. The electronic structure of these low-dimensional structures have been studied by absorption, photocurrent, electroreflectance, photoluminescence (PL), and photoluminescence excitation (PLE) spectroscopy. LÄS MER

  3. 3. Strain and Charge Transport in InAsP-InP and InP-InAs Core-Shell Nanowires

    Detta är en avhandling från Department of Physics, Lund University

    Författare :David Göransson; Lund University.; Lunds universitet.; Lund University.; Lunds universitet.; [2019-04-29]
    Nyckelord :Nanowire; InAsP-InP core-shell nanowire; InP-InAs core-shell nanowire; strain; XRD; charge transport; Coulomb blockade; Josephson junction; Fysicumarkivet A:2019:Göransson;

    Sammanfattning : The mechanical, optical, and electrical properties of III-V semiconductor heterostructures are investigated in thisthesis. The semiconductor materials are grown by metal-organic vapor phase epitaxy, yielding wire shaped crystals(nanowires) having a length of ~ 1 μm and diameter of ~ 100 nm. LÄS MER

  4. 4. Epitaxial Growth, Processing and Characterization of Semiconductor Nanostructures

    Detta är en avhandling från Division of Solid State Physics, Department of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden

    Författare :Magnus Borgström; Lund University.; Lunds universitet.; [2003]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; quantum transport; resonant tunneling diodes; relativity; quantum mechanics; statistical physics; thermodynamics; Matematisk och allmän teoretisk fysik; klassisk mekanik; kvantmekanik; relativitet; gravitation; statistisk fysik; termodynamik; classical mechanics; Mathematical and general theoretical physics; whiskers; ultra high vacuum chemical vapor deposition; RTD; self assembled quantum dots; semiconducting III-V materials; nanowires; metalorganic vapor phase epitaxy; MOVPE; nanostructures; AFM; Atomic force microscopy; InAs; Fysicumarkivet A:2003:Borgström;

    Sammanfattning : This thesis deals with the growth, processing and characterization of nano-sized structures, eg., self-assembled quantum dots and nano-wires. LÄS MER

  5. 5. Studies of Novel Nanostructures by Cross- sectional Scanning Tunneling Microscopy

    Detta är en avhandling från Department of Synchrotron Radiation Research, Lund University

    Författare :Lassana Ouattara; Lund University.; Lunds universitet.; [2006]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Dilute ferromagnetic semiconductors Superlattices; Cross-sectional scanning tunneling microscopy; Semiconductor nanostructures; Fysik; Physics; Epitaxy; Quantum dots; Nanowires;

    Sammanfattning : This thesis presents structural and morphological studies of semiconductor nanostructures, namely quantum dots, nanowires and a dilute ferromagnetic semiconductor. These nanostructures are investigated on the atomic scale using cross-sectional scanning tunneling microscopy (XSTM). LÄS MER