Sökning: "epitaxial lateral overgrowth"

Visar resultat 1 - 5 av 10 avhandlingar innehållade orden epitaxial lateral overgrowth.

  1. 1. Three-Dimensional Metal-Semiconductor Heterostructures for Device Applications

    Detta är en avhandling från Lars-Erik Wernersson Norbergsg. 3 223 54 Lund

    Författare :Lars-Erik Wernersson; Lunds universitet.; Lund University.; Lunds universitet.; Lund University.; [1998]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Schottky contacts; space-charge spectroscopy; ballistic transport; Coulomb repulsion; electron interference; resonant tunnelling; lateral confinement; heterojunction permeable base transistor; resonant tunnelling diodes; Fysicumarkivet A:1998:Wernersson; Fysik; Physics; resonant tun; epitaxial overgrowth;

    Sammanfattning : Fabrication and characterisation of buried metal contacts in compound semiconductors are demonstrated. The contacts have been investigated due to their usage both as gates in transistors and as active or passive elements in novel devices. LÄS MER

  2. 2. Epitaxial Lateral Overgrowth of Indium Phosphide and Its Application in Heteroepitaxy

    Detta är en avhandling från Kista : Mikroelektronik och informationsteknik

    Författare :Yanting Sun; KTH.; [2003]
    Nyckelord :electronics; electrical; material science;

    Sammanfattning : Monolithic integration of optoelectronics on silicon is adream. This thesis deals with the studies on the heteroepitaxyof indium phosphide on silicon substrate towards making thatdream come true. Materials growth issues, characterization anddefect identification are addressed. LÄS MER

  3. 3. Investigation of New Concepts and Solutions for Silicon Nanophotonics

    Detta är en avhandling från Stockholm : KTH

    Författare :Zhechao Wang; KTH.; [2010]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Planar integrated circuit; silicon photonics; slot waveguide; finite-difference time-domain; waveguide grating coupler; ring resonator; polarization diversity scheme; polarization beam splitter; polarization rotator; hybrid silicon laser; epitaxial lateral overgrowth; chemical-mechanical polishing.; NATURAL SCIENCES Physics Other physics Optics; NATURVETENSKAP Fysik Övrig fysik Optik;

    Sammanfattning : Nowadays, silicon photonics is a widely studied research topic. Its high-index-contrast and compatibility with the complementary metal-oxide-semiconductor technology make it a promising platform for low cost high density integration. LÄS MER

  4. 4. New Methods in the growth of InP on Si and Regrowth of Semi-insulating InP for Photonic Devices

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Wondwosen Tilahun Metaferia; KTH.; [2014]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : This thesis addresses new methods in the growth of indium phosphide on silicon for enabling silicon photonics and nano photonics as well as efficient and cost-effective solar cells. It also addresses the renewal of regrowth of semi-insulating indium phosphide for realizing buried heterostructure quantum cascade lasers with high power and wall plug efficiency for sensing applications. LÄS MER

  5. 5. Aberration-Corrected Analytical Electron Microscopy of Transition Metal Nitride and Silicon Nitride Multilayers

    Detta är en avhandling från Linköping : Linköping University Electronic Press

    Författare :Amie Fallqvist; Linköpings universitet.; Linköpings universitet.; [2013]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Two multilayer thin films have been studied: TiN/SiNx and ZrN/SiNx. A double-corrected transmission electron microscope (TEM) was utilized for imaging and spectroscopy. Imaging was carried out in scanning mode (STEM) for all samples. LÄS MER