Search for dissertations about: "nanotrådar"

Showing result 1 - 5 of 43 swedish dissertations containing the word nanotrådar.

  2. 1. Semiconductor Nanowires: Characterization and surface modification

    Author : Sofie Yngman; NanoLund: Centre for Nanoscience; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; semiconducting nanowire; atomic force microscopy; Scanning tunneling microscopy; X-ray Photoelectron Spectroscopy; Scanning Probe Microscopy; Nanowires; Sveptunnelmikroskopi; Atomkraftsmikroskopi; XPS; Halvledarfysik; nanotrådar;

    Abstract : The topic of III-V nanowires is still, after more than two decades, a growing and lively research area. The areas of application are wide and contain such important topics as energy harvesting, cheap and efficient lighting, high efficiency detectors and new types of electronics. III-V materials offer properties superior to the widely used Si. READ MORE

  4. 2. Spider Silk Nanostructuring and its Applications for Tissue Engineering

    Author : Linnea Gustafsson; Wouter van der Wijngaart; David Kaplan; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; recombinant spider silk; nanostructures; microstrucutres; nanowires; nanochains; nanodisks; nanomembranes; tissue engineering; in-vitro models; medical technology; health technology; nanomedicine; rekombinant spindelsilke; nanostrukturer; mikrostrukturer; nanotrådar; nanokedjor; nanodiskar; nanomembran; vävnadsteknik; in vitro-modeller; medicinsk teknik; hälsoteknik; nanomedicin; Electrical Engineering; Elektro- och systemteknik;

    Abstract : This thesis introduces new ways to produce micro-and nanostructures of recombinant spider silk and explores ways to characterize their topography, mechanical properties, cell compatibility, and permeability. The suitability of the formed structures for applications within tissue engineering, primarily in vitro tissue modeling, is also investigated. READ MORE

  5. 3. Strain Mapping of Single Nanowires using Nano X-ray Diffraction

    Author : Susanna Hammarberg; NanoLund: Centre for Nanoscience; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Nanotrådar; X-ray Diffraction; Strain mapping; XRF; III-V nanowire; perovskite nanowires; Diffraction; Nanowires; Strain mapping; XRD; XRF; MAX IV;

    Abstract : Nanowires are explored as basic components for a large range of electronic devices. The nanowire format offersseveral benefits, including reduced material consumption and increased potential for combining materials to formnew novel heterostructures. READ MORE

  6. 4. III-V Nanowires for High-Speed Electronics

    Author : Fredrik Lindelöw; NanoLund: Centre for Nanoscience; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Nanowire; MOSFET; Hall; DC; RF; Nanowire; MOSFET; Hall; DC; RF;

    Abstract : III-V compound materials have long been used in RF applications in high-electron-mobility-transistors (HEMTs) and bipolar-junction-transistors (BJTs). Now, III-V is also being viewed as a material candidate for replacing silicon in the n-channel in CMOS processes for increased drive currents and reduced power consumption in future nodes. READ MORE

  7. 5. Aerosol Metal Nanoparticles and their Role in Particle-Assisted Growth of III–V Nanowires

    Author : Robert Hallberg; NanoLund: Centre for Nanoscience; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; aerosol formation; III–V semiconductor materials; catalyst particles; Palladium nanoparticles; Gold nanoparticles; Spark discharge generation; MOVPE; MOCVD; Transmission electron microscopy TEM ; Phase stability; Nanoparticle deposition; Nanoparticle generation; nanoparticles characterization; Nanowire NW ; Nanowire growth;

    Abstract : Semiconductor nanowires have properties that make them potentially useful for applications in future electronic, photovoltaic, and optoelectronic devices. A powerful nanowire fabrication technique is the use of a nanoparticle as a preferential nucleation site, from which a nanowire grows. READ MORE