Sökning: "semiconducting nanowire"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden semiconducting nanowire.

  1. 1. Vertical III-V Nanowire Transistors for Low-Power Electronics

    Författare :Abinaya Krishnaraja; Nanoelektronik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; metal-oxide-semiconductor field-effect transistor MOSFET ; Steep slope; Tunnel Field-Effect Transistors; Vertical nanowire; III-V materials; semiconducting III-V; InAs; GaSb; InGaAsSb; PMOS; Transistor; Electronics;

    Sammanfattning : Power dissipation has been the major challenge in the downscaling of transistor technology. Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs) have struggled to keep a low power consumption while still maintaining a high performance due to the low carrier mobilities of Si but also due to their inherent minimum inverse subthreshold slope (S ≥ 60 mV/dec) which is limited by thermionic emission. LÄS MER

  3. 2. Semiconductor Nanowires: Characterization and surface modification

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

    Sammanfattning : 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. LÄS MER

  4. 3. Biological Sensing and DNA Templated Electronics Using Conjugated Polymers

    Författare :Per Björk; Olle Inganäs; Wolfgang Fritzsche; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; conjugated polymer; conjugated polyelectrolyte; DNA; sensor; nanowire; Bioengineering; Bioteknik;

    Sammanfattning : Conjugated polymers have been found useful in a wide range of applications such as solar cells, sensor elements and printed electronics, due to their optical and electronic properties. Functionalization with charged side chains has enabled water solubility, resulting in an enhanced interaction with biomolecules. LÄS MER

  5. 4. Hot-carrier extraction in nanowires

    Författare :Jonatan Fast; NanoLund: Centre for Nanoscience; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Nanowire; Hot carrier; photovoltaic; Thermoelectric; Fysicumarkivet A:2023:Fast;

    Sammanfattning : A hot-carrier solar cell aims to generate power from energetic, photoexcited, charge carriers, so called hot carriers, in order to reach higher conversion efficiencies than current solar cell technology.Creating a hot-carrier solar cell has proven challenging for two main reasons: hot carriers lose their energy very quickly, and they need to be extracted over distances of a few hundrednanometers via energy selective filters. LÄS MER

  7. 5. Influence of Seed Particle Material, Preparation, and Dynamics on Nanowire Growth

    Författare :Karla Hillerich; Fasta tillståndets fysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; metal-organic vapor phase epitaxy; III-V seminconductor materials; nanowires; Fysicumarkivet A:2013:Hillerich; in situ TEM;

    Sammanfattning : Semiconducting nanowires have attracted scientific attention for more than 20 years due to their potential applications in electronic devices, as sensors, and in solid state lighting. These applications require high quality nanowires to begin with. LÄS MER