Search for dissertations about: "Single-electron transistors"

Showing result 1 - 5 of 16 swedish dissertations containing the words Single-electron transistors.

  2. 1. Single-Electron Tunneling Spectroscopy in Magnetic Nanoparticles and Molecular Magnets

    Author : Lukasz Michalak; Fasta tillståndets fysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; master equation; magnetic nanoparticles; spin accumulation; molecular magnets; TMR; tunneling magnetoresistance; F-SET; ferromagnetic single-electron transistor; single-electron tunneling; nanomagnetism; spintronics; Coulomb blockade;

    Abstract : This thesis deals with single-electron tunneling in transistor-like devices in which the central electrode is either a metal nanoparticle (possibly ferromagnetic) or a molecular magnet. The investigated systems split into two different categories, depending on the size of the central island. READ MORE

  4. 2. Nanofabrication of Single Electron Transistors and Evaluation of Miniature Biosensors

    Author : Linda G. M. Olofsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; miniaturization; nanoparticles; impedance; single electron tunneling; biosensors; surface plasmon resonance;

    Abstract : This thesis deals with miniaturization in two different fields: electronics and biosensing. The first part deals with fabrication and measurements of two nanoscale structures - a self-assembled single electron transistor and a (potential) single junction device. READ MORE

  5. 3. Fabrication and Characterization of Aluminum Single Electron Transistors for Scanning Probes

    Author : Henrik Brenning; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; radio frequency single electron transistor; scanning probe; charging energy; nano fabrication; noise; scanning SET; SET; cantilever; AFM; RC-product; micro mechanics;

    Abstract : The main objective of the work presented in this thesis was to fabricatescanning single electron transistor probes that operate at pumped liquid heliumtemperatures. This required single electron transistors (SETs) with low resistance (R_) and relatively high charging energy (E_C), and the technology tointegrate SETs onto probes. READ MORE

  6. 4. Nanoscale YBa2Cu3O7-δ devices -Searching for a subdominant order parameter using a single electron transistor

    Author : David Gustafsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; grain boundary; Josephson junctions; YBCO; single electron transistors; high temperature superconductivity;

    Abstract : The microscopic origin of High critical Temperature Superconductivity (HTS) is still an open issue in condensed matter physics. It is believed that by exlporing the quasiparticle energy spectrum one can learn about the mechanism promoting the superconducting state. READ MORE

  7. 5. Quench-Condensed Metallic Clusters Studied by Single Electron Tunneling

    Author : Andrey Danilov; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Using angle deposition through conventional electron-beam lithographic masks as the sample resistance was measured in situ, we defined constrictions with widths and lengths of about 5 nm in thin (1-3) nm granular films. The nominal film thickness in the constriction could be varied stepwise by in situ film depositions, changing the grain size and the configuration of the tunneling paths. READ MORE