Search for dissertations about: "Aharonov-Bohm effect"

Showing result 1 - 5 of 8 swedish dissertations containing the words Aharonov-Bohm effect.

  2. 1. Electron transport properties of graphene and graphene field-effect devices studied experimentally

    Author : Youngwoo Nam; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; dual-gated graphene field effect devices; thermopower; quantum Hall effect; graphene; Aharonov-Bohm effect; chemical vapour deposition;

    Abstract : This thesis contains experimental studies on electronic transport properties of graphene with the Aharonov-Bohm (AB) effect, thermopower (TEP) measurements, dual-gated graphene field effect devices, and quantum Hall effect (QHE). Firstly, in an effort to enhance the AB effect in graphene, we place superconducting-metal (aluminium) or normal-metal (gold) mirrors on the graphene rings. READ MORE

  4. 2. Towards graphene-based devices: Fabrication and characterization

    Author : Niclas Lindvall; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Synthesis; Chemical vapor deposition; Mechanical cleaning; Aharonov-Bohm effect; Graphene; Ferroelectric; Bolometer;

    Abstract : Graphene is a new material with a large set of impressive properties, interesting both for fundamental studies and applications. Reliable synthesis of large-scale, high-quality graphene is key to its future success. READ MORE

  5. 3. Fabrication and characterization of graphene-superconductor devices

    Author : Niclas Lindvall; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Graphene; Atomic force microscopy; Aharonov-Bohm effect; Weak localization; Bolometer; Chemical vapor deposition; Synthesis; Mechanical cleaning;

    Abstract : Graphene is the first single-atom-thick two-dimensional material and exhibits a large set of interesting properties. This thesis consists of two parts. The first regards the growth of large-area graphene using chemical vapor deposition (CVD). READ MORE

  6. 4. Correlation Effects in One-dimensional Electron Systems

    Author : Peter Sandström; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; exclusion statistics; resonant tunneling; one dimension; correlated electrons; charge quantization; persistent currents; Aharonov-Bohm effect; Luttinger liquid;

    Abstract : Theoretical studies suggest that an interacting one-dimensional electron system does not behave as a Fermi liquid. Instead, it is predicted to form a Luttinger liquid characterized e.g. by the absence of fermionic quasiparticles and interaction-dependent power-laws for transport quantities. READ MORE

  7. 5. Interacting electrons and persistent currents

    Author : Peter Sandström; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; interacting electrons; persistent currents; Wigner crystal; Aharonov-Bohm effect; Luttinger liquid; one dimension;

    Abstract : .... READ MORE