Search for dissertations about: "ohms law"

Found 5 swedish dissertations containing the words ohms law.

  2. 1. Solitary waves and enhanced incoherent scatter ion lines

    Author : Jonas Ekeberg; Lars Eliasson; Kristof Stasiewicz; Jan Trulsen; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; plasma waves and instabilities; nonlinear phenomena; solitons and solitary waves; ionosphere; Sun: corona; incoherent scatter radar; MHD; plasmavågor och instabiliteter; ickelinjära fenomen; solitoner och solitära vågor; jonosfär; solen: korona; inkoherent spridningsradar; MHD; Geocosmophysics and plasma physics; Geokosmofysik och plasmafysik; Space physics; Rymdfysik; Plasma physics; Plasmafysik; Non-linear dynamics; chaos; Icke-linjär dynamik; kaos; fysik; Physics; rymd- och plasmafysik; Space and Plasma Physics;

    Abstract : This thesis addresses solitary waves and their significance for auroral particle acceleration, coronal heating and incoherent scatter radar spectra. Solitary waves are formed due to a balance of nonlinear and dispersive effects. READ MORE

  4. 2. Localized electrochemical impedance technique for the study of corrosion processes

    Author : Feng Zou; KTH; []
    Keywords : ;

    Abstract : A localized electrochemical impedance technique has beendeveloped based on a measure of the local a.c. potentialgradient in solution by a high-resolution probe. The probeconsists of a pair of microelectrodes or a single vibratingmicroelectrode with a tip size of about 10 mm. READ MORE

  5. 3. Effects of Coherence and Correlations on Transport through Nanostructures

    Author : Olov Karlström; Matematisk fysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Fysicumarkivet A:2012:Karlström;

    Abstract : This dissertation deals with the effects of coherence and correlations on transport through nanostructures. Simulations are mainly performed using the second order von Neumann approach, a method capable of dealing with these effects in the presence of higher order tunneling. READ MORE

  6. 4. Vertical III-V/High-k Nanowire MOS Capacitors and Transistors

    Author : Jun Wu; Institutionen för elektro- och informationsteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Nanowire; MOSFET; MOS capacitor; C-V; XPS; MOVPE; InGaAs; InAs; High-k; RF; Track-and-hold circuit;

    Abstract : The emerging nanowire technology in recent years has attracted an increasing interest for high-speed, low-power electronics due to the possibility of a gate-all-around (GAA) geometry enabling aggressive gate length scaling, together with the ease in incorporating high-mobility narrow band gap III-V semiconductors such as InAs on Si substrates. These benefits make vertical nanowire transistors an attractive alternative to the planar devices. READ MORE

  7. 5. Probing Electron Collisions in Nanostructures

    Author : Fikeraddis Damtie; Matematisk fysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; electron-electron interaction; Time dependent dynamics; Multiple Exciton Generation; Two dimensional spectroscopy; Fysicumarkivet A:2017:Damtie;

    Abstract : This thesis studies the role of interaction between charged particles for transport and optical properties in nanostructures. Simulations are provided for a quantitative description of the system dynamics probed by either current spectroscopy or light absorption. READ MORE