Sökning: "electronics"

Visar resultat 1 - 5 av 1149 avhandlingar innehållade ordet electronics.

  1. 1. Molecular Electronics Insight from Ab-Initio Transport Simulations

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Jariyanee Prasongkit; Rajeev Ahuja; Magnus Paulsson; [2011]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Molecular Electronics; Ab Initio; DNA Sequencing; Nanoscience; Graphene; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Sammanfattning : This thesis presents the theoretical studies of electronic transport in molecular electronic devices. Such devices have been proposed and investigated as a promising new approach that complements conventional silicon-based electronics. LÄS MER

  2. 2. Molecular Electronics A Theoretical Study of Electronic Structure of Bulk and Interfaces

    Detta är en avhandling från Institutionen för fysik, kemi och biologi

    Författare :Mikael Unge; Sven Stafström; Mads Brandbyge; [2006]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; molecular electronics; electron transport; disorder; localization; long-range correlation; organometallic magnets; interface dipole; NATURAL SCIENCES Physics Other physics Computational physics; NATURVETENSKAP Fysik Övrig fysik Beräkningsfysik;

    Sammanfattning : This thesis deals with theoretical studies of the electronic structure of molecules used in the context of molecular electronics. Both studies with model Hamiltonians and first principle calculations have been performed. LÄS MER

  3. 3. Neural Networks Applications and Electronics Development for Nuclear Fusion Neutron Diagnostics

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Emanuele Ronchi; Sean Conroy; Basilio Esposito; [2009]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Neural networks; tomography; unfolding; real time; pulse shape discrimination; PSD; neutron spectroscopy; MPRu; TOFOR; KN3; neutron camera; LED; summing amplifiers; electronics; JET; NATURAL SCIENCES Physics Geocosmophysics and plasma physics Plasma physics; NATURVETENSKAP Fysik Geokosmofysik och plasmafysik Plasmafysik; NATURAL SCIENCES Physics Other physics Computational physics; NATURVETENSKAP Fysik Övrig fysik Beräkningsfysik; Applied Nuclear Physics; Tillämpad kärnfysik; Elektronik; Electronics;

    Sammanfattning : This thesis describes the development of electronic modules for fusion neutron spectroscopy as well as several implementations of artificial neural networks (NN) for neutron diagnostics for the Joint European Torus (JET) experimental reactor in England.The electronics projects include the development of two fast light pulser modules based on Light Emitting Diodes (LEDs) for the calibration and stability monitoring of two neutron spectrometers (MPRu and TOFOR) at JET. LÄS MER

  4. 4. Environmental Implications of Product Servicising. - The Case of Outsourced Computing Utilities

    Detta är en avhandling från International Institute for Industrial Environmental Economics, Lund University

    Författare :Andrius Plepys; [2004]
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; life cycle assessment; electronics; computers; semiconductors; server-based computing; Application Service Provision.; Commercial and industrial economics; Industriell ekonomi; Electronics; Dematerialisation; product servicising; Elektronik;

    Sammanfattning : The life cycle of electronic products is associated with significant environmental impacts. Compared to many other products, the production of electronics and in particular semiconductors is resource intensive and generates a number of highly toxic waste streams in manufacturing and post-consumer stages of product life cycle. LÄS MER

  5. 5. Vertical High-Voltage Transistors on Thick Silicon-on-Insulator

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Ulrich Heinle; Gehan Amaratunga; [2003]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electronics; SOI; vertical DMOS; trench isolation; power electronics; integration; on-resistance; capacitive coupling; self-heating; switching; Elektronik; TECHNOLOGY Electrical engineering; electronics and photonics Electronics; TEKNIKVETENSKAP Elektroteknik; elektronik och fotonik Elektronik; Elektronik; Electronics;

    Sammanfattning : More and more electronic products, like battery chargers and power supplies, as well as applications in telecommunications and automotive electronics are based on System-on-Chip solutions, where signal processing and power devices are integrated on the same chip. The integration of different functional units offers many advantages in terms of reliability, reduced power consumption, weight and space reduction, leading to products with better performance at a hopefully lower price. LÄS MER