Search for dissertations about: "thesis on semiconductor"

Showing result 1 - 5 of 541 swedish dissertations containing the words thesis on semiconductor.

  1. 1. Semiconductor Nanoelectronic Devices Based on Ballistic and Quantum Effects

    University dissertation from Lund University (Media-Tryck)

    Author : Jie Sun; Lund University.; Lunds universitet.; [2009]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Semiconductor; Quantum Dots; Ballistic Transport; InGaAs InP 2DEG; Nanoelectronics;

    Abstract : As current silicon-based microelectronic devices and circuits are approaching their fundamental limits, the research field of nanoelectronics is emerging worldwide. With this background, the present thesis focuses on semiconductor nanoelectronic devices based on ballistic and quantum effects. The main material studied was a modulation doped In0. READ MORE

  2. 2. Semiconductor Nanowires: Epitaxy and Applications

    University dissertation from Solid State Physics

    Author : Thomas Mårtensson; Lund University.; Lunds universitet.; [2008]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; semiconductor; nanotechnology; nanowires; crystal growth; metal-organic vapour phase epitaxy; III-V; silicon; MOVPE; light-emitting diode; single-electron transistor; cell;

    Abstract : Semiconductor nanowires are nanoscale objects formed by bottom-up synthesis. In recent years their unique properties have been exploited in fields such as electronics, photonics, sensors and the life sciences. In this work, the epitaxial growth of nanowires and their applications were studied. READ MORE

  3. 3. Microwave CMOS VCOs and Front-Ends - using integrated passives on-chip and on-carrier

    University dissertation from Department of Electrical and Information Technology, Lund University

    Author : Markus Törmänen; Lund University.; Lunds universitet.; Lund University.; Lunds universitet.; [2010]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VCO; mixer; microwave; LNA; CMOS; front-end; System-on-Package;

    Abstract : The increasing demand for high data rates in wireless communication systems is increasing the requirements on the transceiver front-ends, as they are pushed to utilize more and wider bands at higher frequencies. The work in this thesis is focused on receiver front-ends composed of Low Noise Amplifiers (LNAs), Mixers, and Voltage Controlled Oscillators (VCOs) operating at microwave frequencies. READ MORE

  4. 4. Effects of the Spin-Orbit Interaction on Transport and Optical Properties of III-V Semiconductor Quantum Wells

    University dissertation from Division of Solid State Theory, Department of Physics, University of Lund, Sölvegatan 14A, SE-223 62 Lund

    Author : Vladimir Froltsov; Lund University.; Lunds universitet.; [2000]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; spin-orbit interaction; quantum well; III-V; Raman scattering; magnetoresistance; weak localization; spin distribution; magnetic field; Fysik; Physics; Fysicumarkivet A:2000:Froltsov; Halvledarfysik; Semiconductory physics; semiconductor;

    Abstract : Effects of the intrinsic electron spin-orbit interaction on transport and optical properties of III-V semiconductor quantum wells have been studied theoretically. It is shown that due to crystal anisotropy of this interaction, the weak localization magnetoresistance in a magnetic field parallel to interfaces is very sensitive to the epitaxy growth direction and also to the orientation of the magnetic field with respect to the crystal axes. READ MORE

  5. 5. Doping of Semiconductor Nanowires

    University dissertation from Lund University

    Author : Jesper Wallentin; Lund University.; Lunds universitet.; Lund University.; Lunds universitet.; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; metal-organic vapour phase epitaxy; III-V semiconductor materials; nanowires; doping; solar cells; F:2013:Wallentin;

    Abstract : In this thesis, in situ doping during growth of III-V semiconductor nanowires, primarily for photovoltaic applications, is investigated. The nanowires were grown by metalorganic vapor phase epitaxy (MOVPE), with gold seed particles. READ MORE