Sökning: "STO"

Visar resultat 1 - 5 av 25 avhandlingar innehållade ordet STO.

  1. 1. Spin Torque Oscillator Modeling, CMOS Design and STO-CMOS Integration

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Tingsu Chen; KTH.; [2015]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; STO technology; microwave oscillator; analytical model; macrospin approximation; Verilog-A model; high frequency CMOS circuits; balun-LNA; STO-IC integration; Informations- och kommunikationsteknik; Information and Communication Technology;

    Sammanfattning : Spin torque oscillators (STOs) are microwave oscillators with an attractive blend of features, including a more-than-octave tunability, GHz operating frequencies, nanoscale size, nanosecond switching speed and full compatibility with CMOS technology. Over the past decade, STOs' physical phenomena have been explored to a greater extent, their performance has been further improved, and STOs have already shown great potential for a wide range of applications, from microwave sources and detectors to neuromorphic computing. LÄS MER

  2. 2. Magnetodynamics in Spin Valves and Magnetic Tunnel Junctions with Perpendicular and Tilted Anisotropies

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Quang Tuan Le; KTH.; [2016]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; perpendicular magnetic anisotropy; tilted-polarizer; spintronics; STT; MTJ; pseudospin-valve; STO; ST-FMR; magnonics; magnetic droplet; droplet nucleation; droplet annihilation; vinkelrät magnetisk anisotropi; lutande polarisator; spinntronik; STT; MTJ; pseudospinnventil; STO; ST-FMR; magnonics; magnetisk droppe; nukleering av droppe; anihilering av droppe.; Physics; Fysik;

    Sammanfattning : Spin-torque transfer (STT) effects have brought spintronics ever closer to practical electronic applications, such as MRAM and active broadband microwave spin-torque oscillator (STO), and have emerged as an increasingly attractive field of research in spin dynamics. Utilizing materials with perpendicular magnetic anisotropy (PMA) in such applications offers several great advantages such as low-current, low-field operation combined with high thermal stability. LÄS MER

  3. 3. Characterization of (Ba,Sr)TiO3 thin films for multiplier applications

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Pär Rundqvist; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; BSTO; THz; triplers; powerhandling capability; multilayer structures; frequency multipliers; Ferroelectric; BST; losses; Varactor; STO;

    Sammanfattning : (Ba,Sr)TiO3 (BSTO) and SrTiO3 (STO) parallel plate ferroelectric varactors are investigated for microwave multiplier applications.STO and BSTO exhibit low losses, high permittivity and largetunability of both permittivity and losses. All films are deposited using Pulsed Laser Deposition, magnetron sputtering and E-beam evaporation. LÄS MER

  4. 4. The Role of Interfacial Microstructure of Perovskite Thin FIlms - A High Resolution and In Situ Study

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Johan Börjesson; [2009]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; KTO; STO; Perovskites; thin film; interfaces; SRO; microstructure; HAADF STEM; TEM; in situ TEM; LAO;

    Sammanfattning : Perovskite based materials have recently shown to have many unique properties that make them suitable for future electronic devices. In this thesis, the role of the interfacial microstructure on the properties of perovskite thin film heterostructures has been investigated. LÄS MER

  5. 5. Nano-patterning of two-dimensional electron gas at the interface between SrTiO3 and LaAlO3

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Pier Paolo Aurino; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Interfaces; q2DEG; Thin Films; Ar Ion Implantation.; LAO STO; Nano-Patterning; Complex Oxides;

    Sammanfattning : .... LÄS MER