Now showing items 927-946 of 2669
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Ferromagnetic Resonance of LSMO Thin Film
(Master thesis, 2011)The magnetic properties of a 15uc thick LSMO thin film on SrTiO3 (STO) substrate atT=150K was investigated using the technique of ferromagnetic resonance (FMR). The FMRmeasurement of the 15uc thick LSMO thin film at a ... -
Ferromagnetic Resonance Spectroscopy Studies of Permalloy/Copper/Chromium/Copper thin films
(Master thesis, 2014)A theroretical and experimental study of 10Py/10Cu, 10Py/10Cu/xCr/10Cu (with x=4,7, 10,13 nm) thin films has been performed. The thin films were fabricated by the sputter deposition technique at NTNU Nanolab and afterwards ... -
Ferromagnetically mediated singlet-triplet qubit coupling
(Master thesis, 2022)Utviklingen mot realiseringen av kvantedatamaskiner er avhengig av forståelsen og utviklingen av passende fysiske systemer hvor kvantebits kan konstrueres. Å møte kravene for et slikt system er dog en betydelig ... -
Few-Electron Single and Double Quantum Dots in an InAs Two-Dimensional Electron Gas
(Peer reviewed; Journal article, 2021)Most proof-of-principle experiments for spin qubits have been performed with GaAs-based quantum dots because of the excellent control they offer over tunneling barriers and the orbital and spin degrees of freedom. Here we ... -
FIB lift-out of conducting ferroelectric domain walls in hexagonal manganites
(Journal article; Peer reviewed, 2019)A focused ion beam (FIB) methodology is developed to lift out suitable specimens containing charged domain walls in improper ferroelectric ErMnO3. The FIB procedure allows for extracting domain wall sections with well-defined ... -
FIB lift-out of conducting ferroelectric domain walls in hexagonal manganites
(Journal article; Peer reviewed, 2019)A focused ion beam (FIB) methodology is developed to lift out suitable specimens containing charged domain walls in improper ferroelectric ErMnO3. The FIB procedure allows for extracting domain wall sections with well-defined ... -
Fiber evanescent wave spectroscopy based on IR fluorescent chalcogenide fibers
(Journal article; Peer reviewed, 2016)Chalcogenide glasses, owing to their transparency in the infrared window and the appropriate solubility of rare earth, allows the generation of middle infrared (mid-IR) radiation from a near infrared or visible pumping ... -
Fiber Integrated Wavelength Converter Based on a Silicon core Fiber with a Nano-spike cCoupler
(Journal article; Peer reviewed, 2019)Abstract—An all-fiber integrated nonlinear silicon photonicwavelength converter has been proposed and fabricated using thesilicon core fiber platform. The silicon fiber was spliced directly toa conventional single ... -
Field dependent conductivity of n-pentane
(Chapter, 2017)A sensitive differential charge measurement technique was used to measure the conduction current from a sharp needle in a needle plane geometry in n-pentane. The current was measured at voltages up to the threshold for ... -
Field Theory at finite Temperature and Density: Applications to Quark Stars
(Master thesis, 2012)Abstract:In this thesis we will consider different thermal field theories, and derive an equation of state for deconfined matter.This equation of state will be used in the Tolman-Oppenheimer-Volkoff (TOV)-equations to ... -
Field-free nucleation of antivortices and giant vortices in non-superconducting materials
(Journal article; Peer reviewed, 2018)are usually energetically unfavorable, but geometric symmetry constraints on a superconductor in a magnetic field are known to stabilize such objects. Here, we show via microscopic calculations that giant vortices can ... -
Filler metal distribution and processing stability in laser-arc hybrid welding of thick HSLA steel
(Journal article; Peer reviewed, 2020)Welds made by high power laser beam have deep and narrow geometry. Addition offiller wire by the arc source,forming the laser-arc hybrid welding (LAHW) process, is very important to obtain required mechanical prop-erties. ... -
Film flow dominated simultaneous flow of two viscous incompressible fluids through a porous medium
(Journal article; Peer reviewed, 2014-11-19)We present an experimental study of two-phase flow in a quasi-two-dimensional porous medium. The two phases, a water-glycerol solution and a commercial food grade rapeseed/canola oil, having an oil to water-glycerol viscosity ... -
Finding performance parameters and implementing bulk corrections for SEM EDS data in open-source software
(Master thesis, 2023)Målet med dette arbeidet er å forbedre analysen av data fra energidispersiv røntgenspektroskopi i skanneelektronmikroskop (SEM EDS) gjennom (1) måling av ytelsesparametere og (2) bulkkorrigeringer for kvalitativ analyse i ... -
Fine material processing using ultra-short pulsed 2 μm all-fiber lasers
(Doctoral theses at NTNU;2022:327, Doctoral thesis, 2022)Precision processing of silicon (Si) and other semiconductors is becoming increasingly important following the rising demand for semiconductor-based devices. Laser-assisted material processing on and below the surface can ... -
Fingerprints of Universal Spin-Stiffness Jump in Two-Dimensional Ferromagnets
(Peer reviewed; Journal article, 2020)Motivated by recent progress on synthesizing two-dimensional magnetic van der Waals systems, we propose a setup for detecting the topological Berezinskii-Kosterlitz-Thouless phase transition in spintransport experiments ... -
Finite Element Modeling of Heat Generation in 1-3 Piezocomposite Transducers for Underwater Ultrasonic Applications
(Master thesis, 2018)Today, piezoelectric ultrasound transducers are used extensively for underwater applications such as sonar. In such transducers, operating in thickness mode, the active part is often a 1-3 piezocomposite, usually made of ... -
First order phase transition in a gauge theory of S = 1/2 quantum antiferromagnets
(Journal article; Peer reviewed, 2006) -
First post-Newtonian correction to gravitational waves produced by compact binaries How to compute relativistic corrections to gravitational waves using Feynman diagrams
(Master thesis, 2021)Hensikten med denne oppgaven er å beregne den relativistiske korreksjonen til gravitasjonsbølger som er produsert av kompakte binærsystemer i spiral-fall fasen. Korreksjonene er av den såkalte første post-Newtonske orden ... -
First principle calculations of pressure dependent yielding in solute strengthened aluminium alloys
(Journal article; Peer reviewed, 2020)The pressure dependence of the yield stress in solute strengthened aluminium alloys is investigated by first principle calculations. The solute elements studied are magnesium, silicon and copper. A fixed boundary cluster ...