Browsing Institutt for fysikk by Issue Date
Now showing items 541-560 of 2677
-
phi-state and inverted Fraunhofer pattern in nonaligned Josephson junctions
(Journal article; Peer reviewed, 2013)A generic nonaligned Josephson junction in the presence of an external magnetic field is theoretically considered and an unusual flux-dependent current-phase relation (CPR) is revealed. We explain the origin of the anomalous ... -
Ab initio based interface modeling for fully coherent precipitates of arbitrary size in Al alloys
(Journal article, 2013)Multiscale modelling of hardening precipitate interfaces in alloy design This project will develop a new multiscale modelling scheme used to investigate hardening precipitate interfaces in metal alloys. The major aim is ... -
Electric field nematic alignment of fluorohectorite clay particles in oligomeric matrices
(Journal article, 2013)We study the behavior of fluorohectorite synthetic clay particles dispersed in paraffin wax. We report wide-angle x-ray scattering related to electric-field-induced alignment of the embedded clay particles. The development ... -
Atomic force microscopy measurements for the surface and the interaction characterization to optimize the surface patterning for bacterial micro arrays
(Master thesis, 2013)This Master project was done in the Department of Physics at NTNU in the spring2013. The project focus on the optimization of micro patterning techniques to producemicro arrays for single bacterial cell studies. The micro ... -
Van der Waals interactions: Corrections from radiation in fluids
(Journal article; Peer reviewed, 2013) -
Effect of clay surface charge on the emerging properties of polystyrene-organoclay nanocomposites
(Journal article; Peer reviewed, 2013) -
Estimation of Skin Optical Parameters for Real-Time Hyperspectral Imaging Applications using GPGPU Parallel Computing
(Master thesis, 2013)Hyperspectral imaging with a high spatial and spectral resolution can be used to analyze materials using spectroscopic methods. This can be applied on skin as a general purpose real-time diagnostic tool.Light transport ... -
Gauge Dependence of the Quantum Field Theory Effective Potential
(Master thesis, 2013)Using the absolute stability requirement of the Standard Model vacuum, we compute the Higgs mass bound for the 1-loop Standard Model effective potential with gauge dependence in the $R_\xi$ gauges together with 3-loop beta ... -
Cost Optimality of Energy Systems in Zero Emission Buildings in Early Design Phase
(Master thesis, 2013)The building sector accounts for a significant proportion of industrial countries total energy use, thus a cut in this sector has been regarded necessary to reach future climate goals. An important measure in this context ... -
Modeling of Heat Transfer in Two-Phase Flow Using the Level-Set Method
(Master thesis, 2013)The implementation of a two-phase flow model, developed at SINTEF Energy Research and relying on the level-set method, was extended through the discretization and implementation of an advection-diffusion equation for ... -
In-plane structural order of domain engineered La0.7Sr0.3MnO3 thin films
(Journal article, 2013)We present a detailed structural study of tensile-strained La0.7Sr0.3MnO3 thin films. We use the substrate miscut to control the number of rhombohedral variants in the films and study the in-plane order and structural ... -
How calcium prevents precipitation hardening in Al–Mg–Si alloys
(Journal article, 2013)We have investigated the effect on precipitate microstructure and hardness upon adding small amounts of Ca to a base Al–Mg–Si alloy. The main investigative techniques were transmission and scanning electron microscopy. We ... -
Supercontinuum generation in Mid-IR using Chalcogenide and Germanate Nonlinear Fiber
(Journal article; Peer reviewed, 2013)We demonstrate mid-infrared (mid-IR) supercontinuum generation with bandwidth from 2 to 2.8 μm at 20 dB below the peak in nonlinear step-index chalcogenide fiber using femtosecond mid-IR pulses directly from the oscillator. ... -
Chaotic regime in chirped-pulse mid-IR oscillators
(Chapter, 2013)We present experimental investigation of the chaotic mode-locking operation regime in two novel chirped-pulsed Cr:ZnS and Cr:ZnSe mid-IR lasers. The long-term stable regime is caused by the nonlinear interaction of dispersive ... -
Anisotropic plasmonic Cu nanoparticles in sol-gel oxide nanopillars studied by spectroscopic Mueller matrix ellipsometry
(Journal article; Peer reviewed, 2013)Broadened plasmon resonances of Cu nanoparticles in nanopatterned mixed oxide sol-gel nanopillars are shown to be readily detected by spectroscopic Mueller matrix ellipsometry. The plasmonic nanomaterials are obtained by ... -
Characteristics and sources of gravity waves observed in noctilucent cloud over Norway
(Journal article; Peer reviewed, 2014)Four years of noctilucent cloud (NLC) images from an automated digital camera in Trondheim and results from a ray-tracing model are used to extend the climatology of gravity waves to higher latitudes and to identify ... -
Velocity error induced by unevenly sampling wind radars
(Master thesis, 2014)Measurements of atmospheric winds in the mesosphere and lower thermosphere (MLT)region using a SKiYMET radar started in Trondheim (63.4 N, 10.4 E) in September2012. This meteor radar utilizes the ionized trail from meteors ... -
The Effects of Dzyaloshinskii-Moriya Interactions on a Heisenberg Quantum Antiferromagnet on a Kagome Lattice: A Two-Singlet Schwinger-Boson, Mean-Field Analysis
(Master thesis, 2014)This thesis uses Schwinger-boson mean-field theory in the two-singlet formulation to analyze the effect of Dzyaloshinskii-Moriya interactions on a Heisenberg quantum antiferromagnet on the kagome lattice.The frustrated ... -
Graphene mode-locked Cr: ZnS chirped-pulse oscillator
(Journal article; Peer reviewed, 2014)We report the first to our knowledge high-energy graphene mode-locked solid-state laser operating in the positive dispersion regime. Pulses with 15.5 nJ energy and 42 nm spectral bandwidth with 0.87 ps duration were obtained ... -
High Precision, Full Potential Electronic Transport Simulator: Implementation and First Results
(Master thesis, 2014)During the work with this master s thesis a number of important upgrades has been madeto the Full Band Monte Carlo program that is under development at FFI.The program is now able to simulate charge transport in Hg0.72Cd0.28Te, ...