Blar i Institutt for fysikk på tittel
Viser treff 1967-1986 av 2698
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Red versus blue light illumination in hexyl 5-aminolevulinate photodynamic therapy: the influence of light color and irradiance on the treatment outcome in vitro
(Journal article; Peer reviewed, 2014)Abstract. Hexyl 5-aminolevulinate (HAL) is a lipophilic derivative of 5-aminolevulinate, a key intermediate in biosynthesis of the photosensitizer protoporphyrin IX (PpIX). The photodynamic efficacy and cell death mode ... -
Reference shape effects on Fourier transform holography
(Journal article; Peer reviewed, 2022) -
Refinement of the ζ-factor Method for Quantitative Energy-Dispersive X-ray Spectroscopy in Scanning Transmission Electron Microscopy
(Master thesis, 2016)The ζ-factor method for quantitative energy-dispersive X-ray spectroscopy (EDS) has been implemented using the open source Python-based HyperSpy library. The ζ-factors for Ga, As, Al, C and Sb have been determined ... -
Reflection of diffuse light from two-dimensional rough surfaces & The light scattering properties of Gaussian-cosine correlated surfaces
(Master thesis, 2021)I denne oppgaven studeres reflektansen til 2D tilfeldig rue overflater opplyst av diffust lys, sammen med sprednings- og de polarimetriske egenskaper til Gaussisk-cosinus korrelerte overflater, gjennom resultater oppnådd ... -
Reheating constraints on modified single-field natural inflation models
(Peer reviewed; Journal article, 2022)In this paper, we discuss three modified singlefield natural inflation models in detail, including Special generalized natural inflation model (SNI), extended natural inflation model (ENI) and natural inflation inspired ... -
Relationship between Al-Ni intermetallic Phases and Bond Strength in Roll Bonded Steel-Aluminum Composites with Nickel Interlayers
(Journal article; Peer reviewed, 2019)In this work, the interface characteristics and resulting bond strength were investigated for roll bonded steel-aluminum composites with nickel interlayers, both after rolling and after post-rolling heat treatments at 400 ... -
Relativistic Fermions in Graphene
(Master thesis, 2012)The Fermi surface of graphene contains points where the connection between excitation energy and crystal momentum is linear, similar to massless or ultrarelativistic fermions. This is important for the physical properties ... -
Relaxation process of Yukawa glassy system
(Master thesis, 2022)Relaksasjonsprosessen til et glass-system er av høy interesse i mange industrier, blant annet farmasi, kosmetikk, mat og bygge bransjen. Når et glass formes øker som regel viskositeten og dynamikken til systemet blir mye ... -
ReleQuant - improving teaching and learning in quantum physics through educational design research
(Journal article; Peer reviewed, 2015)Quantum physics and relativity are demanding for teachers and students, but have the potential for students to experience physics as fascinating and meaningful. Project ReleQuant engaged in educational design research to ... -
Reliability of resting-state functional connectivity in the human spinal cord: Assessing the impact of distinct noise sources
(Peer reviewed; Journal article, 2023)The investigation of spontaneous fluctuations of the blood-oxygen-level-dependent (BOLD) signal has recently been extended from the brain to the spinal cord, where it has stimulated interest from a clinical perspective. A ... -
The reliability of wind power in the Longyearbyen area
(Research report, 2021)Within this decade the current energy system in Longyearbyen has to be revolutionised. Right now, it relies entirely on fossil fuels, but in the future it is envisioned to be a front-runner of renewable systems in the ... -
Renewable CO2 recycling and synthetic fuel production in a marine environment
(Peer reviewed; Journal article, 2019)Humankind must cease CO2 emissions from fossil fuel burning if dangerous climate change is to be avoided. However, liquid carbon-based energy carriers are often without practical alternatives for vital mobility applications. ... -
Renormalised Intrinsic and Extrinsic Impurity Induced Spin-orbit Scattering in Graphene
(Master thesis, 2012)We study the effect of an impurity potential on spin-memory loss in graphene. Various general methods for finding the spin-orbit related effect of a slowly varying impurity potential on a semiconductor have been examined. ... -
Replacement of Ensemble Averaging by the Use of a Broadband Source in Scattering of Light from a One-Dimensional Randomly Rough Interface between Two Dielectric Media
(Journal article; Peer reviewed, 2018)By the use of phase perturbation theory we show that if a single realization of a one-dimensional randomly rough interface between two dielectric media is illuminated at normal incidence from either medium by a broadband ... -
Research and development in ocean-wave energy in Norway
(Chapter, 1993) -
Residual strain in free-standing CdTe nanowires overgrown with HgTe
(Journal article; Peer reviewed, 2019)We investigate the crystal properties of CdTe nanowires overgrown with HgTe. Scanning electron microscopy and scanning transmission electron microscopy confirm that the growth results in a high ensemble uniformity and that ... -
Residual stress measurements in offshore wind monopile weldments using neutron diffraction technique and contour method
(Journal article; Peer reviewed, 2018)Reliable assessment of the fatigue life of offshore wind monopiles operating in harsh offshore environments relies on quantifying the level of residual stresses locked-in at circumferential weld regions. This study presents, ... -
Resolved gravity waves in a high-resolution model
(Master thesis, 2022)Denne avhandlingen undersøker interaksjonen mellom planetære bølger og gravitasjonsbølger i en høyoppløst atmosfære modell. Luftstrømning over fjellterreng på jordens overflate kan skape gravitasjonsbølger. Amplituden ... -
Resonant Ultrasonic System Design, and Measurements of Critical Behaviour and Flux-Line Elasticity in High Temperature Superconductors
(Dr. ingeniøravhandling, 0809-103X; 2000:82, Doctoral thesis, 2001) -
Responsive Hydrogels for Label-Free Signal Transduction within Biosensors
(Journal article; Peer reviewed, 2010)Hydrogels have found wide application in biosensors due to their versatile nature. This family of materials is applied in biosensing either to increase the loading capacity compared to two-dimensional surfaces, or to support ...