Now showing items 1243-1262 of 2650

    • Lab-in-a-FIB 

      Mosberg, Aleksander Buseth (Doctoral theses at NTNU;2020:295, Doctoral thesis, 2020)
      The development of next-generation devices and technology requires micro- and nanoscale manipulation of complex functional material systems. The micro- to nanoscale experiments required to understand their function must ...
    • Label-free non-linear multimodal optical microscopy—basics, development, and applications 

      Mazumder, Nirmal; Balla, Naveen K.; Zhuo, Guan-Yu; Kistenev, Yury V.; Kumar, Rajesh; Kao, Fu-Jen; Brasselet, Sophie; Nikolaev, Viktor V.; Krivova, Natalya A. (Journal article; Peer reviewed, 2019)
      Non-linear optical (NLO) microscopy has proven to be a powerful tool especially for tissue imaging with sub-cellular resolution, high penetration depth, endogenous contrast specificity, pinhole-less optical sectioning ...
    • Labeling nanoparticles: Dye leakage and altered cellular uptake 

      Snipstad, Sofie; Hak, Sjoerd; Baghirov, Habib; Sulheim, Einar; Mørch, Ýrr Asbjørg; Lelu, Sylvie; von Haartman, Eva; Bäck, Marcus; Nilsson, Peter R; Klymchenko, Andrey S; Davies, Ruth Catharina de Lange; Åslund, Andreas (Journal article, 2016)
      In vitro and in vivo behavior of nanoparticles (NPs) is often studied by tracing the NPs with fluorescent dyes. This requires stable incorporation of dyes within the NPs, as dye leakage may give a wrong interpretation of ...
    • Lagrangian methods and density estimation for advection-diffusion problems 

      Rikardsen, Edel Sofie Ulvåg (Master thesis, 2021)
      Denne oppgaven undersøker numerisk transport i to dimensjoner i et periodisk dobbel-vortex strømningsfelt som presentert i Shadden et al. (2005) med konstant diffusjon, gjennom å benytte både eulerske og lagrangske metoder. ...
    • Large bandgap insulating superior clay nanosheets 

      Pacáková, Barbara; Vullum, Per Erik; Kirch, Alexsandro; Breu, Josef; Miranda, Caetano Rodrigues; Fossum, Jon Otto (Journal article; Peer reviewed, 2022)
      One can find conductive, semiconducting, and insulating single nanosheets with unique electronic properties that are tied to their two-dimensional (2D) structure. Here, we report on wide-bandgap 2D insulator nanosheets ...
    • Large-scale Monte Carlo simulations of non-Abelian gauge theories and multicomponent Superconductors 

      Bojesen, Troels Arnfred (Doktoravhandlinger ved NTNU, 1503-8181; 2014:252, Doctoral thesis, 2014)
      This thesis presents six research papers on topics in condensed-matter theory and one paper on a computational method. In two of the papers the focus is on the search for Deconfined Quantum Criticality in models describing ...
    • Laser Induced Incandescence with Long Pulse Duration 

      Hverven, Stine Myhre (Master thesis, 2013)
      Laser Induced Incandescence (LII) is a technique used to observe soot concentration and particle size in a flame. The LII signal is captured by an intensified CCD camera. Laser light impacts and heats soot particles within ...
    • Laser light deformation of microdroplets 

      Bossum, Petter Tømmerås (Master thesis, 2014)
      This masters work describes the deformation of a droplet that is illuminated by a laser beam. The theory for linear fluid mechanical motion of the droplet is discussed. This is combined with Lorenz-Mie scattering. Droplet ...
    • Laser Precautions and Initial Tests of a Pulsed Laser Based Time-Gated Spectrometer 

      Eivind Haug-Warberg (Master thesis, 2020)
      Raman-spektroskopi er en metode for å bestemme den atomære sammensetningen til et stoff. Metoden er basert på Stokes-forskyvning i stoffets emisjonsspekter som følge av overganger mellom ulike kvantemekaniske tilstander. ...
    • Laser recrystallization and inscription of compositional microstructures in crystalline SiGe-core fibres 

      Coucheron, David Andre; Fokine, Michael; Patil, Nilesh; Breiby, Dag Werner; Buset, Ole Tore; Healy, Noel; Peacock, Anna; Hawkins, Thomas A.; Jones, Maxwell; Ballato, John; Gibson, Ursula (Journal article; Peer reviewed, 2016)
      Glass fibres with silicon cores have emerged as a versatile platform for all-optical processing, sensing and microscale optoelectronic devices. Using SiGe in the core extends the accessible wavelength range and potential ...
    • Laser restructuring and photoluminescence of glass-clad GaSb/Si-core optical fibres 

      Song, Seunghan; Lønsethagen, Kristin; Laurell, Fredrik; Hawkins, Thomas A.; Ballato, John; Fokine, Michael; Gibson, Ursula (Journal article; Peer reviewed, 2019)
      Semiconductor-core optical fibres have potential applications in photonics and optoelectronics due to large nonlinear optical coefficients and an extended transparency window. Laser processing can impose large temperature ...
    • Laser structuring, stress modification and Bragg grating inscription in silicon-core glass fibers 

      Fokine, Michael; Theodosiou, Antreas; Song, Seunghan; Hawkins, Thomas A.; Ballato, John; Kalli, Kyriacos; Gibson, Ursula (Journal article; Peer reviewed, 2017)
      Semiconductor core fibers have numerous potential applications in optoelectronics and photonics, and the key to realizing these opportunities is controlled processing of the material. We present results on laser treatments ...
    • Laser-induced spatial composition gradients in SiGe core fiber 

      Wu, Wei (Doctoral theses at NTNU;2020:219, Doctoral thesis, 2020)
      An important contributor to global warming is greenhouse gas emission caused by burning fuels such as oil and coal. To preserve the environment for the whole world and to simultaneously meet growing global energy demand, ...
    • Lattice rotations in precipitate free zones in an Al-Mg-Si alloy 

      Christiansen, Emil; Marioara, Calin Daniel; Marthinsen, Knut; Hopperstad, Odd Sture; Holmestad, Randi (Journal article; Peer reviewed, 2018)
      Scanning precession electron diffraction and automated crystal orientation mapping in a transmission electron microscope (TEM) have been applied to quantitatively study the crystal orientation of precipitate free zones ...
    • Leakage and dephasing in 28Si-based exchange-only spin qubits 

      Sala, Arnau; Danon, Jeroen (Journal article; Peer reviewed, 2018)
      Exchange-only spin qubits hosted in 28Si-based triple quantum dots do not suffer from decoherence caused by randomly fluctuating nuclear-spin ensembles and can be relatively robust against electrical noise when operated ...
    • Learners’ Critical Thinking About Learning Mathematics 

      Sachdeva, Shipra; Eggen, Per-Odd (Journal article; Peer reviewed, 2021)
      Developing critical thinking practices among young learners through mathematics education is a topic of attention for mathematics education research community. Learners’ critical thinking concerning cognitive and social ...
    • Learning radiation oncology in Europe: Results of the ESTRO multidisciplinary survey 

      Bibault, Jean-Emmanuel; Franco, Pierfrancesco; van Elmpt, Wouter; Thorwarth, Daniela; Schmid, Maximilian P; Rouschop, Kasper M; Spalek, Mateusz; Mullaney, Laura; Redalen, Kathrine; Dubois, Ludwig; Verfaille, Christine; Eriksen, Jesper Grau (Journal article; Peer reviewed, 2018)
      Introduction Radiotherapy education can be very different across Europe, despite the publication of the ESTRO core curricula in 2011. The purpose of the current study is to map the different RO European education systems, ...
    • Learning to learn, bolt-on, or integrated? Analysis of student feedback from a pilot with learning to learn integrated into first-year engineering mathematics 

      Thorseth, Trond (Chapter, 2022)
      Learning to learn is one of the generic skills that are important to becoming an engineer. One outcome of the education is to be prepared for a role as an engineer with lifelong learning. In this paper, I convey experiences ...
    • Legendre-Fenchel transforms capture layering transitions in porous media 

      Galteland, Olav; Bering, Eivind; Kristiansen, Kim; Bedeaux, Dick; Kjelstrup, Signe (Peer reviewed; Journal article, 2022)
      We have investigated the state of a nanoconfined fluid in a slit pore in the canonical and isobaric ensembles. The systems were simulated with molecular dynamics simulations. The fluid has a transition to a close-packed ...
    • A Legendre–Fenchel Transform for Molecular Stretching Energies 

      Bering, Eivind; Bedeaux, Dick; Kjelstrup, Signe; de Wijn, Astrid S.; Latella, Ivan; Rubi, Miguel (Peer reviewed; Journal article, 2020)
      Single-molecular polymers can be used to analyze to what extent thermodynamics applies when the size of the system is drastically reduced. We have recently verified using molecular-dynamics simulations that isometric and ...