Browsing Det matematisk-naturvitenskapelige fakultet by Title

Now showing items 186-205 of 838

  • Dissolution phase diagram in radial geometry 
    Xu, Le; Szymczak, Piotr; Toussaint, Renaud; Flekkøy, Eirik Grude; Måløy, Knut Jørgen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Fractures play an important role as flow paths in porous media. When an undersaturated reactive fluid is flowing in a fracture, the dissolution process will alter the flow paths locally. Dissolution patterns grow slowly, ...
  • Dissolution rate variability at carbonate surfaces: 4D X-ray micro-tomography and stochastic modeling investigations 
    Guren, Marthe Grønlie; Renard, Francois; Noiriel, Catherine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We provide a detailed 3D characterization of the geometry evolution and dissolution rate mapping at the surface of four carbonate samples, namely a calcite spar crystal, two limestone rock fragments, and an aragonite ooid, ...
  • Distinguishing space groups by electron channelling: centrosymmetric full-Heusler or non-centrosymmetric half-Heusler? 
    Hansen, Vidar; Kosinskiy, Andrey; Taftø, Johan (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    X-ray emission under electron-channelling conditions is used to distinguish between a non-centrosymmetric half-Heusler and a centrosymmetric full-Heusler crystal. For TiCo 1.5+ xSn the space-group determination based on a ...
  • Disturbance-based management of ecosystem services and disservices in partial nitritation-anammox biofilms 
    Suarez, Carolina; Sedlacek, Christopher J.; Gustavsson, David J. I.; Eiler, Alexander; Modin, Oskar; Hermansson, Malte; Persson, Frank (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract The resistance and resilience provided by functional redundancy, a common feature of microbial communities, is not always advantageous. An example is nitrite oxidation in partial nitritation-anammox (PNA) reactors ...
  • DNA copy number motifs are strong and independent predictors of survival in breast cancer 
    Pladsen, Arne Valebjørg; Nilsen, Gro; Rueda, Oscar M.; Aure, Miriam Ragle; Borgan, Ørnulf; Liestøl, Knut; Vitelli, Valeria; Frigessi Di Rattalma, Arnoldo; Langerød, Anita; Mathelier, Anthony; Engebråten, Olav; Kristensen, Vessela N.; Wedge, David C.; Van Loo, Peter; Caldas, Carlos; Børresen-Dale, Anne-Lise; Russnes, Hege Elisabeth Giercksky; Lingjærde, Ole Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Somatic copy number alterations are a frequent sign of genome instability in cancer. A precise characterization of the genome architecture would reveal underlying instability mechanisms and provide an instrument for outcome ...
  • Do DOM quality and origin affect the uptake and accumulation of lipid-soluble contaminants in coastal filter feeders? An experimental simulation of teflubenzuron exposure to blue mussels 
    Schultze, Sabrina; Andersen, Tom; Knudtzon, Nina Cathrine; Ruus, Anders; Rundberget, Jan Thomas; Brooks, Steven; Poste, Amanda Elizabeth; Hessen, Dag Olav; Borgå, Katrine (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    The increased export of terrestrial dissolved organic matter (terrDOM) to coastal marine ecosystems may affect local filter feeders and the local food web via the altered uptake of organic material and associated contaminants. ...
  • Dominant acceptors in Li doped, magnetron deposited Cu2O films 
    Nyborg, Martin; Karlsen, Kjetil; Bergum, Kristin; Monakhov, Eduard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Cu 2 O films deposited by reactive magnetron sputtering with varying Li concentrations have been investigated by a combination of temperature-dependent Hall effect measurement and thermal admittance spectroscopy. As measured ...
  • Dominant defects and carrier transport in single crystalline cuprous oxide: A new attribution of optical transitions 
    Nyborg, Martin; Kolevatov, Ilia; Vasquez, Geraldo Cristian; Bergum, K.; Monakhov, E. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Electronic properties of single crystal (111) Cu2O wafers have been investigated using a number of complementary techniques. Secondary ion mass spectrometry has shown significant presence of hydrogen and nitrogen. ...
  • Dominating migration barrier for intrinsic defects in gallium oxide: Dose-rate effect measurements 
    Azarov, Alexander; Venkatachalapathy, Vishnukanthan; Monakhov, Eduard; Kuznetsov, Andrej (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    Ion bombardment provides an opportunity to study basic properties of intrinsic defects in materials since the radiation-induced disorder accumulation depends on the balance between defect generation and migration rates. ...
  • Donors and polaronic absorption in rutile TiO2 single crystals 
    Weiser, Philip Michael; Zimmermann, Christian; Bonkerud, Julie; Vines, Lasse; Monakhov, Eduard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    We have used a combination of optical absorption and electrical conductivity measurements to study the effect of the main donor on small polarons in rutile TiO2 single crystals rendered n-type conductive by hydrogenation ...
  • Double Perovskite Cobaltites Integrated in a Monolithic and Noble Metal-Free Photoelectrochemical Device for Efficient Water Splitting 
    Zhu, Junjie; Guðjónsdóttir, Jónína; Strandbakke, Ragnar; Both, Kevin Gregor; Aarholt, Thomas; Almeida Carvalho, Patricia; Sørby, Magnus Helgerud; Jensen, Ingvild Julie Thue; Guzik, Matylda N.; Norby, Truls Eivind; Haug, Halvard; Chatzitakis, Athanasios Eleftherios (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Water photoelectrolysis has the potential to produce renewable hydrogen fuel, therefore addressing the intermittent nature of sunlight. Herein, a monolithic, photovoltaic (PV)-assisted water electrolysis device of minimal ...
  • Drainage explains soil liquefaction beyond the earthquake near-field 
    Ben-Zeev, Shahar; Goren, Liran; Toussaint, Renaud; Aharonov, Einat (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Earthquake-induced soil-liquefaction is a devastating phenomenon associated with loss of soil rigidity due to seismic shaking, resulting in catastrophic liquid-like soil deformation. Traditionally, liquefaction ...
  • Drivers and variability of CO2:O2 saturation along a gradient from boreal to Arctic lakes 
    Allesson, Lina; Valiente, Nicolas; Dörsch, Peter; Andersen, Tom; Eiler, Alexander; Hessen, Dag Olav (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract Lakes are significant players for the global climate since they sequester terrestrially derived dissolved organic carbon (DOC), and emit greenhouse gases like CO 2 to the atmosphere. However, the differences in ...
  • Drivers of change in China’s energy-related CO2 emissions 
    Zheng, Xiaoqi; Lu, Yonglong; Yuan, Jingjing; Baninla, Yvette; Zhang, Yvette; Stenseth, Nils Christian; Hessen, Dag Olav; Tian, Hanqin; Obersteiner, Michael; Chen, Deliang (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    2emissions are of global concern because of climate change. China has become the largest CO2emitter in the world and presently accounts for 30% of global emissions. Here, we analyze the major drivers of energy-related ...
  • Dual configuration of shallow acceptor levels in 4H-SiC 
    Bathen, Marianne Etzelmüller; Kumar, Piyush; Ghezellou, Misagh; Belanche, Manuel; Vines, Lasse; Ul-Hassan, Jawad; Grossner, Ulrike (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2024)
    Acceptor dopants in 4H-SiC exhibit energy levels that are located deeper in the band gap than the thermal energy at room temperature (RT), resulting in incomplete ionization at RT. Therefore, a comprehensive understanding ...
  • Durable and dynamic hTERT immune responses following vaccination with the long-peptide cancer vaccine UV1: Long-Term follow-up of three phase i clinical trials 
    Ellingsen, Espen Basmo; Aamdal, Elin; Guren, Tormod Kyrre; Lilleby, Wolfgang; Brunsvig, Paal Fr.; Mangsbo, Sara M; Aamdal, Steinar; Hovig, Eivind; Mensali, Nadia; Gaudernack, Gustav; Inderberg, Else Marit (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Background Therapeutic cancer vaccines represent a promising approach to improve clinical outcomes with immune checkpoint inhibition. UV1 is a second generation telomerase-targeting therapeutic cancer vaccine being ...
  • Dynamic earthquake rupture in the lower crust 
    Petley-Ragan, Arianne Juliette; Ben-Zion, Yehuda; Austrheim, Håkon Olaf; Ildefonse, Benoit; Renard, Francois; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Earthquakes in the continental crust commonly occur in the upper 15 to 20 km. Recent studies demonstrate that earthquakes also occur in the lower crust of collision zones and play a key role in metamorphic processes that ...
  • Dynamic Evolution of Porosity in Lower-Crustal Faults During the Earthquake Cycle 
    Michalchuk, Stephen Paul; Zertani, Sascha; Renard, Francois; Fusseis, Florian; Chogani, Alireza; Plümper, Oliver; Menegon, Luca (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Earthquake‐induced fracturing of the dry and strong lower crust can transiently increase permeability for fluids to flow and trigger metamorphic and rheological transformations. However, little is known about the ...
  • Dynamic Fluid Connectivity Controls Solute Dispersion in Multiphase Porous Media Flow 
    Mathiesen, Joachim; Linga, Gaute; Misztal, Marek; Renard, Francois; Le Borgne, Tanguy (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Solute transport in multiphase flow through porous media plays a central role in many natural systems and geoengineering applications. The interplay between fluid flow and capillary forces leads to transient flow ...
  • Dynamic Impurity Redistributions in Kesterite Absorbers 
    Grini, Sigbjørn; Aboulfadl, Hisham; Ross, Nils; Persson, Clas; Platzer-Björkman, Charlotte; Thuvander, Mattias; Vines, Lasse (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Cu2ZnSn(S,Se)4 is a promising nontoxic earth‐abundant solar cell absorber. To optimize the thin films for solar cell device performance, postdeposition treatments at temperatures below the crystallization temperature are ...