Browsing Det matematisk-naturvitenskapelige fakultet by Title

Now showing items 515-534 of 838

  • Ni-doped A-site excess SrTiO3 thin films modified with Au nanoparticles by a thermodynamically-driven restructuring for plasmonic activity 
    Both, Kevin Gregor; Reinertsen, Vilde Mari; Aarholt, Thomas; Jensen, Ingvild Julie Thue; Neagu, Dragos; Prytz, Øystein; Norby, Truls; Chatzitakis, Athanasios (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Plasmonically active nanoparticles offer a promising pathway to extend the absorption range of photocatalysts. While not necessarily catalytically active themselves, these particles allow the absorption of lower energy ...
  • Nickel Oxide–Based Heterostructures with Large Band Offsets 
    Karsthof, Robert Michael; von Wenckstern, Holger; Zuniga-Perez, Jesus; Deparis, Christiane; Grundmann, Marius (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The authors present research on the electronic transport in heterostructures based on p-type nickel oxide (NiO) with the n-type oxide semiconductors zinc oxide (ZnO) and cadmium oxide (CdO). NiO is a desirable candidate ...
  • Nitrogen-Doped Cu2O Thin Films for Photovoltaic Applications 
    Nordseth, Ørnulf; Kumar, Raj; Bergum, Kristin; Chilibon, Irinela; Foss, Sean Erik; Monakhov, Edouard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Cuprous oxide (Cu2O) is a p-type semiconductor with high optical absorption and a direct bandgap of about 2.1 eV, making it an attractive material for photovoltaic applications. For a high-performance photovoltaic device, ...
  • No difference in penetrance between truncating and missense/aberrant splicing pathogenic variants in mlh1 and msh2: A prospective lynch syndrome database study 
    Dominguez-Valentin, Mev; Plazzer, John-Paul; Sampson, Julian R.; Engel, Christoph; Aretz, Stefan; Jenkins, Mark A.; Sunde, Lone; Bernstein, Inge; Capella, Gabriel; Balaguer, Francesc; Macrae, Finlay; Winship, Ingrid M.; Thomas, Huw; Evans, Dafydd Gareth; Burn, John; Greenblatt, Marc; de Vos tot Nederveen Cappel, Wouter H.; Sijmons, Rolf H.; Nielsen, Maartje; Bertario, Lucio; Bonanni, Bernardo; Tibiletti, Maria Grazia; Cavestro, Giulia Martina; Lindblom, Annika; Della Valle, Adriana; Lopez-Kostner, Francisco; Alvarez, Karin; Gluck, Nathan; Katz, Lior; Heinimann, Karl; Vaccaro, Carlos Alberto; Nakken, Sigve; Hovig, Eivind; Green, Kate; Lalloo, Fiona; Hill, James; Vasen, Hans F. A.; Perne, Claudia; Büttner, Reinhard; Görgens, Heike; Holinski-Feder, Elke; Morak, Monika; Holzapfel, Stefanie; Hüneburg, Robert; Doeberitz, Magnus von Knebel; Loeffler, Markus; Rahner, Nils; Weitz, Jürgen; Steinke-Lange, Verena; Schmiegel, Wolff; Vangala, Deepak; Crosbie, Emma J.; Pineda, Marta; Navarro, Matilde; Brunet, Joan; Moreira, Leticia; Sánchez, Ariadna; Serra-Burriel, Miquel; Mints, Miriam; Kariv, Revital; Rosner, Guy; Piñero, Tamara A.; Pavicic, Walter Hernán; Kalfayan, Pablo; Ten Broeke, Sanne W.; Mecklin, Jukka-Pekka; Pylvänäinen, Kirsi; Renkonen-Sinisalo, Laura; Lepistö, Anna; Peltomäki, Päivi; Hopper, John L.; Win, Aung Ko; Buchanan, Daniel D.; Lindor, Noralane M.; Gallinger, Steven; Le Marchand, Loic; Newcomb, Polly A.; Figueiredo, Jane C.; Thibodeau, Stephen N.; Therkildsen, Christina; Hansen, Thomas V.O.; Lindberg, Lars; Rødland, Einar Andreas; Neffa, Florencia; Esperon, Patricia; Tjandra, Douglas; Möslein, Gabriela; Seppälä, Toni T.; Møller, Pål (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background. Lynch syndrome is the most common genetic predisposition for hereditary cancer. Carriers of pathogenic changes in mismatch repair (MMR) genes have an increased risk of developing colorectal (CRC), endometrial, ...
  • Noble gas as a functional dopant in ZnO 
    Malyi, Oleksandr; Sopiha, Kostiantyn; Persson, Clas (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Owing to fully occupied orbitals, noble gases are considered to be chemically inert and to have limited effect on materials properties under standard conditions. However, using first-principles calculations, we demonstrate ...
  • Non-collinear magnetic structures in the magnetoelectric Swedenborgite CaBaFe4O7 derived by powder and single-crystal neutron diffraction 
    Qureshi, Navid; Ouladdiaf, Bachir; Senyshyn, Anatoliy; Caignaert, Vincent; Valldor, Björn Martin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    We have investigated the magnetic structures of the Swedenborgite compound CaBaFe4O7 using magnetic susceptibility and neutron diffraction experiments on powder and single-crystal samples. Below TN1 = 274 K the system ...
  • Novel adverse outcome pathways revealed by chemical genetics in a developing marine fish 
    Sørhus, Elin; Incardona, John P.; Furmanek, Tomasz; Goetz, Giles W.; Scholz, Nathaniel; Meier, Sonnich; Edvardsen, Rolf; Jentoft, Sissel (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Crude oil spills are a worldwide ocean conservation threat. Fish are particularly vulnerable to the oiling of spawning habitats, and crude oil causes severe abnormalities in embryos and larvae. However, the underlying ...
  • Nucleation in confinement generates long-range repulsion between rough calcite surfaces 
    Dziadkowiec, Joanna; Zareeipolgardani, Bahareh; Dysthe, Dag Kristian; Røyne, Anja (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Fluid-induced alteration of rocks and mineral-based materials often starts at confined mineral interfaces where nm-thick water films can persist even at high overburden pressures and at low vapor pressures. These films ...
  • Nucleation of Brushite and Hydroxyapatite from Amorphous Calcium Phosphate Phases Revealed by Dynamic in Situ Raman Spectroscopy 
    Montes-Hernandez, German; Renard, Francois (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
    Since the 1970s, it has been shown that calcium phosphate crystals nucleate from one or several early amorphous calcium phosphate phases into several in vivo and in vitro systems. However, the precise chemical composition, ...
  • Numerical modeling of the dynamics of the Mer de Glace glacier, French Alps: comparison with past observations and forecasting of near-future evolution 
    Peyaud, Vincent; Bouchayer, Coline Lili Mathy; Gagliardini, Olivier; Vincent, Christian; Gillet-Chaulet, Fabien; Six, Delphine; Laarman, Olivier (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Alpine glaciers are shrinking and rapidly loosing mass in a warming climate. Glacier modeling is required to assess the future consequences of these retreats on water resources, the hydropower industry and risk management. ...
  • On complex dynamics in a Purkinje and a ventricular cardiac cell model 
    Erhardt, André Henrik; Solem, Susanne (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Cardiac muscle cells can exhibit complex patterns including irregular behaviour such as chaos or (chaotic) early afterdepolarisations (EADs), which can lead to sudden cardiac death. Suitable mathematical models and their ...
  • On the conversion of CO2 to value added products over composite PdZn and H-ZSM-5 catalysts: excess Zn over Pd, a compromise or a penalty? 
    Ahoba-Sam, Christian; Borfecchia, Elisa; Lazzarini, Andrea; Bugaev, Aram L.; Isah, Abdulrahman Adamu; Taoufik, Mostafa; Bordiga, Silvia; Olsbye, Unni (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    A challenge in converting CO2 into hydrocarbons (HC) via methanol (MeOH) is the gap between the optimal temperature for each step (i.e. ≤250 °C for MeOH and ≥350 °C for HC). The focus of this study is to elucidate the cause ...
  • On the development of a new prototype PTR-ToF-MS instrument and its application to the detection of atmospheric amines 
    Håland, Alexander; Mikoviny, Tomas; Syse, Elisabeth Emilie; Wisthaler, Armin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    We herein report on the development of a new prototype PTR-ToF-MS (proton-transfer-reaction time-of-flight mass spectrometry) instrument that combines a hollow cathode glow discharge (HCGD) ion source with a focusing ...
  • On the high-temperature oxidation of ZnSb for thermoelectric applications 
    Madathil, Reshma; Thoreton, Vincent; Prytz, Øystein; Norby, Truls Eivind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Thermoelectric ZnSb has a native surface oxide layer of Sb2O5 +ZnO, while HT oxidation in air resulted in selective oxidation to ZnO, with no detectable Sb by STEM-EDS. The ZnO consisted of an inner nano-granular and a ...
  • On the interplay of point defects and Cd in non-polar ZnCdO films 
    Zubiaga, A.; Reurings, F.; Tuomisto, F; Plazaola, F.; Garcia, J.A.; Kuznetsov, Andrej; Egger, W.; Zuniga-Perez, J.; Munoz-Sanjose, V. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    Non-polar ZnCdO films, grown over m- and r-sapphire with a Cd concentration ranging between 0.8% and 5%, have been studied by means of slow positron annihilation spectroscopy (PAS) combined with chemical depth profiling ...
  • On the permittivity of titanium dioxide 
    Bonkerud, Julie; Zimmermann, Christian; Weiser, Philip Michael; Vines, Lasse; Monakhov, Eduard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract Conductive rutile TiO 2 has received considerable attention recently due to multiple applications. However, the permittivity in conductive, reduced or doped TiO 2 appears to cause controversy with reported values ...
  • On the possible nature of deep centers in Ga2O3 
    Polyakov, A.Y.; Kochkova, A.I.; Langørgen, Amanda; Vines, Lasse; Vasilev, A.; Shchemerov, I.V.; Romanov, A.A.; Pearton, S.J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    The electric field dependence of emission rate of the deep traps with level near Ec−0.6 eV, so-called E1 traps, was studied by means of deep level transient spectroscopy measurements over a wide range of applied voltages. ...
  • On the scale dependence in the dynamics of frictional rupture: Constant fracture energy versus size-dependent breakdown work 
    Paglialunga, Federica; Passelègue, François X.; Brantut, Nicolas; Barras, Fabian; Lebihain, Mathias; Violay, Marie (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Potential energy stored during the inter-seismic period by tectonic loading around faults is released during earthquakes as radiated energy, frictional dissipation and fracture energy. The latter is of first importance ...
  • One-pot synthesis of cobalt-rhenium nanoparticles taking the unusual beta-Mn type structure 
    Zacharaki, Eirini; Bremmer, Marien G.; Vajeeston, Ponniah; Kalyva, Maria Evangelou; Fjellvåg, Helmer; Kooyman, Patricia J.; Sjåstad, Anja Olafsen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Using a facile one-pot colloidal method, it is now possible to obtain monodisperse Co1−xRex nanoparticles (NPs), with excellent control of Re stoichiometry for x < 0.15. Re-incorporation in terms of a solid solution ...
  • Onset of turbulence in channel flows with scale-invariant roughness 
    Linga, Gaute; Angheluta, Luiza; Mathiesen, Joachim (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Using 3D direct numerical simulations of the Navier–Stokes equations, we study the effect of a self-affine wall roughness on the onset of turbulence in channel flow. We quantify the dependence of the turbulent intensity ...