Institutt for fysikk: Nye registreringer

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    • Currents in AC stressed liquid insulated needle plane gap 

      Grav, Torstein; Lundgaard, Lars Esben (Chapter, 2014)
      Currents and space charge phenomena in 8 different dielectric liquids have been investigated for an ac stressed needle plane gap. Applied frequencies ranged from 0.1 Hz to 100 Hz. A high resolution analogue-digital converter ...

    • Local statistics of immiscible and incompressible two-phase flow in porous media 

      Fyhn, Hursanay; Sinha, Santanu; Hansen, Alex (Peer reviewed; Journal article, 2023)
      We consider immiscible and incompressible two-phase flow in porous media under steady-state conditions using a dynamic pore network model. We focus on the fluctuations in a Representative Elementary Area (REA), with the ...

    • Disentangling electron-boson interactions on the surface of a familiar ferromagnet 

      Røst, Håkon; Mazzola, Federico; Bakkelund, Johannes; Åsland, Anna Cecilie; Hu, Jinbang; Cooil, Simon Phillip; Polley, Craig; Wells, Justin William (Peer reviewed; Journal article, 2024)
      We report energy renormalizations from electron-phonon and electron-magnon interactions in spin minority surface resonances on Ni(111). The different interactions are identified, disentangled, and quantified from the ...

    • Shaping the Structure and Properties of TiO2-ZnO Oxide Coatings Produced by Plasma Electrolytic Oxidation on Titanium Substrate 

      Marny, Magdalena; Sowa, Maciej; Kazek-Kesik, Alicja; Rokosz, Krzysztof; Raaen, Steinar; Chapon, Patrick; Viter, Roman; Pshenychnyi, Roman; Simka, Wojciech; Michalska, Joanna (Peer reviewed; Journal article, 2023)
      The paper presents the results of preliminary research on the possibility of synthesizing ZnO-TiO2 mixed coatings by plasma electrochemical oxidation (PEO). The aim of the work was to synthesize TiO2-ZnO mixed coatings on ...

    • Design of multi-luminescent silica-based nanoparticles for the detection of liquid organic compounds 

      Delic, Asmira; Lindgren, Mikael; Psarrou, Maria; Economopoulos, Solon; Mariussen, Espen; Krivokapic, Alexander; Torsæter, Ole; Omran, Mohamed; Einarsrud, Mari-Ann (Journal article; Peer reviewed, 2024)
      Tracer testing in reservoir formations is utilised to determine residual oil saturation as part of optimum hydrocarbon production. Here, we present a novel detection method of liquid organic compounds by monodisperse SiO2 ...

    • Interfacial magnon-mediated superconductivity in twisted bilayer graphene 

      Brekke, Bjørnulf; Sudbø, Asle; Brataas, Arne (Journal article; Peer reviewed, 2024)
      The interfacial coupling between electrons and magnons in adjacent layers can mediate an attractive electron–electron interaction and induce superconductivity. We consider magic-angle twisted bilayer graphene sandwiched ...

    • Intermetallic Phase Layers in Cold Metal Transfer Aluminium-Steel Welds with an Al–Si–Mn Filler Alloy 

      Bergh, Tina; Ånes, Håkon Wiik; Aune, Ragnhild; Wenner, Sigurd; Holmestad, Randi; Ren, Xiaobo; Vullum, Per Erik (Peer reviewed; Journal article, 2023)

    • Degree of polarization of light scattered from correlated surface and bulk disorders 

      Banon, Jean-Philippe Armand; Simonsen, Ingve; Carminati, Rémi (Journal article; Peer reviewed, 2023)
      Using a single scattering theory, we derive the expression of the degree of polarization of the light scattered from a layer exhibiting both surface and volume scattering. The expression puts forward the intimate connection ...

    • Disorder-induced non-linear growth of fingers in immiscible two-phase flow in porous media 

      Sinha, Santanu; Méheust, Yves; Fyhn, Hursanay; Roy, Subhadeep; Hansen, Alex (Journal article; Peer reviewed, 2024)
      Immiscible two-phase flow in porous media produces different types of patterns depending on the capillary number Ca and viscosity ratio M. At high Ca, viscous instability of the fluid–fluid interface occurs when the displaced ...

    • Electrochemically Assisted Growth of Hopper and Tabular Calcite under Confinement 

      Dziadkowiec, Joanna; Linga, Gaute; Kalchgruber, Lukas; Kavunga, Sunil; Cheng, Hsiu-Wei; Nilsen, Ola; Campsteijn, Coen; Pokroy, Boaz; Valtiner, Markus (Peer reviewed; Journal article, 2024)
      Crystallization under confinement is commonplace in nature and offers new pathways to engineer crystals with the desired morphologies in a controlled and reproducible manner. In this work, we demonstrate the electrochemically ...

    • Scanning precession electron diffraction data analysis approaches for phase mapping of precipitates in aluminium alloys 

      Thronsen, Elisabeth; Bergh, Tina; Thorsen, Tor Inge; Christiansen, Emil; Frafjord, Jonas; Crout, Philip; Van Helvoort, Antonius Theodorus Johannes; Midgley, Paul A.; Holmestad, Randi (Peer reviewed; Journal article, 2023)
      Mapping the spatial distribution of crystal phases with nm-scale spatial resolution is an important characterisation task in studies of multi-phase materials. One popular approach is to use scanning precession electron ...

    • Toward a pulsed antihydrogen beam for WEP tests in AEgIS 

      Huck, Saiva; Auzins, Marcis; Bergmann, Benedikt; Burian, Petr; Brusa, Roberto Sennen; Camper, Antoine Yves Marie Charles; Caravita, Ruggero; Castelli, Fabrizio; Ciuryło, Roman; Consolati, Giovanni; Doser, Michael; Farricker, Aaron; Glöggler, Lisa Theresa; Graczykowski, Łukasz; Grosbart, Malgorzata; Guatieri, Francesco; Gusakova, Natali; Haider, Stefan; Janik, Malgorzata; Kasprowicz, Grzegorz; Khatri, Ghanshyambhai; Kłosowski, Łukasz; Kornakov, Georgy; Krumins, Valts; Lappo, Lidia; Linek, Adam; Malbrunot, Chloé; Mariazzi, Sebastiano; Nowak, Lilian; Nowicka, Dorota; Oswald, Emmanuel; Penasa, Luca; Petracek, Vojtech; Piwinski, Mariusz; Pospisil, Stanislav; Povolo, Luca; Prelz, Francesco; Rangwala, Sadiq; Rienäcker, Benjamin; Rodin, Volodymyr; Røhne, Ole Myren; Sandaker, Heidi; Smolyanskiy, Petr; Sowinski, Tomasz; Tefelski, Dariusz; Volponi, Marco; Welsch, Carsten; Wolz, Tim; Zawada, Michał; Zielinski, Jakub; Zimmer, Christian; Zurlo, Nicola (Peer reviewed; Journal article, 2023)
      The AEg̅IS collaboration at CERN’s AD produces antihydrogen atoms in the form of a pulsed, isotropic source with a precisely defined formation time. AEg̅IS has recently undergone major upgrades to fully benefit from the ...

    • Exploring the Intersection of Brain–Computer Interfaces and Quantum Sensing: A Review of Research Progress and Future Trends 

      Liao, Kun; Yang, Zhaochu; Dong, Tao; Zhao, Libo; Pires, Nuno Miguel Matos; Dorao, Carlos Alberto; Stokke, Bjørn Torger; Roseng, Lars Eric; Liu, Wen; Jiang, Zhuangde (Peer reviewed; Journal article, 2023)
      Brain–computer interfaces (BCIs) can revolutionize how humans interact with technology, but several scientific and technological challenges must be addressed to realize their full potential. Recent developments in quantum-based ...

    • β-(1 → 3)(1 → 6)glucan from Schizophyllum commune 227E.32: High yield production via glucose/xylose co-metabolization 

      Vanin, Ana Paula; Visentin, Esther Ziliotto; Fontana, Roselei Claudete; di Medeiros Leal, Maria Carolina Bezerra; de Avila e Silva, Scheila; Stokke, Bjørn Torger; Carbonero, Elaine Rosechrer; Camassola, Marli (Peer reviewed; Journal article, 2023)
      A co-metabolization of xylose and glucose by Schizophyllum commune 227E.32 wild mushroom for exopolysaccharide (EPS) production is presented. Cultivations performed with S. commune 227E.32 at different xylose concentrations ...

    • Detecting ALP wiggles at TeV energies 

      Kachelriess, Michael; Tjemsland, Jonas (Peer reviewed; Journal article, 2024)
      Axions and axion-like-particles (ALPs) are characterised by their two-photon coupling, which entails so-called photon-ALP oscillations as photons propagate through a magnetic field. These oscillations lead to distinctive ...

    • Adiabatic axion-photon mixing near neutron stars 

      Tjemsland, Jonas; McDonald, Jamie; Witte, Samuel J. (Peer reviewed; Journal article, 2024)

    • Evidence for egg-box-compatible interactions in calcium-alginate gels from fiber X-ray diffraction 

      Sikorski, Pawel; Mo, Frode; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger (Peer reviewed; Journal article, 2007)
      The structures of guluronic-acid-rich alginate in the acid and calcium forms were investigated using fiber X-ray diffraction. Data recorded for alginate fibers in the acid form show a repeat along the chain axis of c = ...

    • Photon-ALP oscillations at CTA energies 

      Kachelriess, Michael; Tjemsland, Jonas (Peer reviewed; Journal article, 2023)
      Axions and axion-like-particles (ALPs) are well motivated beyond the standard model particles that can explain a variety of unsolved problems in physics, such as the strong CP problem and the nature of dark matter. These ...

    • Polyethylene glycol (PEG) as a broad applicability marker for LC–MS/MS-based biodistribution analysis of nanomedicines 

      Hyldbakk, Astrid; Hansen, Terkel; Hak, Sjoerd; Borgos, Sven Even F. (Journal article; Peer reviewed, 2024)
      Polyethylene glycol (PEG) conjugation (PEGylation) is a well-established strategy to improve the pharmacokinetic and biocompatibility properties of a wide variety of nanomedicines and therapeutic peptides and proteins. ...

    • Flare Duty Cycle of Gamma-Ray Blazars and Implications for High-energy Neutrino Emission 

      Yoshida, Kenji; Petropoulou, Maria; Murase, Kohta; Oikonomou, Foteini (Journal article; Peer reviewed, 2023)