Browsing Fysisk institutt by Title

Now showing items 1393-1412 of 3682

  • Independent normalization for gamma-ray strength functions: The shape method 
    Wiedeking, Mathis; Guttormsen, Magne Sveen; Larsen, Ann-Cecilie; Zeiser, Fabio; Görgen, Andreas; Liddick, Sean N.; Mücher, Dennis; Siem, Sunniva; Spyrou, Artemis (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The shape method, a novel approach to obtain the functional form of the γ-ray strength function (γSF), is introduced. In connection with the Oslo method the slope of the nuclear level density (NLD) and γSF can be obtained ...
  • Indirect measurement of the (n,γ)127Sb cross section 
    Pogliano, Francesco; Larsen, Ann-Cecilie; Markova, Maria; Bello Garrote, Frank Leonel; Bjørøen, M.M.; Eriksen, Tomas Kvalheim; Gjestvang, Dorthea; Görgen, Andreas; Guttormsen, Magne Sveen; Li, Kevin Ching Wei; Matthews, Eric Francis; Paulsen, Wanja; Pedersen, Line Gaard; Siem, Sunniva; Storebakken, Tellef; Tornyi, Tamas Gabor; Vevik, Julian Ersland (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Nuclei in the 135I region have been identified as being a possible bottleneck for the i process. Here we present an indirect measurement for the Maxwellian-averaged cross section of 126Sb(n,γ). The nuclear level density ...
  • Inducing Biomechanical Heterogeneity in Brain Tumor Modeling by MR Elastography: Effects on Tumor Growth, Vascular Density and Delivery of Therapeutics 
    Harkos, Constantinos; Svensson, Siri Fløgstad; Emblem, Kyrre E; Stylianopoulos, Triantafyllos (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    The purpose of this study is to develop a methodology that incorporates a more accurate assessment of tissue mechanical properties compared to current mathematical modeling by use of biomechanical data from magnetic resonance ...
  • Industrial Multi-step Time Series Forecasting with Machine Learning Methods 
    Knutson, Joseph (Master thesis / Masteroppgave, 2019)
  • Inelastic scattering of neutron-rich Ni and Zn isotopes off a proton target 
    Cortés Sua, Martha Liliana; Doornenbal, P; Dupuis, M; Lenzi, SM; Nowacki, F; Obertelli, A; Péru, S; Pietralla, N; Werner, V; Wimmer, K; Authelet, G; Baba, H; Calvet, D; Chateau, F; Corsi, A; Delbart, A; Gheller, JM; Gillibert, A; Isobe, T; Lapoux, V; Louchart, C; Matsushita, M; Momiyama, S; Motobayashi, T; Niikura, M; Otsu, H; Péron, C; Peyaud, A; Pollacco, EC; Roussé, J-Y; Sakurai, H; Santamaria, C; Sasano, M; Shiga, Y; Takeuchi, S; Taniuchi, R; Uesaka, T; Wang, H; Yoneda, K; Browne, F; Chung, LX; Dombradi, Z; Franchoo, S; Giacoppo, F; Gottardo, A; Hadynska-Klek, Katarzyna; Korkulu, Z; Koyama, S; Kubota, Y; Lee, J; Lettmann, M; Lozeva, R; Matsui, K; Miyazaki, T; Nishimura, S; Olivier, L; Ota, S; Patel, Z; Sahin, Eda; Shand, CM; Söderström, PA; Stefan, I; Steppenbeck, D; Sumikama, T; Suzuki, D; Vajta, Z; Wu, J; Xu, Z (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Proton inelastic scattering of 72,74Ni and 76,80Zn ions at energies around 235 MeV/nucleon was performed at the Radioactive Isotope Beam Factory and studied using γ -ray spectroscopy. Angular integrated cross sections for ...
  • The infant bow shock: A new frontier at a weak activity comet 
    Gunell, Herbert; Goetz, Charlotte; Simon Wedlund, Cyril; Lindkvist, Jesper; Hamrin, Maria; Nilsson, Hans; Llera, Kristie; Eriksson, Anders; Holmström, Mats (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The bow shock is the first boundary the solar wind encounters as it approaches planets or comets. The Rosetta spacecraft was able to observe the formation of a bow shock by following comet 67P/Churyumov–Gerasimenko toward ...
  • Influence of a thin amorphous surface layer on de-channeling during aluminum implantation at different temperatures into 4H-SiC 
    Linnarsson, MK; Hallen, Anders; Vines, Lasse (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Ion implantation is an important technique in semiconductor processing and has become a key technology for 4H-SiC devices. Today, aluminum (Al) implantations are routinely used for p-type contacts, p+-emitters, terminations ...
  • Influence of annealing atmosphere on formation of electrically-active defects in rutile TiO2 
    Zimmermann, Christian; Bonkerud, Julie; Herklotz, Frank; Sky, Thomas Neset; Hupfer, Alexander; Monakhov, Eduard; Svensson, Bengt Gunnar; Vines, Lasse (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Electronic states in the upper part of the bandgap of reduced and/or hydrogenated n-type rutile TiO2 single crystals have been studied by means of thermal admittance and deep-level transient spectroscopy measurements. The ...
  • Influence of Carbon Cap on Self-Diffusion in Silicon Carbide 
    Bathen, Marianne Etzelmüller; Linnarsson, Margareta; Ghezellou, Mizagh; Ul Hassan, Jawad; Vines, Lasse (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Self-diffusion of carbon (12C and 13C) and silicon (28Si and 30Si) in 4H silicon carbide has been investigated by utilizing a structure containing an isotope purified 4H-28Si12C epitaxial layer grown on an n-type (0001) ...
  • Influence of Defects and H2O on the Hydrogenation of CO2 to Methanol over Pt Nanoparticles in UiO-67 Metal-Organic Framework 
    Gutterød, Emil Sebastian; Pulumati, S.H.; Kaur, Gurpreet; Lazzarini, Andrea; Solemsli, B. G.; Gunnæs, Anette Eleonora; Ahoba-Sam, Christian; Kalyva, Maria Evangelou; Sannes, Johnny Andreas; Svelle, Stian; Skúlason, Egill; Nova, Ainara; Olsbye, Unni (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    In catalysts for CO2 hydrogenation, the interface between metal nanoparticles (NPs) and the support material is of high importance for the activity and reaction selectivity. In Pt NP-containing UiO Zr-metal–organic frameworks ...
  • Influence of different types of ionospheric disturbances on GPS signals at polar latitudes 
    Belakhovsky, Vladimir Borisovich; Jin, Yaqi; Miloch, Wojciech Jacek (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract. The comparative research of the influence of different types of auroral particle precipitation and polar cap patches (PCPs) on the global positioning system (GPS) signals disturbances in the polar ionosphere was ...
  • Influence of Fermi level position on vacancy-assisted diffusion of aluminum in zinc oxide 
    Sky, Thomas Neset; Johansen, Klaus Magnus H; Venkatachalapathy, Vishnukanthan; Svensson, Bengt Gunnar; Tuomisto, Filip; Vines, Lasse (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The influence of Fermi level position and annealing ambient on the zinc vacancy VZn generation and Al diffusion is studied in monocrystalline zinc oxide (ZnO). From secondary-ion mass spectrometry and positron annihilation ...
  • Influence of heat treatments in H2 and Ar on the E1 center in β-Ga2O3 
    Langørgen, Amanda; Zimmermann, Christian; Frodason, Ymir Kalmann; Verhoeven, Espen Førdestrøm; Weiser, Philip Michael; Karsthof, Robert Michael; Basile Varley, Joel; Vines, Lasse (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    The influence of heat treating [Formula: see text]-type bulk [Formula: see text]-Ga[Formula: see text]O[Formula: see text] in hydrogen (H[Formula: see text]) and argon (Ar) gases on the presence of the defect level commonly ...
  • Influence of hydrogen implantation on emission from the silicon vacancy in 4H-SiC 
    Bathen, Marianne Etzelmüller; Galeckas, Augustinas; Coutinho, José; Vines, Lasse (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2020)
    The silicon vacancy (VSi) in 4H-SiC is a room temperature single-photon emitter with a controllable high-spin ground state and is a promising candidate for future quantum technologies. However, controlled defect formation ...
  • Influence of measurement error on Maxwell's demon 
    Sørdal, Vegard Børve; Bergli, Joakim; Galperin, Yuri (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    In any general cycle of measurement, feedback, and erasure, the measurement will reduce the entropy of the system when information about the state is obtained, while erasure, according to Landauer's principle, is accompanied ...
  • Influence of metal assisted chemical etching time period on mesoporous structure in as-cut upgraded metallurgical grade silicon for solar cell application 
    Venkatesan, Ragavendran; Mayandi, Jeyanthinath; Pearce, Joshua M.; Venkatachalapathy, Vishnukanthan (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    In this work, upgraded metallurgical grade silicon (UMG-Si) wafer was used to fabricate mesoporous nanostructures, as an effective antireflection layer for solar photovoltaic cells. The length of the vertical Si nanostructure ...
  • Influence of Mn Stoichiometry on the Structure and Thermoelectric Properties of CaMn(1+y)O(3-d) 
    Amundsen, Monika Sørum (Master thesis / Masteroppgave, 2017)
  • Influence of Oxygen Pressure on Growth of Si-Doped beta-(AlxGa1-x)(2)O-3 Thin Films on c-Sapphire Substrates by Pulsed Laser Deposition 
    Hassa, Anna; von Wenckstern, Holger; Vines, Lasse; Grundmann, M (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Ga2O3 is a deep-UV transparent semiconducting oxide being interesting for solar-blind photo detectors e.g. for flame or missile plume detection. The bandgap of about 4.9 eV can be increased by alloying with Al2O3. We have ...
  • Influence of Post Processing on Thermal Conductivity of ITO Thin Films 
    Kaźmierczak-Bałata, Anna; Bodzenta, Jerzy; Dehbashi, Mohsen; Mayandi, Jeyanthinath; Venkatachalapathy, Vishnukanthan (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    This work presents the influence of post processing on morphology, thermal and electrical properties of indium tin oxide (ITO) thin films annealed at 400 °C in different atmospheres. The commercially available 170 nm thick ...
  • Influence of Spatial and Dynamical Anisotropies on Flow and Femtoscopy Radii in Relativistic Heavy-Ion Collisions at LHC Energies 
    Zabrodin, Evgeny; Bravina, Larissa; Lokhtin, Igor; Malinina, Liudmila; Petrushanko, Sergei; Snigirev, Alexandr (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    We study the influence of spatial and dynamical anisotropies in relativistic heavy-ion collisions on the differential elliptic and triangular flows of charged hadrons and, simultaneously, on the second- and third-order ...