Browsing Det matematisk-naturvitenskapelige fakultet by Title

Now showing items 196-215 of 838

  • 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 ...
  • Dynamic in situ three-dimensional imaging and digital volume correlation analysis quantify strain localization and fracture coalescence in sandstone 
    Renard, Francois; McBeck, Jessica Ann; Cordonnier, Benoit; Zheng, Xiaojiao; Kandula, Neelima; Sanchez, Jesus Rodriguez; Kobchenko, Maya; Noiriel, Catherine; Zhu, Wenlu; Meakin, Paul; Fusseis, Florian; Dysthe, Dag Kristian (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Advances in triaxial compression deformation apparatus design, dynamic X-ray microtomography imaging, data analysis techniques, and digital volume correlation analysis provide unparalleled access to the in situ four-dimensional ...
  • Dynamic pressure variations in the lower crust caused by localized fluid-induced weakening 
    Moulas, Evangelos; Kaus, Boris; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract Metamorphism of dry, lower crust within orogens is often localized in shear zones composed of mechanically weaker rocks 1–4 . Several field-based studies suggest shear zone development is preceded by brittle faults ...
  • Dynamics of a giant slow landslide complex along the coast of the Aral Sea, Central Asia* 
    Aslan, Gökhan; De Michele, Marcello; Raucoules, Daniel; Renard, Francois; Dehls, John F.; Penna, Ivanna Marina; Hermanns, Reginald Leonhard Manfred; Çakir, Ziyadin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    We report here a slow-moving landslide complex of the lateral spreading type revealed by Sentinel-1 interferometric timeseries analysis. Located along the western coast of the Aral Sea, with a >150-km length and 3-km width, ...
  • Dynamics of Interlayer Na-Ions in Ga-Substituted Na2Zn2TeO6 (NZTO) Studied by Variable-Temperature Solid-State 23Na NMR Spectroscopy and DFT Modeling 
    Hempel, Frida Sveen; Martineau-Corcos, Charlotte; Bianchini, Federico; Fjellvåg, Helmer; Arstad, Bjørnar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Local Na-coordination and dynamics of Na2–xZn2–xGaxTeO6; x = 0.00 (NZTO), 0.05, 0.10, 0.15, 0.20, were studied by variable-temperature, 23Na NMR methods and DFT AIMD simulations. Structure and dynamics were probed by NMR ...
  • Dynamics of microscale precursors during brittle compressive failure in Carrara marble 
    Kandula, Neelima; Cordonnier, Benoit; Boller, Elodie; Weiss, Jérôme; Dysthe, Dag Kristian; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Microscale heterogeneities influence failure mechanisms in the crust. To track the microstructural changes in rock samples when loaded until failure, we employed a novel experimental technique that couples dynamic X‐ray ...
  • Dysregulation of MITF Leads to Transformation in MC1R-Defective Melanocytes 
    Lavelle, Timothy J; Alver, Tine Norman; Heintz, Karen Marie; Wernhoff, Patrik; Nygaard, Vegard; Nakken, Sigve; Øy, Geir Frode; Bøe, Sigurd; Urbanucci, Alfonso; Hovig, Eivind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The MC1R/cAMP/MITF pathway is a key determinant for growth, differentiation, and survival of melanocytes and melanoma. MITF-M is the melanocyte-specific isoform of Microphthalmia-associated Transcription Factor (MITF) in ...
  • Earthquake nucleation in the lower crust by local stress amplification 
    Campbell, Lucy; Menegon, Luca; Pennacchioni, Giorgio; Fagereng, Åke (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Deep intracontinental earthquakes are poorly understood, despite their potential to cause significant destruction. Although lower crustal strength is currently a topic of debate, dry lower continental crust may be strong ...
  • Effect of electron doping on the crystal structure and physical properties of an n = 3 Ruddlesden-Popper compound La4Ni3O10 
    Periyasamy, Manimuthu; Patra, Lokanath; Fjellvåg, Øystein; Ravindran, Ponniah; Sørby, Magnus Helgerud; Kumar, Susmit; Sjåstad, Anja Olafsen; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The physical properties of La4Ni3O10 with a two-dimensional (2D)-like Ruddlesden–Popper-type crystal structure are extraordinarily dependent on temperature and chemical substitution. By introducing Al3+ atoms randomly at ...
  • Effect of Nitrogen Doping on the Performance of Mesoporous CMK-8 Carbon Anodes for Li-Ion Batteries 
    Calcagno, G.; Agostini, M.; Xiong, S.; Matic, A.; Palmqvist, A. E. C.; Cavallo, Carmen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Designing carbonaceous materials with heightened attention to the structural properties such as porosity, and to the functionalization of the surface, is a growing topic in the lithium-ion batteries (LIBs) field. Using a ...
  • Effect of Subcycle Arrangement on Direct Epitaxy in ALD of LaNiO3 
    Sønsteby, Henrik Hovde; Skaar, Erik; Fjellvåg, Helmer; Nilsen, Ola (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Monolithic device integration of crystalline complex oxide thin films can open for smarter and more sustainable devices in electronics and energy technology. However, the facile integration of such compounds has so far ...