Nye registreringer

  • Measuring particle concentration of multimodal synthetic reference materials and extracellular vesicles with orthogonal techniques: Who is up to the challenge? 

    Vogel, Robert; Savage, John; Muzard, Julien; Camera, Giacomo Della; Vella, Gabriele; Law, Alice; Marchioni, Marianne; Mehn, Dora; Geiss, Otmar; Peacock, Ben; Aubert, Dimitri; Calzolai, Luigi; Caputo, Fanny; Prina-Mello, Adriele (Peer reviewed; Journal article, 2021)
    The measurement of physicochemical properties of polydisperse complex biological samples, for example, extracellular vesicles, is critical to assess their quality, for example, resulting from their production and isolation ...
  • Limitations of Ultrathin Al2O3 Coatings on LNMO Cathodes 

    Østli, Elise Ramleth; Tesfamhret, Yonas; Wenner, Sigurd; Lacey, Matthew J.; Brandell, Daniel; Svensson, Ann Mari; Selbach, Sverre Magnus; Wagner, Nils P. (Peer reviewed; Journal article, 2021)
    This study demonstrates the application of Al2O3 coatings for the high-voltage cathode material LiNi0.5–xMn1.5+xO4−δ (LNMO) by atomic layer deposition. The ultrathin and uniform coatings (0.6–1.7 nm) were deposited on LNMO ...
  • Modelling capacity fade in silicon-graphite composite electrodes for lithium-ion batteries 

    Dhillon, Shweta; Hernández, Guiomar; Wagner, Nils Peter; Svensson, Ann Mari; Brandell, Daniel (Peer reviewed; Journal article, 2021)
    Silicon-based composite electrodes in lithium ion batteries attract increasing attention because of their high theoretical capacity. Here, numerical simulations are used to better understand the interplay between electrochemical ...
  • The Effect of Pull Speed and Heat Treatment on Thermal Donors in Czhocralski Silicon 

    Olsen, Espen; Mehl, Torbjørn; Stalheim, Helene Eikaas; Juel, Mari; Søndenå, Rune; Burud, Ingunn (Peer reviewed; Journal article, 2021)
  • Sn-Aided Joining of Cast Aluminum and Steel Through a Compound Casting Process 

    Bakke, Aina Opsal; Nordmark, Arne; Arnberg, Lars; Li, Yanjun (Peer reviewed; Journal article, 2021)
    Obtaining a strong bond between aluminum and steel is challenging due to poor wettability between aluminum melt and steel and brittle intermetallic phases forming in the interface. In this research, a novel coating method, ...
  • Wire arc additive manufacturing of AA5183 with TiC nanoparticles 

    Langelandsvik, Geir; Eriksson, Magnus; Akselsen, Odd M.; Roven, Hans Jørgen (Peer reviewed; Journal article, 2021)
    Aluminium alloys processed by wire arc additive manufacturing (WAAM) exhibit a relatively coarse microstructure with a columnar morphology. A powerful measure to refine the microstructure and to enhance mechanical properties ...
  • Highly Stretchable and Transparent Ionic Conductor with Novel Hydrophobicity and Extreme-Temperature Tolerance 

    Shi, Lei; Jia, Kun; Gao, Yiyang; Yang, Hua; Ma, Yaming; Lu, Shiyao; Gao, Guoxin; Bu, Huaitian; Lu, tongqing; Ding, Shujiang (Peer reviewed; Journal article, 2020)
    Highly stretchable and transparent ionic conducting materials have enabled new concepts of electronic devices denoted as iontronics, with a distinguishable working mechanism and performances from the conventional electronics. ...
  • Recovery of Iron and Aluminum from Bauxite Residue by Carbothermic Reduction and Slag Leaching 

    Ekstrøm, Kai Erik; Bugten, Andreas Voll; Eijk, Casper van der; Lazou, Adamantia; Balomenos, E.; Tranell, Gabriella (Peer reviewed; Journal article, 2021)
    The recovery of major components of bauxite residue by carbothermic reduction at 1550–1750 °C and subsequent slag leaching in a Na3CO3(aq) solution is studied. Iron recovers primarily to pig-iron and lime is added to tune ...
  • Integration of chemical looping combustion for cost-effective CO2 capture from state-of-the-art natural gas combined cycles 

    Khan, Mohammed Nazeer Ul Hasan; Chiesa, Paolo; Cloete, Schalk Willem Petrus; Amini, Shahriar (Peer reviewed; Journal article, 2020)
    Chemical looping combustion (CLC) is a promising method for power production with integrated CO2 capture with almost no direct energy penalty. When integrated into a natural gas combined cycle (NGCC) plant, however, CLC ...
  • The Effect of Grain Refiner on Aluminium Filtration 

    Bao, Sarina; Yang, Jiawei; Akhtar, Shahid; Tundal, Ulf; Tjøtta, Stig; Pettersen, Tanja; Li, Yanjun (The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2021)
    Grain refinement of aluminium and its alloys is a common industrial practice. Fine equiaxed, grain structure leads to improved castability, strength, machinability, formability, and good surface finish. Filtration is one ...
  • Synthesis-Structure-Activity Relationship in Cu-MOR for Partial Methane Oxidation: Al Siting via Inorganic Structure-Directing Agents 

    Prodinger, Sebastian; Kvande, Karoline; Arstad, Bjørnar; Borfecchia, Elisa; Beato, Pablo; Svelle, Stian (Peer reviewed; Journal article, 2022)
    In the pursuit of controlling the propensity of Cu-mordenite (MOR) for the selective oxidation of CH4, we take a closer look at intrinsic zeolite parameters. Via synthesis design, we vary the relative proportion of Al ...
  • An improved modelling framework for strength and work hardening of precipitate strengthened Al–Mg–Si alloys 

    Lu, Feng; Sunde, Jonas Kristoffer; Marioara, Calin Daniel; Holmestad, Randi; Holmedal, Bjørn (Peer reviewed; Journal article, 2022)
    A modelling framework for the strength and work hardening contributions in age hardened Al–Mg–Si alloys is presented. The modelling work is based on transmission electron microscopy (TEM) measurements of the needle-shaped ...
  • Common workflows for computing material properties using different quantum engines 

    Huber, Sebastiaan P.; Bosoni, Emanuele; Bercx, Marnik; Bröder, Jens; Degomme, Augustin; Dikan, Vladimir; Eimre, Kristjan; Flage-Larsen, Espen; Garcia, Alberto; Genovese, Luigi; Gresch, Dominik; Johnston, Conrad; Petretto, Guido; Poncé, Samuel; Rignanese, Gian-Marco; Sewell, Christopher J.; Smit, Berend; Tseplyaev, Vasily; Uhrin, Martin; Wortmann, Daniel; Yakutovich, Aliaksandr V.; Zadoks, Austin; Zarabadi-Poor, Pezhman; Zhu, Bonan; Marzari, Nicola; Pizzi, Giovanni (Peer reviewed; Journal article, 2021)
    The prediction of material properties based on density-functional theory has become routinely common, thanks, in part, to the steady increase in the number and robustness of available simulation packages. This plurality ...
  • X-ray absorption, X-ray diffraction and electron microscopy study of spent cobalt based catalyst in semi-commercial scale Fischer-Tropsch synthesis 

    Tsakoumis, Nikolaos; Dehghan-Niri, Roya; Rønning, Magnus; Walmsley, John; Borg, Øyvind; Rytter, Erling; Holmen, Anders (Peer reviewed; Journal article, 2014)
    Calcined, reduced and spent Co-Re/γ-Al2O3 catalysts for Fischer–Tropsch synthesis (FTS) were characterized and compared. Co-K-edge and Re-LIII-edge X-ray absorption near edge structure (XANES), X-ray powder diffraction ...
  • Studying GPI zones in Al-Zn-Mg alloys by 4D-STEM 

    Thronsen, Elisabeth; Frafjord, Jonas; Friis, Jesper; Marioara, Calin Daniel; Wenner, Sigurd; Andersen, Sigmund Jarle; Holmestad, Randi (Peer reviewed; Journal article, 2021)
    A new methodology has been developed to study the fine details of GP zones in age-hardenable aluminium alloys. It is complementary to atomic resolution high-angle annular dark-field scanning transmission electron microscopy ...
  • New insights into submarine tailing disposal for a reduced environmental footprint: Lessons learnt from Norwegian fjords 

    Ramirez-Llodra, Eva; Trannum, Hilde Cecilie; Andersen, Guri Sogn; Baeten, Nicole; Brooks, Steven; Escudero-Oñate, Carlos; Gundersen, Hege; Kleiv, Rolf Arne; Ibragimova, Olga; Lepland, Aivo; Nepstad, Raymond; Sandøy, Roar; Schaanning, Morten; Shimmield, Tracy; Yakushev, Evgeniy; Ferrando-Climent, Laura; Høgaas, Per Helge (Peer reviewed; Journal article, 2022)
    Submarine tailing disposal (STD) in fjords from land-based mines is common practice in Norway and takes place in other regions worldwide. We synthesize the results of a multidisciplinary programme on environmental impacts ...
  • Detecting minute amounts of nitrogen in GaNAs thin films using STEM and CBED 

    Vatanparast, Maryam; Shao, Yu-Tsun; Rajpalke, Mohana; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi; Vullum, Per Erik; Zuo, Jian Min (Peer reviewed; Journal article, 2021)
    Nitrogen (N) is a common element added to GaAs for band gap engineering and strain compensation. However, detection of small amounts of N is difficult for electron microscopy as well as for other chemical analysis techniques. ...
  • Screening, Monitoring, and Remediation of Legacy Wells to Improve Reservoir Integrity for Large-Scale CO2 Storage—An Example From the Smeaheia Structure in the Northern North Sea 

    Romdhane, Mohamed Anouar; Emmel, Benjamin; Zonetti, Simone; Dupuy, Bastien; Gawel, Kamila; Edvardsen, Laura; Bhuiyan, Mohammad Hossain (Peer reviewed; Journal article, 2022)
    Carbon capture and storage (CCS) is an inevitable action to achieve CO2 emission reduction targets including becoming net-zero by 2050. Increased efforts are therefore required to identify suitable locations for large-scale ...
  • On the temperature dependence of the cyclic compression behaviour of a thermoplastic vulcanizate elastomer 

    Persson, Anna-Maria Märta Ruth; Hinrichsen, Einar L; Andreassen, Erik (Peer reviewed; Journal article, 2022)
    Effects of temperature on the uniaxial cyclic compression of a polypropylene based thermoplastic vulcanizate were studied in the range −40 °C–100 °C. The effect of temperature on the stress level was similar to that on the ...
  • Techno-economic assessment of blue and green ammonia as energy carriers in a low-carbon future 

    Arnaiz del Pozo, Carlos; Cloete, Schalk Willem Petrus (Peer reviewed; Journal article, 2022)
    Ammonia is an industrial chemical and the basic building block for the fertilizer industry. Lately, attention has shifted towards using ammonia as a carbon-free energy vector, due to the ease of transportation and storage ...

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