Recent Submissions

  • Nanoscale imaging of shale fragments with coherent X-ray diffraction 

    Chattopadhyay, Basab; Madathiparambil, Aldritt Scaria; Mürer, Fredrik Kristoffer; Cerasi, Pierre; Chushkin, Yuriy; Zontone, Federico; Gibaud, Alain; Breiby, Dag Werner (Journal article; Peer reviewed, 2020)
    Despite the abundance of shales in the Earth’s crust and their industrial and environmental importance, their microscale physical properties are poorly understood, owing to the presence of many structurally related mineral ...
  • Atomic structure of solute clusters in Al-Zn-Mg alloys 

    Lervik, Adrian; Thronsen, Elisabeth; Friis, Jesper; Marioara, Calin Daniel; Wenner, Sigurd; Bendo, Artenis; Matsuda, Kenji; Holmestad, Randi; Andersen, Sigmund Jarle (Journal article; Peer reviewed, 2021)
    Scanning transmission electron microscopy imaging of Al–Zn–Mg alloys has provided new information on the atomic structures of solute rich clusters forming from a supersaturated solid solution at low temperatures. A unique ...
  • Atomistic Scale Modelling of Defects in Aluminium Alloys 

    Frafjord, Jonas (Doctoral theses at NTNU;2020:400, Doctoral thesis, 2020)
    «Deformasjoner som en ser når metall bøyer seg, er en kollektiv bevegelse av små linjedefekter i atomstrukturen.» Dette sitatet oppsummerer temaet til doktorgradsarbeidet som handler om hvordan atomer i aluminium oppfører ...
  • Stretching and breaking of PEO nanofibres. A classical force field and ab initio simulation study 

    Bering, Eivind; de Wijn, Astrid S. (Peer reviewed; Journal article, 2020)
    The burgeoning development of nanotechnology is allowing us to construct more and more nano-scale systems in the real world that used to only exist in computer simulations. Among them, nanofibres made of only a few aligned ...
  • A Legendre–Fenchel Transform for Molecular Stretching Energies 

    Bering, Eivind; Bedeaux, Dick; Kjelstrup, Signe; de Wijn, Astrid S.; Latella, Ivan; Rubi, Miguel (Peer reviewed; Journal article, 2020)
    Single-molecular polymers can be used to analyze to what extent thermodynamics applies when the size of the system is drastically reduced. We have recently verified using molecular-dynamics simulations that isometric and ...
  • Discrimination of Breast Cancer from Healthy Breast Tissue Using a Three-component Diffusion-weighted MRI Model 

    Andreassen, Maren Marie Sjaastad; Rodriguez-Soto, Ana; Conlin, CC; Vidić, I; Seibert, TM; Wallace, AM; Zare, S; Kuperman, J; Abudu, B; Ahn, GS; Hahn, M; Jerome, Neil Peter; Østlie, Agnes; Bathen, Tone Frost; Ojeda-Fournier, H; Goa, Pål Erik; Rakow-Penner, Rebecca; Dale, AM (Peer reviewed; Journal article, 2020)
    Purpose: Diffusion-weighted MRI (DW-MRI) is a contrast-free modality that has demonstrated ability to discriminate between predefined benign and malignant breast lesions. However, how well DW-MRI discriminates cancer from ...
  • Lab-in-a-FIB 

    Mosberg, Aleksander Buseth (Doctoral theses at NTNU;2020:295, Doctoral thesis, 2020)
    The development of next-generation devices and technology requires micro- and nanoscale manipulation of complex functional material systems. The micro- to nanoscale experiments required to understand their function must ...
  • Characterization of (111)B and (211)B CdZnTe Substrates for HgCdTe Growth 

    Haakenaasen, Randi; Lauten, Oda; Selvig, Espen; Kongshaug, Kjell Ove; Røer, Eivind Jülke; Hansen, Runar Wattum (Peer reviewed; Journal article, 2019)
    We have studied state-of-the-art CdZnTe (211)B and (111)B substrates and compared them to each other and to substrates from an alternative vendor. The CdZnTe surface has been characterized both as-received and after growth ...
  • Entropy production beyond the thermodynamic limit from single-molecule stretching simulations 

    Bering, Eivind; Kjelstrup, Signe; Bedeaux, Dick; Rubi, Miguel; de Wijn, Astrid S. (Peer reviewed; Journal article, 2020)
    Single-molecular systems are a test bed to analyze to what extent thermodynamics applies when the size of the system is drastically reduced. Isometric and isotensional single-molecule stretching experiments and their ...
  • Physicochemical mechanisms for gas adsorption on clay mineral interfaces and surfaces 

    Hunvik, Kristoffer William Bø (Doctoral theses at NTNU;2020:316, Doctoral thesis, 2020)
    Increasing anthropogenic carbon emissions have a detrimental impact on our planet's ecosystems. If we want to keep our planet habitable for future generations, serious action is needed. We need to both reduce and mitigate ...
  • Onsager-symmetry obeyed in athermal mesoscopic systems: Two-phase flow in porous media 

    Winkler, Mathias; Gjennestad, Magnus Aashammer; Bedeaux, Dick; Kjelstrup, Signe; Cabriolu, Raffaela; Hansen, Alex (Peer reviewed; Journal article, 2020)
    We compute the fluid flow time correlation functions of incompressible, immiscible two-phase flow in porous media using a 2D network model. Given a properly chosen representative elementary volume, the flow rate distributions ...
  • Observation of Unconventional Dynamics of Domain Walls in Uniaxial Ferroelectric Lead Germanate 

    Bak, Ohheum; Holstad, Theodor Secanell; Lu, Haidong; Evans, Donald; Hunnestad, Kasper Aas; Wang, Bo; Becker, Petra; Bohatý, Ladislav; Helvoort, Antonius T. J. van; Gregg, J Marty; Meier, Dennis Gerhard; Gruverman, Alexei (Peer reviewed; Journal article, 2020)
    Application of scanning probe microscopy techniques such as piezoresponse force microscopy (PFM) opens the possibility to re‐visit the ferroelectrics previously studied by the macroscopic electrical testing methods and ...
  • Laser-induced spatial composition gradients in SiGe core fiber 

    Wu, Wei (Doctoral theses at NTNU;2020:219, Doctoral thesis, 2020)
    An important contributor to global warming is greenhouse gas emission caused by burning fuels such as oil and coal. To preserve the environment for the whole world and to simultaneously meet growing global energy demand, ...
  • Cosmic-ray antinuclei as messengers of new physics: Status and outlook for the new decade 

    Von Doetinchem, Doetinchem; Perez, K.; Aramaki, T.; Baker, S.; Barwick, S.; Bird, R.; Boezio, M.; Boggs, S. E.; Cui, M.; Datta, A.; Donato, Fiorenza; Evoli, C.; Fabris, L.; Fabbietti, L.; Bueno, E. Ferronato; Fornengo, N.; Fuke, H.; Gerrity, C.; Coral, D. Gomez; Hailey, C. J.; Hooper, D.; Kachelriess, Michael; Korsmeier, M.; Kozai, M.; Lea, R.; Li, N.; Lowell, A.; Manghisoni, M.; Moskalenko, Igor V.; Munini, R.; Naskret, M.; Nelson, T.; Ng, K.C.Y.; Nozzoli, F.; Oliva, A.; Ong, R. A.; Osteria, G.; Pierog, T.; Poulin, Vivian; Profumo, S.; Pöschl, T.; Quinn, S.; Re, V.; Rogers, F.; Ryan, J.; Saffold, N.; Sakai, K.; Salati, P.; Schael, S.; Serksnyte, L.; Shukla, A.; Stoessl, A.; Tjemsland, Jørgen; Vannuccini, E.; Vecchi, M.; Winkler, M.W.; Wright, D.; Xiao, M.; Xu, W.; Yoshida, T.; Zampa, G.; Zuccon, P. (Peer reviewed; Journal article, 2020)
    The precise measurement of cosmic-ray antinuclei serves as an important means for identifying the nature of dark matter and other new astrophysical phenomena, and could be used with other cosmic-ray species to understand ...
  • Application of a long short-term memory for deconvoluting conductance contributions at charged ferroelectric domain walls 

    Holstad, Theodor Secanell; Ræder, Trygve Magnus; Evans, Donald; Småbråten, Didrik Rene; Krohns, Stephan; Schaab, Jakob; Yan, Zewu; Bourret, Edith; Helvoort, Antonius T. J. van; Grande, Tor; Selbach, Sverre Magnus; Agar, Joshua; Meier, Dennis Gerhard (Peer reviewed; Journal article, 2020)
    Ferroelectric domain walls are promising quasi-2D structures that can be leveraged for miniaturization of electronics components and new mechanisms to control electronic signals at the nanoscale. Despite the significant ...
  • Potential Oxide-Based Intermediate Band Materials: Fabrication and Photoemission Studies 

    Jorge, Marina Rodrigues (Doctoral theses at NTNU;2020:83, Doctoral thesis, 2020)
    Intermediate band solar cells (IBSCs) is a so-called third generation solar cell concept, and are based on a new type of semiconductor materials which have an intermediate band (IB) within the bandgap. This IB works as a ...
  • Influence of Elemental Carbon (EC) Coating Covering nc-(Ti,Mo)C Particles on the Microstructure and Properties of Titanium Matrix Composites Prepared by Reactive Spark Plasma Sintering 

    Biedunkiewicz, Anna; Figiel, Pawel; Garbiec, Dariusz; Obrosov, Aleksei; Pawlyta, Miroslawa; Biedunkiewicz, Witold; Pruss, Przemyslaw; Rokosz, Krzysztof; Wrobel, Rafal; Raaen, Steinar; Weiss, Sabine; Bokov, Dmitry (Peer reviewed; Journal article, 2021)
    This paper describes the microstructure and properties of titanium-based composites obtained as a result of a reactive spark plasma sintering of a mixture of titanium and nanostructured (Ti,Mo)C-type carbide in a carbon ...
  • Comparing intergranular corrosion in Al‐Mg‐Si‐Cu alloys with and without α‐Al(Fe,Mn,Cu)Si particles 

    Lervik, Adrian; Danbolt, Turid; Furu, Trond; Holmestad, Randi; Lunder, Otto (Peer reviewed; Journal article, 2020)
    In this study, a model alloy without Fe and Mn additions, is compared with a commercial AA6005 alloy to further understand how the α‐Al(Fe,Mn,Cu)Si particles affect intergranular corrosion (IGC) behaviour. Both alloys were ...
  • Fully resolved strain field of the β’’ precipitate calculated by density functional theory 

    Frafjord, Jonas; Dumoulin, Stephane; Wenner, Sigurd; Ringdalen, Inga Gudem; Holmestad, Randi; Friis, Jesper (Peer reviewed; Journal article, 2020)
    The β′′ precipitate is the main hardening phase in age hardenable Al-Mg-Si alloys, and it is therefore of major scientific and industrial importance. A full model of the β′′ precipitate cross-section embedded in an aluminium ...
  • Strong Coupling and Nonextensive Thermodynamics 

    de Miguel, Rodrigo; Rubi, Capaceti Jose Miguel (Peer reviewed; Journal article, 2020)
    We propose a Hamiltonian-based approach to the nonextensive thermodynamics of small systems, where 'small' is a relative term comparing the size of the system to the size of the effective interaction region around it. We ...

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