Browsing Kjemisk institutt by Author "Lundvall, Fredrik"

Now showing items 1-10 of 10

  • Canted antiferromagnetism in high-purity NaFeF3 prepared by a novel wet-chemical synthesis method 
    Bernal, Fabian Leonardo Martinez; Gonano, Bruno Raymond Gino; Lundvall, Fredrik; Wragg, David; Fjellvåg, Helmer; Veillon, Fabien; Sławińsk, Wojciech; Fjellvåg, Øystein (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    We report a synthesis method, and structural and magnetic characterization, for the fluoroperovskite NaFeF3. We have developed a wet-chemical method that allows preparation of large volumes of air-sensitive fluoroperovskites ...
  • Characterization and evaluation of synthetic Dawsonites as CO2 sorbents 
    Lundvall, Fredrik; Kalantzopoulos, Georgios N.; Wragg, David; Arstad, Bjørnar; Blom, Richard; Sjåstad, Anja Olafsen; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    The sorbent enhanced water-gas shift (SEWGS) process has great potential for CO2 capture and is thereby a realistic alternative to conventional post-combustion capture by gas emission scrubbing. Nevertheless, better ...
  • Crystal structure of catena-poly[[[aqua­bis­(di­methyl­formamide-κO)magnesium(II)]-μ3-(2,2′-bi­pyridine-5,5′-di­carboxyl­ato-κ5O2:O2′:N,N′:O5)-[di­chlorido­platinum(II)]] di­methyl­formamide monosolvate] 
    Lundvall, Fredrik; Tilset, Mats (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    The title compound, {[MgPtCl2(C12H6N2O4)(C3H7NO)2(H2O)] C3H7NO}n, is a one-dimensional coordination polymer. The structure consists of Pt-functionalized bipyridine ligands connected by MgII cations, as well as coordinating ...
  • Dimethyl 3,3′-dimethoxybiphenyl-4,4′-dicarboxylate 
    Lundvall, Fredrik; Wragg, David; Dietzel, Pascal D.C.; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    In the title compound, C18H18O6, the biphenyl moiety is twisted with a dihedral angle of 29.11 (10)°. The carbometh­oxy groups form C-C-C-O torsion angles of -18.3 (3) and -27.7 (3)° with the attached rings, as a result ...
  • Jahn-Teller active fluoroperovskites ACrF3 (A=Na+, K+): Magnetic and thermo-optical properties 
    Bernal, Fabian Leonardo Martinez; Lundvall, Fredrik; Kumar, Susmit; Hansen, Per-Anders S.; Wragg, David S.; Fjellvåg, Helmer; Løvvik, Ole Martin (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    Chromium (II) fluoroperovskites A CrF 3 ( A = Na + , K + ) are strongly correlated Jahn-Teller active materials at low temperatures. In this paper, we examine the role that the A -site ion plays in this family of ...
  • Methyl 5-iodo-2-methoxybenzoate 
    Lundvall, Fredrik; Wragg, David; Dietzel, Pascal D.C.; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    In the title compound, C9H9IO3, the mol­ecules are close to planar [maximum deviation from benzene ring plane = 0.229 (5) Å for the methyl carboxylate C atom] with the methyl groups oriented away from each other. In the ...
  • Nye koordinasjonspolymerer basert på Pt(IV) 
    Lundvall, Fredrik (Master thesis / Masteroppgave, 2009)
    Katalyse er et felt innen kjemien som blir stadig viktigere. Utviklingen av nye koordinasjonspolymerer, også kjent som MetallOrganiske Nettverk (MetalOrganic Framework - MOF), er viktig i jakten på nye effektive katalysatorer ...
  • SAPO-37 microporous catalysts: revealing the structural transformations during template removal 
    Kalantzopoulos, Georgios N.; Lundvall, Fredrik; Lind, Anna Maria; Arstad, Bjørnar; Chernyshov, Dmitry; Fjellvåg, Helmer; Wragg, David (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    We have studied the structural behavior of SAPO-37 during calcination using simultaneous in situ powder X-ray diffraction (PXRD) and mass spectroscopy (MS) in addition to ex situ thermogravimetric analysis (TGA) and ...
  • Synthesis and Evaluation of K-Promoted Co3-xMgxAl-Oxides as Solid CO2 Sorbents in the Sorption-Enhanced Water−Gas Shift (SEWGS) Reaction 
    Arstad, Bjørnar; Blom, Richard; Håkonsen, Silje Fosse; Pierchala, Joanna; Cobden, Paul; Lundvall, Fredrik; Kalantzopoulos, Georgios N.; Wragg, David; Fjellvåg, Helmer; Sjåstad, Anja Olafsen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Hydrogen is essential in a variety of large-scale chemical processes. As a carbon-free energy carrier, hydrogen has a potential for wide use within power production and transportation. However, most of the recent production ...
  • Thermogravimetric Analysis – A Viable Method for Screening Novel Materials for the Sorbent Enhanced Water-gas Shift Process 
    Lundvall, Fredrik; Kalantzopoulos, Georgios N.; Wragg, David; Arstad, Bjørnar; Blom, Richard; Sjåstad, Anja Olafsen; Fjellvåg, Helmer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Pre-combustion CO2 capture technologies are becoming viable alternatives to more conventional post-combustion capture by gas emissions scrubbing. The sorbent enhanced water-gas shift (SEWGS) process is a promising future ...