+47 73594099 +47 91646302
Sem Sælands vei 12, Kjemi II * 120

Background and activities

Research group: Inorganic Materials and Ceramics Research Group.

Assoc. prof. at NTNU since 2012. 


  • Defect chemistry and ferroic properties of oxides.
  • BiFeO3, lead-free relaxor piezoelectrics, hexagonal manganites and manganite perovskites.
  • Density Functional Theory (DFT) simulations.
  • Synthesis and characterization of oxides; physical properties and local structure (PDF).


  • TMT4245 Functional materials
  • MT8308 Advanced Solid State Chemistry
  • MT8307 Materials Thermodynamics (shared responsibility)


  • Research Council of Norway, FRINATEK.
  • Research Council of Norway, SYNKNØYT.
  • NTNU, "Outstanding Academic Fellow"-programme.

Current post docs and students

  • Post doc Dr. Bo Jiang
  • Post doc Dr. Katherine Inzani
  • PhD student Sandra Helen Skjærvø
  • PhD student Astrid Marthinsen
  • PhD student Lu Xia
  • PhD student Didrik Småbråten
  • MSc student Ingeborg Treu Røe
  • MSc student Mohammed Mostafa Adnan


  • Nikolai Helth Gaukås (Siv.ing/MSc)
  • Stine Marie Hoggen (Siv.ing./MSc)
  • Kristian Fredrik Thorbjørnsen (Siv.ing./MSc)
  • Rasmus Vester Thøgersen (Siv.ing./MSc)
  • Elise Ramleth Østli (Siv.ing/MSc)
  • Mari Reidulff (Siv.ing./MSc)
  • Astrid Marthinsen (Siv.ing./MSc)
  • Madelen Mørk Frydenlund (Siv.ing./MSc)
  • Christine Blom (Siv.ing./MSc)
  • Tormod Østmoe (Siv.ing./MSc)
  • Stine Lund Walø (Siv.ing./MSc)
  • Silje Kathrin Nesdal (Siv.ing./MSc)
  • Torbjørn Cederløv (Siv.ing./MSc)
  • Amund Nordli Løvik (Siv.ing./MSc)
  • Kristin Bergum (Siv.ing./MSc)



  • Bo Jiang, Tor Grande and Sverre M. Selbach
    Local structure of disordered Bi0.5K0.5TiO3 investigated by pair distribution function analysis and first principles calculations
    Chem. Mater. (2017) DOI:10.1021/acs.chemmater.7b00276.

  • Katherine Inzani, Mohammedreza Nematollahi, Fride Vullum-Bruer, Tor Grande, Turid Worren Reenaas and Sverre M. Selbach
    Electronic Properties of Reduced Molybdenum Oxides
    Phys. Chem. Chem. Phys. 19 (2017) 9232-9245.

  • Bo Jiang and Sverre M. Selbach
    Local and average structure of Mn- and La-substituted BiFeO3
    J. Solid State Chem. 250 (2017) 75-82.

  • Sinéad M. Griffin, Mari Reidulff, Sverre M. Selbach and Nicola A. Spaldin
    Defect chemistry as a crystal structure design parameter: Intrinsic point defects and Ga substitution in InMnO3
    Chem. Mater. 29 (2017) 2425-2434.

  • Magnus Moreau, Astrid Marthinsen, Sverre M. Selbach and Thomas Tybell
    A first principles study of the effect of (111)-strain on the octahedral rotations and structural phases of LaAlO3
    Phys. Rev. B 95 (2017) 064109.

  • Katherine Inzani, Mohammedreza Nematollahi, Sverre M. Selbach, Tor Grande and Fride Vullum-Bruer
    Progression of reduction of MoO3 observed in powders and solution processed thin films
    Thin Solid Films 626 (2017) 94-103.

  • Narcis Mestres, An Hardy, Torsten Brezesinski and Sverre M. Selbach
    E-MRS spring meeting 2016 symposium AA: solution processing and properties of functional oxide thin films and nanostructures II
    J. Sol-Gel Sci. Technol. 81 (2017) 311.

  • Sandra H. Skjærvø, Espen T. Wefring, Silje K. Nesdal, Nikolai H. Gaukås, Gerhard H. Olsen, Julia Glaum
    Interstitial Oxygen as a Source of p-type Conductivity in Hexagonal Manganites
    Nature Commun. 
    7 (2016) 13745.

  • Ingrid Hallsteinsen, Magnus Moreau, A. Grutter, Magnus Nord, Per-Erik Vullum, D. A. Gilbert, Torstein Bolstad, Jostein K. Grepstad, Sverre M. Selbach, A. T. N'Diaye, B. J. Kirby, E. Arenholz and Thomas Tybell
    Concurrent magnetic and structural reconstructions at the interface of (111)-orientedLa0.7Sr0.3MnO3/LaFeO3
    Phys. Rev. B 94 (2016) 201115(R).

  • Astrid Marthinsen, Carina Faber, Ulrich Aschauer, Nicola A. Spaldin and Sverre M. Selbach
    Coupling and competition between ferroelectricity, magnetism, strain, and oxygen vacancies in AMnO3perovskites 
    MRS Commun. 6 (2016) 182-191.
  • Amy Bergerud, Sverre M. Selbach and Delia J. Milliron
    Oxygen Incorporation and Release in Metastable Bixbyite V2O3 Nanocrystals 
    ACS Nano 10 (2016) 6147–6155.
  • Evan L. Runnerstrom, Amy Bergerud, Ankit Agrawal, Robert W. Johns, Clayton J. Dahlman, Ajay Singh, Sverre M. Selbach and Delia J. Milliron
    Defect Engineering in Plasmonic Metal Oxide Nanocrystals 
    Nano Lett. 16 (2016) 3390–3398.
  • Gerhard Henning Olsen, Ulrich Aschauer, Nicola A. Spaldin, Sverre Magnus Selbach, and Tor Grande
    Origin of ferroelectric polarization in tetragonal tungsten-bronze-type oxides 
    Phys. Rev. B 93 (2016) 180101(R).
  • Katherine Inzani, Tor Grande, Fride Vullum-Bruer and Sverre M. Selbach*
    A van der Waals Density Functional Study of MoO3 and Its Oxygen Vacancies 
    J. Phys. Chem. C 120 (2016) 8959–8968.
  • M. Lilienblum, T. Lottermoser, S. Mainz, S. M. Selbach, A. Cano and M. Fiebig
    Ferroelectricity in the hexagonal manganites 
    Nature Phys. 11 (2015) 1070-1073.
  • G. H. Olsen, S. M. Selbach and T. Grande
    On the energetics of cation ordering in tungsten-bronze-type oxides
    Phys. Chem. Chem. Phys. 17 (2015) 30343-30351.
  • A. K. E. Andersson, S. M. Selbach, T. Grande and C. S. Knee
    Thermal evolution of the crystal structure of proton conducting BaCe0.8Y0.2O3-d from high-resolution neutron diffraction in dry and humid atmosphere 
    Dalton Trans. 44 (2015) 10834-10846.
  • Zh. Wang, A. P. Ratvik, T. Grande and S. M. Selbach
    Diffusion of Alkali Metals in the First Stage Graphite Intercalation Compounds by vdW-DFT Calculations
    RSC Adv. 5 (2015) 15985-15992.
  • M. Nord, P.E. Vullum, M. Moreau, J.E. Boschker, S.M. Selbach, R. Holmestad and T. Tybell
    Structural phases driven by oxygen vacancies at the La0.7Sr0.3MnO3/SrTiO3 hetero-interface
    Appl. Phys. Lett. 106 (2015) 041604.
  • Y.-M. Kim, A. Morozovska, E. Eliseev, M. P. Oxley, R. Mishra, S. M. Selbach, T. Grande, S. T. Pantelides, S. V. Kalinin and A. Y. Borisevich
    Direct observation of ferroelectric field effect and vacancy-controlled screening at the BiFeO3/LaxSr1-xMnO3 interface
    Nature Mater. 13 (2014) 1019-1025.
  • G. H. Olsen, M. H. Sørby, B. C. Hauback, S. M. Selbach and T. Grande
    Revisiting the crystal structure of rhombohedral lead metaniobate
    Inorg. Chem. 53 (2014) 9715-9721.
  • A. K. E. Andersson, S. M. Selbach, Christopher S. Knee and Tor Grande
    Chemical expansion due to hydration of proton-conducting perovskite oxide ceramics
    J. Am. Ceram. Soc. 97 (2014) 2654-2661.
  • Zh. Wang, S. M. Selbach and T. Grande
    Van der Waals density functional study of the energetics of alkali metal intercalation in graphite
    RSC Adv. 4 (2014) 4069-4079.
  • U. Aschauer, R. Pfenninger, S. M. Selbach, T. Grande and N. A. Spaldin
    Strain-controlled oxygen vacancy formation and ordering in CaMnO3
    Phys. Rev. B 88 (2013) 054111.
  • I. MacLaren, L. Q. Wang, B. Schaffer, Q. M. Ramasse, A. J. Craven, S. M. Selbach, N. A. Spaldin, S. Miao, K. Kalantari and I. M. Reaney
    Novel Nanorod Precipitate Formation in Neodymium and Titanium Codoped Bismuth Ferrite
    Adv. Funct. Mater. 23 (2013) 683-689.
  • S. M. Selbach, A. N. Løvik, K. Bergum, J. R. Tolchard, M.-A. Einarsrud and T. Grande
    Crystal structure, chemical expansion and phase stability of HoMnO3 at high temperature
    J. Solid State Chem. 196 (2012) 528-535.
  • S. M. Selbach, J. R. Tolchard, A. Fossdal and T. Grande
    Non-linear thermal evolution of the crystal structure and phase transitions of LaFeO3 investigated by high temperature X-ray diffraction
    J. Solid State Chem. 196 (2012) 249-254.
  • S. Tripathi, V. Petkov, S. M. Selbach, K. Bergum, M.-A. Einarsrud, T. Grande, and Y. Ren
    Structural coherence and ferroelectric order in nano-sized multiferroic YMnO3
    Phys. Rev. B 86 (2012) 094101.
  • T. Grande, J. R. Tolchard and S. M. Selbach
    Anisotropic Thermal and Chemical Expansion in Sr-Substituted LaMnO3+d: Implications for Chemical Strain Relaxation
    Chem. Mater. 24 (2012) 338-345.
  • K. Bergum, H. Okamoto, H. Fjellvåg, T. Grande, M.-A. Einarsrud and S. M. Selbach
    Synthesis, structure and magnetic properties of nanocrystalline YMnO3
    Dalton Trans. 40 (2011) 7583.
  • S. M. Selbach, T. Tybell, M.-A. Einarsrud and T. Grande
    PbO-deficient PbTiO3: mass transport, structural effects and possibility for intrinsic screening of the ferroelectric polarization
    Appl. Phys. Lett. 98 (2011) 091912.
  • V. Petkov, S. M. Selbach, M.-A. Einarsrud, T. Grande and S. D. Shastri
    Melting of Bi sublattice in nanosized BiFeO3 perovskite by resonant x-ray diffraction
    Phys. Rev. Lett. 105 (2010) 185501.
  • R. Saeterli, S. M. Selbach, P. Ravindran, T. Grande and R. Holmestad
    Electronic structure of multiferroic BiFeO3 and related compounds: Electron energy loss spectroscopy and density functional study.
    Phys. Rev. B 82 (2010) 064102.
  • M. Lie, M. Ø. Olderøy, J.-P. Andreassen, S. M. Selbach, B. L. Strand, P. Sikorski
    Alginate-controlled formation of nanoscale calcium carbonate and hydroxyapatite mineral phase within hydrogel networks.
    Acta Biomater. 6 (2010) 3665-3675.
  • S. M. Selbach, T. Tybell, M.-A. Einarsrud, T. Grande
    Phase transitions, electrical conductivity and chemical stability of BiFeO3 at high temperatures.
    J. Solid State Chem. 183 (2010) 1205-1208.
  • Sverre Magnus Selbach
    Structure, stability and phase transitions of multiferroic BiFeO3
    PhD thesis, NTNU, November 2009.
  • S. M. Selbach, T. Tybell, M.-A. Einarsrud, T. Grande
    Structure and properties of multiferroic oxygen hyperstoichiometric BiFe1-xMnxO3+d.
    Chem. Mater. 21 (2009) 5176–5186.
  • G. Wang, S. M. Selbach, Y. Yu, X. Zhang, T. Grande, M.-A. Einarsrud
    Synthesis and characterization of KNbO3 nanorods.
    Cryst. Eng. Comm. 11 (2009) 1958-1963.
  • S. M. Selbach, T. Tybell, M.-A. Einarsrud, T. Grande
    High-temperature semiconducting cubic phase of BiFe0.7Mn0.3O3+d.
    Phys. Rev. B 79 (2009) 214113.
  • S. M. Selbach, M.-A. Einarsrud, T. Grande
    On the thermodynamic stability of BiFeO3.
    Chem. Mater. 21 (2009) 169-173.
  • F. Vullum, F. Nitsche, S. M. Selbach, T. Grande
    Solid solubility and phase transitions in the system LaNb1–xTaxO4.
    J. Solid State Chem. 181 (2008) 2580-2585.
  • S. M. Selbach, T. Tybell, M.-A. Einarsrud, T. Grande
    The ferroic phase transitions of BiFeO3.
    Adv. Mater. 20 (2008) 3692-3696.
  • S. M. Selbach, T. Tybell, M.-A. Einarsrud, T. Grande
    Size-dependent properties of multiferroic BiFeO3 nanoparticles.
    Chem. Mater. 19 (2007) 6478-6484.
    Supporting information
  • S. M. Selbach, T. Tybell, M.-A. Einarsrud, T. Grande
    Synthesis of BiFeO3 by wet chemical methods.
    J. Am. Ceram. Soc. 90 (2007) 3430-3434.
  • S. M. Selbach, G. Wang, M.-A. Einarsrud, T. Grande
    Decomposition and crystallization of a sol-gel-derived PbTiO3.precursor
    J. Am. Ceram. Soc. 90 (2007) 2649-2652.