Sverre Magnus Selbach
Assoc. Prof.

Dept. of Materials Science and Engineering.
Inorganic Materials and Ceramics Research

Office: 120, Chemistry builiding 2, Sem Sælandsvei 6
Contact: selbach[æt]



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

Current post docs and students

  • Post doc Dr. Katherine Inzani
  • PhD student Astrid Marthinsen
  • PhD student Lu Xia
  • PhD student Didrik Småbråten
  • MSc student Frida Paulsen Danmo
  • MSc student Frida Sveen Hempel


  1. L. Wang, Z. Wang, P.-E. Vullum, S. M. Selbach, A. M. Svensson and F. Vullum-Bruer
    Solvent-Controlled Charge Storage Mechanisms of Spinel Oxide Electrodes in Mg Organohaloaluminate Electrolytes
    Nano Lett. (2018) DOI:10.1021/acs.nanolett.7b03978.

  2. A. Marthinsen, S. M. Griffin, M. Moreau, T. Grande, T. Tybell and S. M. Selbach
    Goldstone-like phonon modes in a (111)-strained perovskite
    Phys. Rev. Mater. (2018) In Press.

  3. M. Moreau, S. M. Selbach and T. Tybell
    Octahedral coupling in (111)-and (001)-oriented La2/3Sr1/3MnO3/SrTiO3 heterostructures
    arXiv cond-mat 1710.10996

  4. T. S. Holstad, D. M. Evans, A. Ruff, D. R. Smaabraaten, J. Schaab, Ch. Tzschaschel, Z. Yan, E. Bourret, S. M. Selbach, S. Krohns and D. Meier
    Electronic bulk and domain wall properties in B-site doped hexagonal ErMnO3
    arXiv cond-mat 1710.05557.

  5. S. H. Skjærvø, Q. Meier, E. S. Bozin, S.J.L. Billinge, M. Feygenson, N. A. Spaldin and S. M. Selbach
    Unconventional order-disorder phase transition in improper ferroelectric hexagonal manganites
    arXiv cond-mat 1707.09649.

  6. M. Moreau, A. Marthinsen, S. M. Selbach and T. Tybell
    Strain-phonon coupling in (111)-oriented perovskite oxides
    Phys. Rev. B 96 (2017) 094109.

  7. I. Hallsteinsen, M. Moreau, R.V. Chopdekar, E. Christiansen, M. Nord, P.-E. Vullum, J. K. Grepstad, R. Holmestad, S. M. Selbach, A. Scholl, E. Arenholz, E. Folven and T. Tybell
    Magnetic domain configuration of (111)-oriented LaFeO3 epitaxial thin films
    APL Materials 5 (2017) 086107.

  8. G. H. Olsen, M. H. Sørby, S. M. Selbach and T. Grande
    Ferroelectric lead metaniobate: Exploring the role of lone pair cations in ferroelectric tungsten bronzes
    Chem. Mater. 29 (2017) 6414-6424.

  9. M. Moreau, S. M. Selbach and T. Tybell
    Spatially Confined Spin Polarization and magnetic sublattice control in (La,Sr)MnO3-d Thin Films by Oxygen Vacancy Ordering
    Sci. Rep. 7 (2017) 4386.

  10. A. R. M. Dalod, O. G. Grendal, S. L. Skjærvø, K. Inzani, S. M. Selbach, L. Henriksen, W. van Beek, T. Grande and M.-A. Einarsrud
    Controlling Oriented Attachment and in Situ Functionalization of TiO2 Nanoparticles During Hydrothermal Synthesis with APTES
    J. Phys. Chem. C 121 (2017) 11897-11906.

  11. B. Jiang, T. Grande and S. M. Selbach
    Local structure of disordered Bi0.5K0.5TiO3 investigated by pair distribution function analysis and first principles calculations
    Chem. Mater. 29 (2017) 4244-4252.

  12. K. Inzani, M. Nematollahi, F. Vullum-Bruer, T. Grande, T. Worren Reenaas and S. M. Selbach
    Electronic Properties of Reduced Molybdenum Oxides
    Phys. Chem. Chem. Phys. 19 (2017) 9232-9245.

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

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

  15. M. Moreau, A. Marthinsen, S. M. Selbach and T. 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.

  16. K. Inzani, M. Nematollahi, S. M. Selbach, T. Grande and F. Vullum-Bruer
    Progression of reduction of MoO3 observed in powders and solution processed thin films
    Thin Solid Films 626 (2017) 94-103.

  17. N. Mestres, A. Hardy, T. Brezesinski and S. 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. Tech. 81 (2017) 311.

  18. S. H. Skjærvø, E. T. Wefring, S. K. Nesdal, N. H. Gaukås, G. H. Olsen, J. Glaum, T. Tybell and S. M. Selbach
    Interstitial Oxygen as a Source of p-type Conductivity in Hexagonal Manganites
    Nature Commun. 7 (2016) 13745.

  19. I. Hallsteinsen, M. Moreau, A. Grutter, M. Nord, P.-E. Vullum, D. A. Gilbert, T. Bolstad, J. K. Grepstad, R. Holmestad, S. M. Selbach, A. T. N’Diaye, B. J. Kirby, E. Arenholz, and T. Tybell
    Concurrent magnetic and structural reconstructions at the interface of (111)-oriented La0.7Sr0.3MnO3/LaFeO3
    Phys. Rev. B 94 (2016) 201115(R).

  20. A. Marthinsen, C. Faber, U. Aschauer, N. A. Spaldin and S. M. Selbach
    Coupling and competition between ferroelectricity, magnetism, strain, and oxygen vacancies in AMnO3 perovskites
    MRS Commun. 6 (2016) 182-191.

  21. A. Bergerud, S. M. Selbach and D. J. Milliron
    Oxygen Incorporation and Release in Metastable Bixbyite V2O3 Nanocrystals
    ACS Nano 10 (2016) 6147–6155.

  22. E. L. Runnerstrom, A. Bergerud, A. Agrawal, R. W. Johns, C. J. Dahlman, A. Singh, S. M. Selbach and D. J. Milliron
    Defect Engineering in Plasmonic Metal Oxide Nanocrystals
    Nano Lett. 16 (2016) 3390–3398.

  23. G. H. Olsen, U. Aschauer, N. A. Spaldin, S. M. Selbach and T. Grande
    Origin of ferroelectric polarization in tetragonal tungsten-bronze-type oxides
    Phys. Rev. B 93 (2016) 180101(R).

  24. K. Inzani, T. Grande, F. Vullum-Bruer and S. M. Selbach*
    A van der Waals Density Functional Study of MoO3 and Its Oxygen Vacancies
    J. Phys. Chem. C 120 (2016) 8959–8968.

  25. 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.

  26. 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.

  27. 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.

  28. 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.

  29. 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.

  30. 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.

  31. 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.

  32. 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.

  33. 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.

  34. 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.

  35. 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.

  36. 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.

  37. 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.

  38. 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.

  39. 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.

  40. 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.
  41. 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.
  42. 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.
  43. 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.

  44. 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. 

  45. 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.

  46. Sverre Magnus Selbach
    Structure, stability and phase transitions of multiferroic BiFeO3
    PhD thesis, NTNU, November 2009.

  47. 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.

  48. 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.

  49. 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.

  50. S. M. Selbach, M.-A. Einarsrud, T. Grande
    On the thermodynamic stability of BiFeO3.
    Chem. Mater. 21 (2009) 169-173.

  51. 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.

  52. S. M. Selbach, T. Tybell, M.-A. Einarsrud, T. Grande
    The ferroic phase transitions of BiFeO3.
    Adv. Mater. 20 (2008) 3692-3696.

  53. S. M. Selbach, T. Tybell, M.-A. Einarsrud, T. Grande
    Size-dependent properties of multiferroic BiFeO3 nanoparticles.
    Chem. Mater. 19 (2007) 6478-6484.

  54. 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.

  55. 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.



  • Sandra Helen Skjærvø (PhD 2017)
  • Bo Jiang (Post doc 2014-2017)
  • Mohammaed Mostafa Adnan ( 2017)
  • Ingeborg Treu Røe ( 2017)
  • Nikolai Helth Gaukås ( 2016)
  • Stine Marie Hoggen ( 2016)
  • Kristian Fredrik Thorbjørnsen ( 2016)
  • Rasmus Vester Thøgersen ( 2016)
  • Elise Ramleth Østli ( 2015)
  • Mari Reidulff ( 2014)
  • Astrid Marthinsen ( 2014)
  • Madelen Mørk Frydenlund ( 2014)
  • Christine Blom ( 2014)
  • Tormod Østmoe ( 2014)
  • Stine Lund Walø ( 2013)
  • Silje Kathrin Nesdal ( 2013)
  • Torbjørn Cederløv ( 2010)
  • Amund Nordli Løvik ( 2010)


  • The Royal Norwegian Society of Sciences and Letters’ (DKNVS) Science Award for 2012:

  • Prize for best PhD thesis at the Faculty of Natural Science and Technology at NTNU in the academic year 2009/2010: