Tor Svendsen Bjørheim

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Visiting address Sem Sælands vei 26 Kjemibygningen 0371 OSLO
Postal address Postboks 1126 Blindern 0318 OSLO
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Publications

  • Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar & Alkauskas, Audrius (2017). Zn vacancy as a polaronic hole trap in ZnO. Physical Review B. Condensed Matter and Materials Physics.  ISSN 1098-0121.  95(9) . doi: 10.1103/PhysRevB.95.094105
  • Liu, Xin; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2017). Formation and migration of hydride ions in BaTiO3-xHx oxyhydride. Journal of Materials Chemistry A.  ISSN 2050-7488.  5(3), s 1050- 1056 . doi: 10.1039/c6ta06611a
  • Arrigoni, Marco; Bjørheim, Tor Svendsen; Kotomin, Eugene & Maier, Joachim (2016). First principles study of confinement effects for oxygen vacancies in BaZrO3(001) ultra-thin films. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  18(15), s 9902- 9908 . doi: 10.1039/c6cp00830e
  • Bjørheim, Tor Svendsen; Arrigoni, Marco; Saeed, Sarmad Waheed; Kotomin, Eugene & Maier, Joachim (2016). Surface Segregation Entropy of Protons and Oxygen Vacancies in BaZrO3. Chemistry of Materials.  ISSN 0897-4756.  28(5), s 1363- 1368 . doi: 10.1021/acs.chemmater.5b04327
  • Bjørheim, Tor Svendsen; Løken, Andreas & Haugsrud, Reidar (2016). On the relationship between chemical expansion and hydration thermodynamics of proton conducting perovskites. Journal of Materials Chemistry A.  ISSN 2050-7488.  4(16), s 5917- 5924 . doi: 10.1039/c5ta10090a
  • Liu, Xin; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2016). Thermochemical properties of rare-earth oxyhydrides from first principles phonon calculations. RSC Advances.  ISSN 2046-2069.  6(12), s 9822- 9826 . doi: 10.1039/c5ra26552e
  • Løken, Andreas; Haugsrud, Reidar & Bjørheim, Tor Svendsen (2016). Unravelling the fundamentals of thermal and chemical expansion of BaCeO3 from first principles phonon calculations. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  18, s 31296- 31303 . doi: 10.1039/C6CP05710A
  • Løken, Andreas; Saeed, Sarmad Waheed; Norderhaug, Marit; Liu, Xin & Bjørheim, Tor Svendsen (2016). Alkali metals as efficient A-site acceptor dopants in proton conducting BaZrO3. Journal of Materials Chemistry A.  ISSN 2050-7488.  4(23), s 9229- 9235 . doi: 10.1039/c6ta01446a
  • Polfus, Jonathan M.; Bjørheim, Tor Svendsen; Norby, Truls & Bredesen, Rune (2016). Surface defect chemistry of Y-substituted and hydrated BaZrO3 with subsurface space-charge regions. Journal of Materials Chemistry A.  ISSN 2050-7488.  4(19), s 7437- 7444 . doi: 10.1039/c6ta02067d
  • Bjørheim, Tor Svendsen; Arrigoni, Marco; Gryaznov, Denis; Kotomin, Eugene & Maier, Joachim (2015). Thermodynamic properties of neutral and charged oxygen vacancies in BaZrO3 based on first principles phonon calculations. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  17(32), s 20765- 20774 . doi: 10.1039/c5cp02529j
  • Bjørheim, Tor Svendsen & Haugsrud, Reidar (2015). Proton transport properties of the RE3Ga5MO14 (RE = La, Nd and M = Si, Ti, Sn) langasite family of oxides. Solid State Ionics.  ISSN 0167-2738.  275, s 29- 34 . doi: 10.1016/j.ssi.2015.03.014
  • Bjørheim, Tor Svendsen; Kotomin, Eugene & Maier, Joachim (2015). Hydration entropy of BaZrO3 from first principles phonon calculations. Journal of Materials Chemistry A.  ISSN 2050-7488.  3(14), s 7639- 7648 . doi: 10.1039/c4ta06880g
  • Bjørheim, Tor Svendsen; Rahman, SMH; Eriksson, Sten G.; Knee, Christopher & Haugsrud, Reidar (2015). Hydration Thermodynamics of the Proton Conducting Oxygen-Deficient Perovskite Series BaTi1–xMxO3–x/2 with M = In or Sc. Inorganic Chemistry.  ISSN 0020-1669.  54(6), s 2858- 2865 . doi: 10.1021/ic503006u
  • Bjørheim, Tor Svendsen; Shanmugappirabu, Vijay; Haugsrud, Reidar & Norby, Truls (2015). Protons in piezoelectric langatate; La3Ga5.5Ta0.5O14. Solid State Ionics.  ISSN 0167-2738.  278(1), s 275- 280 . doi: 10.1016/j.ssi.2015.06.024
  • Johansen, Klaus Magnus H; Vines, Lasse; Bjørheim, Tor Svendsen; Schifano, Ramon & Svensson, Bengt Gunnar (2015). Aluminum migration and intrinsic defect interaction in single-crystal zinc oxide. Physical Review Applied.  ISSN 2331-7019.  3:024003(2), s 1- 12 . doi: 10.1103/PhysRevApplied.3.024003 Full text in Research Archive
  • Løken, Andreas; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2015). The pivotal role of the dopant choice on the thermodynamics of hydration and associations in proton conducting BaCe0.9X0.1O3-δ (X = Sc, Ga, Y, In, Gd and Er). Journal of Materials Chemistry A.  ISSN 2050-7488.  3(46), s 23289- 23298 . doi: 10.1039/c5ta04932f
  • Bjørheim, Tor Svendsen; Haugsrud, Reidar & Norby, Truls (2014). Protons in acceptor doped langasite, La3Ga5SiO14. Solid State Ionics.  ISSN 0167-2738.  264, s 76- 84 . doi: 10.1016/j.ssi.2014.05.017
  • Bjørheim, Tor Svendsen & Kotomin, Eugene (2014). Ab initio thermodynamics of oxygen vacancies and zinc interstitials in ZnO. Journal of Physical Chemistry Letters.  ISSN 1948-7185.  5(24), s 4238- 4242 . doi: 10.1021/jz5018812
  • Stehr, J. E.; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Vines, Lasse; Svensson, Bengt Gunnar; Chen, W. M. & Buyanova, I. A. (2014). Zinc-Vacancy–Donor Complex: A Crucial Compensating Acceptor in ZnO. Physical Review Applied.  ISSN 2331-7019.  2(2), s 021001 . doi: 10.1103/PhysRevApplied.2.021001 Full text in Research Archive
  • Bjørheim, Tor Svendsen; Kuwabara, Akihide & Norby, Truls (2013). Defect Chemistry of Rutile TiO2 from First Principles Calculations. Journal of Physical Chemistry C.  ISSN 1932-7447.  117(11), s 5919- 5930 . doi: 10.1021/jp304146e
  • Bjørheim, Tor Svendsen; Besikiotis, Vasileios & Haugsrud, Reidar (2012). Hydration thermodynamics of pyrochlore structured oxides from TG and first principles calculations. Dalton Transactions.  ISSN 1477-9226.  41(43), s 13343- 13351 . doi: 10.1039/c2dt31517c
  • Bjørheim, Tor Svendsen; Erdal, Skjalg; Johansen, Klaus Magnus H; Knutsen, Knut Erik & Norby, Truls (2012). H and Li Related Defects in ZnO and Their Effect on Electrical Properties. Journal of Physical Chemistry C.  ISSN 1932-7447.  116(44), s 23764- 23772 . doi: 10.1021/jp307835c
  • Bjørheim, Tor Svendsen; Kuwabara, Akihide; Mohn, Chris Erik & Norby, Truls (2012). Defects at the (110) surface of rutile TiO2 from ab initio calculations. International journal of hydrogen energy.  ISSN 0360-3199.  37(9), s 8110- 8117 . doi: 10.1016/j.ijhydene.2011.12.165
  • Bjørheim, Tor Svendsen; Norby, Truls & Haugsrud, Reidar (2012). Hydration and proton conductivity in LaAsO4. Journal of Materials Chemistry.  ISSN 0959-9428.  22(4), s 1652- 1661 . doi: 10.1039/c1jm14192a
  • Polfus, Jonathan Marc; Bjørheim, Tor Svendsen; Norby, Truls & Haugsrud, Reidar (2012). Nitrogen defects in wide band gap oxides: defect equilibria and electronic structure from first principles calculations. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  14(33), s 11808- 11815 . doi: 10.1039/c2cp41378g
  • Vigen, Camilla Kaori; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2012). The role of B-site cations on proton conductivity in double perovskite oxides La2MgTiO6 and La2MgZrO6. International journal of hydrogen energy.  ISSN 0360-3199.  37(9), s 7983- 7994 . doi: 10.1016/j.ijhydene.2011.11.145
  • Bjørheim, Tor Svendsen; Kuwabara, Akihide; Ahmed, Istaq; Haugsrud, Reidar; Stølen, Svein & Norby, Truls (2010). A combined conductivity and DFT study of protons in PbZrO3 and alkaline earth zirconate perovskites. Solid State Ionics.  ISSN 0167-2738.  181(3-4), s 130- 137 . doi: 10.1016/j.ssi.2009.04.013
  • Bjørheim, Tor Svendsen; Stølen, Svein & Norby, Truls (2010). Ab initio studies of hydrogen and acceptor defects in rutile TiO2. Physical Chemistry, Chemical Physics - PCCP.  ISSN 1463-9076.  12(25), s 6817- 6825 . doi: 10.1039/b925823j
  • Erdal, Skjalg; Kongshaug, Camilla; Bjørheim, Tor Svendsen; Jalarvo, Niina Henrietta; Haugsrud, Reidar & Norby, Truls (2010). Hydration of Rutile TiO2: Thermodynamics and Effects on n- and p-Type Electronic Conduction. Journal of Physical Chemistry C.  ISSN 1932-7447.  114(19), s 9139- 9145 . doi: 10.1021/jp101886a

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  • Løken, Andreas; Haugsrud, Reidar; Norby, Truls Eivind & Bjørheim, Tor Svendsen (2017). Hydration thermodynamics of oxides .
  • Xu, Kaiqi; Chatzitakis, Athanasios Eleftherios; Bjørheim, Tor Svendsen & Norby, Truls Eivind (2017). Fuels from the sun, sea and air-by solid-state photoelectrochemical cell.
  • Xu, Kaiqi; Chatzitakis, Athanasios Eleftherios; Bjørheim, Tor Svendsen & Norby, Truls Eivind (2017). Tantalum oxynitride for photoelectrochemical water splitting.
  • Bjørheim, Tor Svendsen; Kotomin, Eugene & Maier, Joachim (2016). Defect chemistry of CeO2 surfaces from first principles and space charge theory.
  • Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Alkauskas, A & Svensson, Bengt Gunnar (2016). Polaronic hole binding by the Zn vacancy in ZnO.
  • Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Sky, Thomas Neset; Vines, Lasse & Svensson, Bengt Gunnar (2016). Reaction diffusion simulation - a link between Experiment and DFT.
  • Johansen, Klaus Magnus H; Sky, Thomas Neset; Vines, Lasse; Frodason, Ymir Kalmann; Riise, Heine Nygard; Bjørheim, Tor Svendsen & Svensson, Bengt Gunnar (2016). The dynamic interplay between intrinsic defects and shallow donor dopants (Al and Ga) in ZnO.
  • Lervik, Adrian; Bjørheim, Tor Svendsen; Nguyen, Phuong Dan; Diplas, Spyridon; Haugsrud, Reidar & Gunnæs, Anette Eleonora (2016). Chemical and Structural Investigations of Grain Boundaries in Y-Doped BaZrO3.
  • Lindman, Anders; Bjørheim, Tor Svendsen & Wahnström, Göran (2016). Defect Intropies at Interfaces in BaZrO3.
  • Liu, Xin; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2016). Hydride migration and electron localization in BaTiO3-xHx oxyhydride.
  • Løken, Andreas; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2016). The detrimental role of acceptor and oxygen vacancy clustering on the hydration and transport properties of proton conducting oxides.
  • Løken, Andreas; Haugsrud, Reidar & Bjørheim, Tor Svendsen (2016). Unravelling the Fundamentals of Thermal and Chemical Expansion of Proton Conducting Oxides.
  • Løken, Andreas; Olsen, Malin Solheim; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2016). The Effect of Clustering of Acceptors and Oxygen Vacancies on the Hydration and Transport of Proton Conducting Oxides.
  • Løken, Andreas; Saeed, Sarmad Waheed; Norderhaug, Marit; Liu, Xin & Bjørheim, Tor Svendsen (2016). Alkali metals as efficient A-site acceptor dopants in proton conducting BaZrO3.
  • Saeed, Sarmad Waheed; Bjørheim, Tor Svendsen & Norby, Truls (2016). Defect Chemistry of BaZrO3 at High Oxygen Partial Pressures.
  • Saeed, Sarmad Waheed; Bjørheim, Tor Svendsen & Norby, Truls (2016). Defect chemistry of BaZrO3/SrTiO3 nanostructures from first principles.
  • Bjørheim, Tor Svendsen (2015). Ab initio studies of functional materials.
  • Bjørheim, Tor Svendsen (2015). Defect thermodynamics from first principles.
  • Bjørheim, Tor Svendsen (2015). Hydration and defect association in BaZrO3.
  • Bjørheim, Tor Svendsen; Kotomin, Eugene & Maier, Joachim (2015). Defect chemistry of CeO2 surfaces from first principles and Space-charge theory.
  • Bjørheim, Tor Svendsen; Kotomin, Eugene & Maier, Joachim (2015). Defect chemistry of CeO2 surfaces from first principles and space-charge theory.
  • Bjørheim, Tor Svendsen; Kotomin, Eugene & Maier, Joachim (2015). Defect chemistry of CeO2 surfaces from first principles calculations and space-charge theory.
  • Bjørheim, Tor Svendsen; Kotomin, Eugene; Maier, Joachim & Saeed, Sarmad Waheed (2015). Defect thermodynamics of BaZrO3 from first principles phonon calculations.
  • Johansen, Klaus Magnus H; Sky, Thomas Neset; Vines, Lasse; Frodason, Ymir Kalmann; Riise, Heine Nygard; Bjørheim, Tor Svendsen & Svensson, Bengt Gunnar (2015). The Interplay between Ga Dopants and Intrinsic Defects in ZnO - Seen from the Diffusion Perspective.
  • Løken, Andreas; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2015). Defect Associations as a Potential Cause for Limiting Proton Concentrations in Acceptor Doped Oxides.
  • Løken, Andreas; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2015). Origins of limiting proton concentrations in acceptor doped oxides.
  • Polfus, Jonathan M.; Bjørheim, Tor Svendsen; Pishahang, Mehdi; Norby, Truls & Bredesen, Rune (2015). Influence of space-charge on the surface defect chemistry of BaZrO3.
  • Saeed, Sarmad Waheed; Bjørheim, Tor Svendsen & Norby, Truls (2015). Defect chemistry of acceptor doped LaCrO3 from first principles calculations.
  • Bjørheim, Tor Svendsen (2014). Defect properties of functional oxides from first principles.
  • Bjørheim, Tor Svendsen (2014). Defect segregation at oxide-water contacts from ab initio calculations.
  • Bjørheim, Tor Svendsen (2014). Defects in oxides from ab initio calculations.
  • Bjørheim, Tor Svendsen; Haugsrud, Reidar; Knee, Christopher & Rahman, Seikh, R. H (2014). Hydration thermodynamics of the oxygen deficient perovskite series BaTi1-xMxO3-d (M=In, Sc).
  • Bjørheim, Tor Svendsen; Kotomin, Eugene; Haugsrud, Reidar & maier, joachim (2014). Defect thermodynamics of BaZrO3 from first principles phonon calculations.
  • Bjørheim, Tor Svendsen; Kotomin, Eugene; Haugsrud, Reidar & Maier, Joachim (2014). Defect thermodynamics of BaZrO3 from first principles phonon calculations.
  • Bjørheim, Tor Svendsen; Toyoura, Kazuaki; Norby, Truls & Haugsrud, Reidar (2014). Proton transport in the langasite family of oxides.
  • Johansen, Klaus Magnus H; Vines, Lasse; Bjørheim, Tor Svendsen; Ramón, Schifano & Svensson, Bengt Gunnar (2014). ZnO as a transparent conductive oxide (TCO) material for solar cells.
  • Johansen, Klaus Magnus H; Vines, Lasse; Bjørheim, Tor Svendsen; Schifano, Ramon & Svensson, Bengt Gunnar (2014). Aluminium Diffusion in Single Crystalline Zinc Oxide.
  • Løken, Andreas; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2014). Hydration thermodynamics of BaCe0.9M0.1O3-δ (M = Sc, Ga, Y, In, Gd and Er): Elucidating effects of dopant choice.
  • Løken, Andreas; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2014). Proton Mobility in BaCe0.9M0.1O3-δ (M = In, Sc, Y and Gd): Addressing the effects of dopant trapping.
  • Bjørheim, Tor Svendsen (2013). Thermodynamic and transport properties of hydrogen in functional, energy related oxides - combining first principles and experimental techniques.
  • Bjørheim, Tor Svendsen; Haugsrud, Reidar & Knee, Christopher (2013). Hydration thermodynamics of the oxygen-deficient perovskite series Ba2M2-xTixO5+x/2(M=Sc, Y, In, Ga).
  • Bjørheim, Tor Svendsen; Haugsrud, Reidar & Norby, Truls (2013). Protons in langasite based piezoelectric oxides.
  • Bjørheim, Tor Svendsen; Johansen, Klaus Magnus H & Norby, Truls (2013). Defect structure of ZnO from first principles calculations.
  • Bjørheim, Tor Svendsen; Løken, Andreas & Kalland, Liv-Elisif Queseth (2013). Tailoring Oxides For Energy Technology. META : Magazine.  (1), s 10- 13
  • Bjørheim, Tor Svendsen & Norby, Truls (2013). Defects in ZnO from first principles calculations.
  • Bjørheim, Tor Svendsen & Norby, Truls (2013). Protonated cation vacancies in binary oxides from first principles calculations.
  • Bjørheim, Tor Svendsen & Norby, Truls (2013). Protonated cation vacancies in binary oxides from first principles calculations.
  • Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Knutsen, Knut Erik; Norby, Truls & Svensson, Bengt Gunnar (2013). Defect Configuration and Migration of in-diffused H and Li in single crystalline ZnO.
  • Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Knutsen, Knut Erik; Norby, Truls & Svensson, Bengt Gunnar (2013). Li and H related defects in ZnO.
  • Johansen, Klaus Magnus H; Vines, Lasse; Bjørheim, Tor Svendsen; Ramón, Schifano & Svensson, Bengt Gunnar (2013). Aluminium Diffusion and Solubility in Single Crystalline Zinc Oxide.
  • Bjørheim, Tor Svendsen; Besikiotis, Vasileios & Haugsrud, Reidar (2012). Defects and hydration in rare earth pyrochlore structured oxides: A combined DFT and TG study.
  • Bjørheim, Tor Svendsen; Mohn, Chris Erik & Norby, Truls (2012). Defect chemistry of rutile TiO2 from first principles calculations.
  • Bjørheim, Tor Svendsen & Norby, Truls (2012). Defect chemistry and first principles calculations.
  • Bjørheim, Tor Svendsen; Norby, Truls Eivind; Haugsrud, Reidar & Stølen, Svein (2012). Hydrogen in oxides – First principles and experimental studies of incorporation, complex formation, exotic species, and transport properties .
  • Mohn, Chris Erik; Bjørheim, Tor Svendsen & Kalland, Liv-Elisif Queseth (2012). Modelling fuel cells for the future. META : Magazine.  3, s 30- 33
  • Polfus, Jonathan Marc; Bjørheim, Tor Svendsen; Norby, Truls & Haugsrud, Reidar (2012). The role of nitrogen in binary and ternary oxides: Defects and electronic structure.
  • Bjørheim, Tor Svendsen; Erdal, Skjalg; Johansen, Klaus Magnus H; Knutsen, Knut Erik & Norby, Truls (2011). Effect of water vapor on the electrical properties of Li doped ZnO.
  • Bjørheim, Tor Svendsen & Norby, Truls (2011). Defect chemistry of rutile TiO2 from ab initio calculations.
  • Norby, Truls; Bjørheim, Tor Svendsen & Erdal, Skjalg (2011). Effects of protons on ZnO and TiO2.
  • Besikiotis, Vasileios; Bjørheim, Tor Svendsen; Ricote, Sandrine; Kjølseth, Christian; Haugsrud, Reidar & Norby, Truls (2010). Thermodynamics and proton conductivity trends in fluorite-pyrochlore structures: A study on lanthanum cerate.
  • Bjørheim, Tor Svendsen (2010). Solid State Protonic Conductors 15, Santa Barbara, USA. Kjemi.  ISSN 0023-1983.  70(7/8), s 16- 18
  • Bjørheim, Tor Svendsen; Haugsrud, Reidar & Norby, Truls (2010). Hydration and protonic conductivity in LaAsO4.
  • Bjørheim, Tor Svendsen; Norby, Truls; Kuwabara, Akihide & Fischer, Craig (2010). TiO2 : Bulk and surfaces - a DFT study.
  • Bjørheim, Tor Svendsen; Polfus, Jonathan Marc & Norby, Truls (2010). DFT at the Norby group: Defects, transport and disorder.
  • Huse, Morten; Bjørheim, Tor Svendsen & Haugsrud, Reidar (2010). Proton conductivity in acceptor doped LaVO4.
  • Bjørheim, Tor S (2009). A combined conductivity and DFT study of protons in PbZrO3 and alkaline earth zirconate perovskites.
  • Bjørheim, Tor S; Stølen, Svein & Norby, Truls (2009). Hydrogen in rutile TiO2: A DFT study.
  • Erdal, Skjalg; Bjørheim, Tor S & Kongshaug, Camilla (2009). Neutral Hydrogen in Oxides and the search for it.
  • Erdal, Skjalg; Bjørheim, Tor S & Kongshaug, Camilla (2009). Neutral hydrogen in oxides and the search for it.
  • Bjørheim, Tor S; Kuwabara, Akihide; Ahmed, Istaq; Haugsrud, Reidar; Stølen, Svein & Norby, Truls (2008). A combined conductivity and DFT study of protons in PbZrO3 and AZrO3 (A=Ca,Sr,Ba).
  • Bjørheim, Tor Svendsen (2008). Modelling of defects: DFT and alternative methods.

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Published Nov. 11, 2010 9:00 AM - Last modified June 27, 2011 10:16 AM