Research & Development

• J. Gurauskis, Ø. F. Lohne, D. S. Lagergren, E. T. Wefring, K. Wiik

Oxygen permeation in symmetric and asymmetric La_0.2Sr_0.8Fe_0.8Ta_0.2O₃ membranes.

J. Eur. Ceram. Soc. (2016) In press. DOI:10.1016/j.jeurceramsoc.2016.01.004.

• M. G. Sahini, J. R. Tolchard, K. Wiik, T. Grande

High temperature X-ray diffraction and thermo-gravimetrical analysis of the cubic perovskite Ba_0.5Sr_0.5Co_0.8Fe_0.2O_3-δ in different atmospheres

Dalton. Trans. 44 (2015) 10875-10881.

• A. K. E. Andersson, S. M. Selbach, T. Grande, C. S. Knee

Thermal evolution of the crystal structure of proton conducting BaCe_0.8Y_0.2O_3-δ from high-resolution neutron diffraction in dry and humid atmosphere

Dalton Trans. 44 (2015) 10834-10846.

• T.E. Loland, J. Sele, M.-A. Einarsrud, P.E. Vullum, M. Johnsson, K. Wiik

Thermal Conductivity of A-Site Cation-Deficient La-Substituted SrTiO₃ Produced by Spark Plasma Sintering

Energy Harvesting and Systems 2 (2015) 63-71.

• T. Norby, A. Magrasó

On the development of proton conducting fuel cells based on Ca-doped LaNbO₄ as electrolyte

Journal of Power Sources 282 (2015) 28-33.

• X. Chen, M.-A. Einarsrud, T. Grande

Aqueous tape casting and mechanical properties of La₂NiO_4+d dense membranes

J. Eur. Ceram. Soc. 35 (2015) 309-215.

• A. B. Haugen, F. Madaro, L.-P. Bjørkeng, T. Grande, M.-A. Einarsrud

Sintering of sub-micron K_0.5Na_0.5NbO₃ powders fabricated by spray pyrolysis

J. Eur. Ceram. Soc. 35 (2015) 1449-1457.

• A. B. Haugen, G. H. Olsen, F. Madaro, M. I. Morozov, G. Tutuncu, J. L. Jones, T. Grande, M.-A. Einarsrud

Piezoelectric K_0.5Na_0.5NbO₃ ceramics textured using needlelike K_0.5Na_0.5NbO₃ templates

J. Am. Ceram. Soc. 97 (2014) 3818-3825.

• A. Hornes, M. Torchietto, G. Syvertsen-Wiig, R. Costa

Chemical and structural stability of SrTiO₃-based materials under SOFC anode operating conditions

Proceedings of 11th EFCF, Ch. 12 B06 (2014) 145-151.

• A. Magrasó,  M.-L. Fontaine, R. Bredesen, R.Haugsrud, T. Norby

Cathode compatibility, operation, and stability of LaNbO₄-based proton conducting fuel cells

Solid State Ionics, 262 (2014) 382-387.

• V. Gil, J. Gurauskis, M.-A. Einarsrud

Asymmetric supported dense lanthanum tungstate membranes

J. Eur. Ceram. Soc. 34 (2014) 3783-3790.

• V. Middelkoop, H. Chen, B. Michielsen, M. Jacobs, G. Syvertsen-Wiig, G.b, M. Mertens, A. Buekenhoudt, F. Snijkers

Development and characterisation of dense lanthanum-based perovskite oxygen-separation capillary membranes for high-temperature applications

J. Membr. Sci. 468 (2014) 250-258.

• Ø. F. Lohne, T. N. Phung, T. Grande, H. J. M. Bouwmeester, P. V. Hendriksen, M. Søgaard and K. Wiik

Oxygen non-stoichiometry and electrical conductivity of La_0.2Sr_0.8Fe_0.8B_0.2O_3-λ, B = Fe, Ti, Ta

J. Electrochem. Soc. 161 (2014) 176-184.

• A. K. E. Andersson, S. M. Selbach, C. S. Knee, T. Grande

Chemical expansion due to hydration of proton-conducting perovskite oxide ceramics

J. Am. Ceram. Soc. 97 (2014) 2654-2661.

• V. Gil, J. Gurauskis, C. Kjølseth, K. Wiik, M.-A. Einarsrud

Hydrogen permeation in asymmetric La_28−xW_4+xO_54+3x/2 membranes

Int. J. Hydrogen Energy 38 (2013) 3087.

• N. Čebašek, R. Haugsrud and T. Norby

Determination of inter-diffusion coefficients for the A- and B-site in the A₂BO_4+δ (A = La, Nd and B = Ni, Cu) system

Solid State Ionics 231 (2013) 74-80.

• V. Gil, R. A. Strøm, L. J. Groven and M.-A. Einarsrud

La_28−xW_4+xO_54+3x/2 Powders Prepared by Spray Pyrolysis

J. Am. Ceram. Soc. 95 (2012) 3403-3407.

• Ø. F. Lohne, J. Gurauskis, T. N. Phung, M.-A. Einarsrud, T. Grande, H. J. M. Bouwmeester and K. Wiik

Effect of B-site substitution on the stability of La_0.2Sr_0.8Fe_0.8B_0.2O_3-d, B = Al, Ga, Cr, Ti, Ta, Nb

Solid State Ionics 225 (2012) 186-189.

• W. Xing, G. E. Syvertsen, T. Grande, Z. Li and R. Haugsrud

Hydrogen permeation, transport properties and microstructure of Ca-doped LaNbO₄ and LaNb₃O₉ composites

J. Membr. Sci. 415-416 (2012) 878-885.

• G. E. Syvertsen, A. Magrasó, R. Haugsrud, M.-A. Einarsrud and T. Grande

The effect of cation non-stoichiometry in LaNbO₄ materials

Int. J. Hydrogen Energy 37 (2012) 8017–8026.

• J. Gurauskis, Ø. F. Lohne, H. L. Lein and K. Wiik

Processing of thin film ceramic membranes for oxygen separation

J. Eur. Ceram. Soc. 32 (2012) 649-655.

• M Weirich, J. Gurauskis, V. Gil, K. Wiik and M.-A. Einarsrud

Preparation of lanthanum tungstate membranes by tape casting technique

Int. J. Hydrogen Energy 37 (2012) 8056–8061.

• G. E. Syvertsen, C. Estournes, H. Fjeld, R. Haugsrud, M.-A. Einarsrud and T. Grande

Spark Plasma Sintering and Hot Pressing of Hetero-Doped LaNbO₄

J. Am. Ceram. Soc. 95 (2012) 1563-1571.

• T. Grande, J. R. Tolchard and S. M. Selbach

Anisotropic Thermal and Chemical Expansion in Sr-Substituted LaMnO_3+d: Implications for Chemical Strain Relaxation

Chem. Mater. 24 (2012) 338-345.

• M. Palcut, R. Knibbe, K. Wiik and T. Grande

Cation inter-diffusion between LaMnO₃ and LaCoO₃ materials

Solid State Ionics 202 (2011) 6-13.

• A. Magrasó, M.-L. Fontaine, Y. Larring, R. Bredesen, G.E. Syvertsen, H.L. Lein, T. Grande, M. Huse, R. Strandbakke, R. Haugsrud and T. Norby

Development of proton conducting SOFCs based on LaNbO₄ electrolyte - Status in Norway

Fuel Cells 11 (2011) 17-25.

• P. I. Dahl, H. L. Lein, Y. Yu, J. Tolchard, T. Grande, M.-A. Einarsrud, C. Kjølseth, T. Norby and R. Haugsrud

Microstructural characterization and electrical properties of spray pyrolyzed conventionally sintered or hot-pressed BaZrO₃ and BaZr_0.9Y_0.1O_3-d

Solid State Ionics 182 (2011) 32-40.

• A. B. Haugen, I. Kumakiri, C. Simon and M.-A. Einarsrud

TiO₂, TiO₂/Ag and TiO₂/Au photocatalysts prepared by spray pyrolysis

J. Eur. Ceram. Soc. 31 (2011) 291-298.

• C. Kjølseth, H. Fjeld, Ø. Prytz, P. I. Dahl, C. Estournès, R. Haugsrud and T. Norby

Space–charge theory applied to the grain boundary impedance of proton conducting BaZr_0.9Y_0.1O_3-d

Solid State Ionics 181 (2010) 267-275.

• E. Bartonickova, K. Wiik, K. Maca, H. L. Lein and E. A. Rudberg

Synthesis and oxygen transport properties of La_0.2Sr_0.8Fe_1-xTi_xO_3-d (x = 0.2, 0.4) intended for syn-gas production

J. Eur. Ceram. Soc. 30 (2010) 605-611.

• R.M.L. Werchmeister , K.K. Hansen and M. Mogensen

Electrochemical removal of NO_x with porous cell stacks

Mat. Res. Bull. 45 (2010) 1554–1561.

• A. Magrasó, H. Xuriguera, M. Varela, M.F. Sunding, R. Strandbakke, R. Haugsrud, and T. Norby

Novel Fabrication of Ca-Doped LaNbO₄ Thin-Film Proton-Conducting Fuel Cells by Pulsed Laser Deposition

J. Am. Cer. Soc. 93 (2010) 1874–1878.

• J.X. Yi, H. L. Lein, T. Grande, S. Yakovlev and H.J.M. Bouwmeester

High-temperature compressive creep behaviour of the perovskite-type oxide Ba_0.5Sr_0.5Co_0.8Fe_0.2O_3-d

Solid State Ionics 180 (2009) 1564-1568.

• T. Mokkelbost, H. L. Lein, P. E. Vullum, R. Holmestad, T. Grande and M.-A. Einarsrud

Thermal and mechanical properties of LaNbO₄-based ceramics

Ceram. Int. 35 (2009) 2877-2883.

• J. R. Tolchard, H. L. Lein and T. Grande

Chemical compatibility of proton conducting LaNbO₄ electrolyte with potential oxide cathodes

J. Europ. Ceram. Soc. 29 (2009) 2823-2830.

• M.-L. Fontaine, Y. Larring, R. Haugsrud, T. Norby, K. Wiik, R. Bredesen

Novel high temperature proton conducting fuel cells: Production of La_0.995Sr_0.005NbO_4−d electrolyte thin films and compatible cathode architectures

J. Power Sources 188 (2009) 106-113.

• M. L. Fontaine, Y. Larring, J.B. Smith, H. Raeder, Ø. S. Andersen, M.-A. Einarsrud, K. Wiik, R. Bredesen

Shaping of advanced asymmetric structures of proton conducting ceramic materials for SOFC and membrane-based process applications

J. Eur. Ceram. Soc. 29 (2009) 931-935.

• M.-L. Fontaine, J.B. Smith, Y. Larring and R. Bredesen

On the preparation of asymmetric CaTi_0.9Fe_0.1O_3−δ membranes by tape-casting and co-sintering process

Journal of Membrane Science, 326 (2009) 310-315

• M.-L. Fontaine, Y. Larring, R. Haugsrud, T. Norby, K. Wiik and R. Bredesen

Novel high temperature proton conducting fuel cells: Production of La_0.995Sr_0.005NbO_4−δ electrolyte thin films and compatible cathode architectures

Journal of Power Sources 188 (2008) 106-113

• M. Palcut, J. S. Christensen , K. Wiik, T. Grande

Impurity diffusion of 141Pr in LaMnO₃, LaCoO₃ and LaFeO₃ materials

Phys. Chem. Chem. Phys. 10 (2008) 6544-6552.

• F. Vullum, T. Grande

Oxidation Driven Decomposition of CeNbO₄ in Pure Oxygen

Chem. Mater. 20 (2008) 5434-5437.

• P. E. Vullum, H. L. Lein, M. A. Einarsrud, T. Grande, R. Holmestad

TEM observations of rhombohedral and monoclinic domains in LaCoO₃-based ceramics

Phil. Mag. 88 (2008) 1187-1208.

• H. L. Lein, T. Tezuka, T. Grande, M.-A. Einarsrud

Asymmetric proton conducting oxide membranes and fuel cells prepared by aqueous tape casting

Solid State Ionics 179 (2008) 1146-1150.

• F. Vullum, T. Grande

Oxygen stoichiometry and transport properties of cerium niobate

Solid State Ionics 179 (2008) 1061-1065.

• S. Svarcová, K. Wiik, J. Tolchard, H. J. M. Bouwmeester, T. Grande

Structural instability of cubic perovskite Ba_xSr_1-xCo_1-yFe_yO_3-d

Solid State Ionics 178 (2008) 1787-1791.

• T. Mokkelbost, I. Kaus, R. Haugsrud, T. Norby, T. Grande, M.-A. Einarsrud

High-temperature proton-conducting lanthanum ortho-niobate-based materials. Part II: Sintering properties and solubility of alkaline earth oxides

J. Am. Ceram. Soc. 91 (2008) 879-886.

• P. E. Vullum, R. Holmestad, H. L. Lein, J. Mastin, M.-A. Einarsrud, T. Grande

Monoclinic ferroelastic domains in LaCoO₃-based perovskites

Adv. Mater. 19 (2007) 4399-4403.

• T. Mokkelbost, Ø. Andersen, R.A. Strøm, K. Wiik, T. Grande, M.-A. Einarsrud

High temperature proton conducting LaNbO₄-based materials. Powder synthesis by spray pyrolysis

J. Am. Ceram. Soc. 90 [11] (2007) 3395-3400.

• P.I. Dahl, R. Haugsrud, H.L. Lein, T. Grande, T. Norby, M.-A. Einarsrud

Synthesis, densification and electrical properties of strontium cerate ceramics

J. Eur. Ceram. Soc. 27 [16] (2007) 4461-4471.

• J. Tolchard, T. Grande

Physiochemical compatibility of SrCeO₃ with potential SOFC cathodes

J. Solid State Chem. 180 [10] (2007) 2808-2815.

• P. E. Vullum, A.T.J. van Helvoort, R. Holmestad, J. Mastin, Ø. Andersen, M.-A. Einarsrud, T. Grande

Grain boundary analysis and secondary phases in LaCoO₃-based perovskites

J. Mater. Sci. 42 [15] (2007) 6267-6273.

• J. Tolchard, T. Grande

Chemical compatibility of candidate oxide cathodes for BaZrO₃ electrolytes

Solid State Ionics 178 (2007) 593-599.

• J. Mastin, M.-A. Einarsrud and T. Grande

Structural and thermal properties of La_1-xSr_xCoO_3-d (0=x=0.4)

Chem. Mater. 18 (2006) 6047-6053.

• P.E. Vullum, J. Mastin, J. Wright, M.-A. Einarsrud, R. Holmestad, T. Grande

In situ synchrotron X-ray diffraction of ferroelastic La_0.8Ca_0.2CoO₃ ceramics during uniaxial compression

Acta Mater. 54 (10) (2006) 2615-2624.