2025

• Småbråten, Didrik Rene; Danmo, Frida Hemstad; Gaukås, Nikolai Helth; Singh, Sathya Prakash; Kanas, Nikola; Meier, Dennis. (2025) Controlling electronic properties of hexagonal manganites through aliovalent doping and thermoatmospheric history. PHYSICAL REVIEW MATERIALS
  Academic article
• Kaitheri, Amruth; Ofstad, Johannes; Panduro, Elvia Anabela Chavez; Oppegård, Martin; Padmanabhan, Sanosh Kunjalukkal; Pal, Sudipto. (2025) Evaluation of Boron Carbide powder stability under accelerated aging. Open Ceramics
  Academic article

2023

• Fagerli, Frode Håskjold; Vullum, Per Erik; Grande, Tor; Wang, Zhaohui; Selbach, Sverre Magnus; Wiik, Kjell. (2023) Bulk substitution of F-terminations from Ti3C2Tx MXene by cation pillaring and gas hydrolysation. FlatChem - Chemistry of Flat Materials
  Academic article
• Fagerli, Frode Håskjold; Wagner, Nils Peter; Wiik, Kjell; Grande, Tor; Wang, Zhaohui; Selbach, Sverre Magnus. (2023) A study on multilayered MXenes for rechargeable battery electrodes through surface termination control. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Tabeshfar, Mohadese; Dini, Ghasem; Salehi, Mehdi; Wiik, Kjell. (2023) Oxidation Behavior of Single-Layer Gd2Zr2O7, and Gd2Zr2O7/YbSZ, and Double-Layer YSZ + Gd2Zr2O7/YbSZ Thermal Barrier Coatings. Oxidation of Metals
  Academic article

2022

• Fagerli, Frode Håskjold; Wang, Zhaohui; Grande, Tor; Kaland, Henning; Selbach, Sverre Magnus; Wagner, Nils Peter. (2022) Removing fluoride-terminations from multilayered V2CTx MXene by gas hydrolyzation. ACS Omega
  Academic article
• Singh, Sathya Prakash; Kanas, Nikola; Einarsrud, Mari-Ann; Wiik, Kjell. (2022) The effect of alkaline earth metal substitution on thermoelectric properties of A<inf>0.98</inf>La<inf>0.02</inf>MnO<inf>3-δ</inf> (A = Ca, Ba). Processing and Application of Ceramics (PAC)
  Academic article
• Sahini, Mtabazi Geofrey; Wiik, Kjell; Grande, Tor. (2022) Cation inter-diffusion and formation of intermediate phases in CoO and La2NiO4+d diffusion couples. Materials Letters
  Academic article
• Kanas, Nikola; Williamson, Benjamin; Steinbach, Frank; Hinterding, Richard; Einarsrud, Mari-Ann; Selbach, Sverre Magnus. (2022) Tuning the Thermoelectric Performance of CaMnO<inf>3</inf>-Based Ceramics by Controlled Exsolution and Microstructuring. ACS Applied Energy Materials
  Academic article

2021

• Tabeshfar, Mohadese; Salehi, Mehdi; Dini, Ghasem; He, Jianying; Einarsrud, Mari-Ann; Wiik, Kjell. (2021) Phase relations and thermomechanical properties of (Gd2Zr2O7)1-x(YbSZ)x based thermal barrier coatings (0 ≤x≤ 0.98). Journal of Materials Research
  Academic article
• Kaland, Henning; Fagerli, Frode Håskjold; Hadler-Jacobsen, Jacob; Zhao-Karger, Zhirong; Fichtner, Maximilian; Wiik, Kjell. (2021) Performance Study of MXene/Carbon Nanotube Composites for Current Collector- and Binder-Free Mg-S Batteries. ChemSusChem
  Academic article

2020

• Kanas, Nikola; Skomedal, Gunstein; Desissa, Temesgen D.; Feldhoff, Armin; Grande, Tor; Wiik, Kjell. (2020) Performance of a thermoelectric module based on n-type (La0.12Sr0.88)0.95TiO3-δ and p-type Ca3Co4-xO9+δ. Journal of Electronic Materials
  Academic article
• Kaland, Henning; Hadler-Jacobsen, Jacob; Fagerli, Frode Håskjold; Wagner, Nils Peter; Wang, Zhaohui; Selbach, Sverre Magnus. (2020) Are MXenes Suitable as Cathode Materials for Rechargeable Mg Batteries?. Sustainable Energy & Fuels
  Academic article
• Tabeshfar, Mohadese; Salehi, Mehdi; Dini, Ghasem; Dahl, Paul Inge; Einarsrud, Mari-Ann; Wiik, Kjell. (2020) Hot corrosion of Gd2Zr2O7, Gd2Zr2O7/YbSZ, YSZ+Gd2Zr2O7/YbSZ, and YSZ thermal barrier coatings exposed to Na2SO4+V2O5. Surface & Coatings Technology
  Academic article
• Kanas, Nikola; Bjørk, Rasmus; Wells, Kristin Høydalsvik; Schuler, Raphael; Einarsrud, Mari-Ann; Pryds, Nini. (2020) Time-enhanced performance of oxide thermoelectric modules based on a hybrid p-n junction. ACS Omega
  Academic article
• Kaland, Henning; Hadler-Jacobsen, Jacob; Fagerli, Frode Håskjold; Wagner, Nils Peter; Schnell, Sondre Kvalvåg; Wiik, Kjell. (2020) Dipentamethylene thiuram tetrasulfide-based cathodes for rechargeable magnesium batteries. ACS Applied Energy Materials
  Academic article
• Gunnæs, Anette Eleonora; Tofan, Raluca; Berland, Kristian; Gorantla, Sandeep Madhukar; Storaas, Thomas Aarflot; Desissa, Temesgen Debelo. (2020) Chemical stability of Ca3Co4−xO9+δ/CaMnO3−δ p–n junction for oxide-based thermoelectric generators. RSC Advances
  Academic article

2019

• Singh, Sathya Prakash; Kanas, Nikola; Desissa, Temesgen Debelo; Johnsson, Mats; Einarsrud, Mari-Ann; Norby, Truls Eivind. (2019) Thermoelectric properties of A-site deficient La-doped SrTiO3 at 100–900 °C under reducing conditions. Journal of the European Ceramic Society
  Academic article
• Kanas, Nikola; Singh, Sathya Prakash; Rotan, Magnus; Desissa, Temesgen Debelo; Grande, Tor; Wiik, Kjell. (2019) Thermoelectric Properties of Ca3Co2−xMnxO6 (x = 0.05, 0.2, 0.5, 0.75, and 1). Materials
  Academic article
• Ruhl, Rian; Song, Jia; Thoréton, Vincent; Singh, Sathya Prakash; Wiik, Kjell; Larring, Yngve. (2019) Structure, electrical conductivity and oxygen transport properties of perovskite-type oxides CaMn1−x−yTixFeyO3−δ. Physical Chemistry, Chemical Physics - PCCP
  Academic article
• Bittner, Michael; Kanas, Nikola; Hinterding, Richard; Steinbach, Frank; Groeneveld, Dennis; Wemhoff, Piotr. (2019) Triple-phase ceramic 2D nanocomposite with enhanced thermoelectric properties. Journal of the European Ceramic Society
  Academic article
• Singh, Sathya Prakash; Kanas, Nikola; Desissa, Temesgen Debelo; Einarsrud, Mari-Ann; Norby, Truls Eivind; Wiik, Kjell. (2019) Thermoelectric properties of non-stoichiometric CaMnO3-d composites formed by redox-activated exsolution. Journal of the European Ceramic Society
  Academic article
• Bittner, Michael; Kanas, Nikola; Hinterding, Richard; Steinbach, Frank; Räthel, Jan; Schrade, Matthias. (2019) A comprehensive study on improved power materials for high-temperature thermoelectric generators. Journal of Power Sources
  Academic article
• Skomedal, Gunstein; Vehus, Tore; Kanas, Nikola; Singh, Sathya Prakash; Einarsrud, Mari-Ann; Wiik, Kjell. (2019) Long term stability testing of oxide unicouple thermoelectric modules. Materials Today: Proceedings
  Academic article
• Talic, Belma; Hendriksen, Peter Vang; Wiik, Kjell; Lein, Hilde Lea. (2019) Diffusion couple study of the interaction between Cr2O3 and MnCo2O4 doped with Fe and Cu. Solid State Ionics
  Academic article

2018

• Singh, Sathya Prakash; Wiik, Kjell. (2018) Development of oxides with n-type electronic conductivity for applications in high temperature thermoelectric generators (TEGs). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Desissa, Temesgen D.; Haugsrud, Reidar; Wiik, Kjell; Norby, Truls Eivind. (2018) Inter-diffusion across a direct p-n heterojunction of Li-doped NiO and Al-doped ZnO. Solid State Ionics
  Academic article
• Desissa, Temesgen D.; Kanas, Nikola; Singh, Sathya Prakash; Wiik, Kjell; Einarsrud, Mari-Ann; Norby, Truls Eivind. (2018) Chemical tracer diffusion of Sr and Co in polycrystalline Ca-deficient CaMnO3-δ with CaMn2O4 precipitates. Physical Chemistry, Chemical Physics - PCCP
  Academic article
• Kanas, Nikola; Singh, Sathya Prakash; Rotan, Magnus; Saleemi, Mohsin; Bittner, Michael; Feldhoff, Armin. (2018) Influence of processing on stability, microstructure and thermoelectric properties of Ca3Co4-xO9+δ. Journal of the European Ceramic Society
  Academic article
• Kanas, Nikola; Bittner, Michael; Desissa, Temesgen Debelo; Singh, Sathya Prakash; Norby, Truls Eivind; Feldhoff, Armin. (2018) All-Oxide Thermoelectric Module with in Situ Formed Non-Rectifying Complex p-p-n Junction and Transverse Thermoelectric Effect. ACS Omega
  Academic article
• Talic, Belma; Hendriksen, Peter Vang; Wiik, Kjell; Lein, Hilde Lea. (2018) Thermal expansion and electrical conductivity of Fe and Cu doped MnCo2O4 spinel. Solid State Ionics
  Academic article

2017

• Ledezma, Katinka Ervig; Wiik, Kjell. (2017) The relation between microstructure and thermoelectric properties in Ta-substituted A-site deficient CaMnO3. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Masters thesis
• Thoréton, Vincent; Darell, Ove; Spjelkavik, Aud I.; Sunding, Martin Fleissner; Mokkelbost, Tommy; Pishahang, Mehdi. (2017) Manufacturing of perovskite oxygen carriers by spray granulation for chemical looping combustion. Energy Technology
  Academic article
• Thoréton, Vincent; Pishahang, Mehdi; Mokkelbost, Tommy; Wiik, Kjell; Larring, Yngve. (2017) Microstructural stability of tailored CaMn0.875−xFexTi0.125O3−δ perovskite oxygen carrier materials for chemical looping combustion. Energy Technology
  Academic article
• Talic, Belma; Molin, Sebastian; Wiik, Kjell; Hendriksen, Peter Vang; Lein, Hilde Lea. (2017) Comparison of iron and copper doped manganese cobalt spinel oxides as protective coatings for solid oxide fuel cell interconnects. Journal of Power Sources
  Academic article
• Talic, Belma; Falk-Windisch, Hannes; Venkatachalam, Vinothini; Hendriksen, Peter Vang; Wiik, Kjell; Lein, Hilde Lea. (2017) Effect of coating density on oxidation resistance and Cr vaporization from solid oxide fuel cell interconnects. Journal of Power Sources
  Academic article

2016

• Gurauskis, Jonas; Lohne, Ørjan Fossmark; Lagergren, Dan Stræte; Wefring, Espen Tjønneland; Wiik, Kjell. (2016) Oxygen permeation in symmetric and asymmetric La0.2Sr0.8Fe0.8Ta0.2O3-d membranes. Journal of the European Ceramic Society
  Academic article
• Gómez, S. Y.; Gurauskis, Jonas; Øygarden, Vegar; Hotza, D.; Grande, Tor; Wiik, Kjell. (2016) Synthesis and oxygen transport properties of La2 − ySryNi1 − xMoxO4 + δ. Solid State Ionics
  Academic article
• Talic, Belma; Lein, Hilde Lea; Wiik, Kjell; Hendriksen, Peter Vang. (2016) Metallic Interconnects for Solid Oxide Fuel Cells: High Temperature Corrosion and Protective Spinel Coatings. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Bittner, Michael; Geppert, Benjamin; Kanas, Nikola; Singh, Sathya Prakash; Wiik, Kjell; Feldhoff, Armin. (2016) Oxide-Based Thermoelectric Generator for High-Temperature Application Using p-Type Ca3Co4O9 and n-Type In1.95Sn0.05O3 Legs. Energy Harvesting and Systems
  Academic article

2015

• Loland, Thomas Emdal; Sele, Jaran; Einarsrud, Mari-Ann; Vullum, Per Erik; Johnsson, Mats; Wiik, Kjell. (2015) Thermal Conductivity of A-site Cation-Deficient La-Substituted SrTiO3 Produced by Spark Plasma Sintering. Energy Harvesting and Systems
  Academic article
• Mazur, Natalia Maria; Wiik, Kjell. (2015) Microstructural design of CaMnO3 and its thermoelectric properties. NTNU NTNU
  Masters thesis
• Sahini, Mtabazi Geofrey; Tolchard, Julian R; Wiik, Kjell; Grande, Tor. (2015) High temperature X-ray diffraction and thermo-gravimetrical analysis of the cubic perovskite Ba0.5Sr0.5Co0.8Fe0.2O3-δ under different atmospheres. Dalton Transactions
  Academic article

2014

• Bernhardt, Markus; Justnes, Harald; Tellesbø, Hilde; Wiik, Kjell. (2014) The effect of additives on the properties of lightweight aggregates produced from clay. Cement & Concrete Composites
  Academic article
• Loland, Thomas Emdal; Wiik, Kjell. (2014) Thermoelectric Properties of A-site Deficient Lanthanum Substituted Strontium Titanate. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Masters thesis
• Bernhardt, Markus; Tellesbø, Hilde; Justnes, Harald; Wiik, Kjell. (2014) The effect of heat treatment and cooling rate on the properties of lightweight aggregates. Journal of the European Ceramic Society
  Academic article
• Bernhardt, Markus; Tellesbø, Hilde; Justnes, Harald; Wiik, Kjell. (2014) Fibre reinforced lightweight aggregates. Journal of the European Ceramic Society
  Academic article
• Lohne, Ørjan Fossmark; Phung, Tan Nhut; Grande, Tor; Bouwmeester, Henny J. M.; Hendriksen, Peter Vang; Søgaard, Martin. (2014) Oxygen Non-Stoichiometry and Electrical Conductivity of La0.2Sr0.8Fe0.8B0.2O3 − δ, B = Fe, Ti, Ta. Journal of the Electrochemical Society
  Academic article

2013

• Lohne, Ørjan Fossmark; Wiik, Kjell; Grande, Tor; Lein, Hilde Lea; Bouwmeester, Henny J. M.. (2013) Stability and oxygen transport properties of B-site substituted Lanthanum stronitum [sic.] ferrite. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2013:310)
  Doctoral dissertation
• Hernandez, Vanesa Gil; Gurauskis, Jonas; Kjølseth, Christian; Wiik, Kjell; Einarsrud, Mari-Ann. (2013) Hydrogen permeation in asymmetric La28-xW4+xO54+3x/2 membranes. International Journal of Hydrogen Energy
  Academic article
• Lohne, Ørjan Fossmark; Søgaard, Martin; Wiik, Kjell. (2013) The Significance of Gas-Phase Mass Transport in Assessment of k(chem) and D-chem. Journal of the Electrochemical Society
  Academic article
• Bernhardt, Markus; Tellesbø, Hilde; Justnes, Harald; Wiik, Kjell. (2013) Mechanical properties of lightweight aggregates. Journal of the European Ceramic Society
  Academic article
• Danner, Tobias; Justnes, Harald; Wiik, Kjell. (2013) Reactivity of Calcined Clays. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2013:218)
  Doctoral dissertation
• Bernhardt, Markus; Wiik, Kjell; Justnes, Harald; Tellesbø, Hilde. (2013) Development of high performance lightweight aggregates. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2013:223)
  Doctoral dissertation

2012

• Gurauskis, Jonas; Lohne, Otto; Wiik, Kjell. (2012) La0.2Sr0.8Fe0.8Ta0.2O3 (-) (delta) based thin film membranes with surface modification for oxygen production. Solid State Ionics
  Academic article
• Lohne, Ørjan Fossmark; Gurauskis, Jonas; Phung, Tan Nhut; Einarsrud, Mari-Ann; Grande, Tor; Bouwmeester, Henny J. M.. (2012) Effect of B-site substitution on the stability of La0.2Sr0.8Fe0.8B0.2O3-delta, B = Al, Ga, Cr, Ti, Ta, Nb. Solid State Ionics
  Academic article
• Gurauskis, Jonas; Lohne, Ørjan Fossmark; Lein, Hilde Lea; Wiik, Kjell. (2012) Processing of thin film ceramic membranes for oxygen separation. Journal of the European Ceramic Society
  Academic article
• Weirich, Manuel; Gurauskis, Jonas; Hernandez, Vanesa Gil; Wiik, Kjell; Einarsrud, Mari-Ann. (2012) Preparation of lanthanum tungstate membranes by tape casting technique. International Journal of Hydrogen Energy
  Academic article

2011

• Wærnhus, Ivar; Grande, Tor; Wiik, Kjell. (2011) Surface Exchange of Oxygen in La1-xSrxFeO3-delta (x=0, 0.1). Topics in catalysis
  Academic article
• Palcut, Marián; Knibbe, RA; Wiik, Kjell; Grande, Tor. (2011) Cation inter-diffusion between LaMnO3 and LaCoO3 materials. Solid State Ionics
  Academic article

2010

• Bartonickova, Eva; Wiik, Kjell; Maca, Karel; Lein, Hilde Lea; Rudberg, Espen André. (2010) Synthesis and oxygen transport properties of La0.2Sr0.8Fe1-xTixO3-d (x=0.2, 0.4) intended for syn-gas production. Journal of the European Ceramic Society
  Academic article

2009

• Bartonickova, E.; Wiik, Kjell; Maca, K.; Lein, Hilde Lea; Rudberg, Espen André. (2009) Synthesis and oxygen transport properties of La0.2Sr0.8Fe1−xTixO3−δ (x = 0.2, 0.4) intended for syn-gas production. Journal of the European Ceramic Society
  Academic article
• Fontaine, M.L.; Larring, Y.; Haugsrud, R; Norby, T; Wiik, Kjell; Bredesen, R. (2009) Novel high temperature proton conducting fuel cells: Production of La0.995Sr0.005NbO4-delta electrolyte thin films and compatible cathode architectures. Journal of Power Sources
  Academic article
• Fontaine, M.L.; Larring, Y.; Smith, J.B.; Raeder, H.; Andersen, Øystein Skottun; Einarsrud, Mari-Ann. (2009) Shaping of advanced asymmetric structures of proton conducting ceramic materials for SOFC and membrane-based process applications. Journal of the European Ceramic Society
  Academic article

2008

• Palcut, Marián; Christensen, Jens; Wiik, Kjell; Grande, Tor. (2008) Impurity diffusion of 141Pr in LaMnO3, LaCoO3 and LaFeO3 materials. Physical Chemistry, Chemical Physics - PCCP
  Academic article
• Svarcova, Silvie; Wiik, Kjell; Tolchard, Julian R; Bouwmeester, H.J.M.; Grande, Tor. (2008) Structural instability of cubic perovskite BaxSrxSr1-xCo1-yFeyO3-delta. Solid State Ionics
  Academic article
• Wiik, Kjell. (2008) Et pulver for framtiden. Universitetsavisa
  Academic article

2007

• Kaus, Ingeborg; Wiik, Kjell; Dahle, Marit; Brustad, Morten; Aasland, Siv. (2007) Stability of SrFeO3 based materials in the presence of SiOx species in humid atmosphere at high temperatures and pressures. Journal of the European Ceramic Society
  Academic article
• Wiik, Kjell; Einarsrud, Mari-Ann; Grande, Tor; Barland, Rune Thorsen. (2007) NTNU etablert firma: Selger keramisk pulver.
  Feature article
• Kaus, Ingeborg; Wiik, Kjell; Krogh, B; Dahle, M; Hofstad, KH; Aasland, S. (2007) Stability of SrFeO3-based materials in H2O/CO2-containing atmospheres at high temperatures and pressures. Journal of The American Ceramic Society
  Academic article
• Kaus, Ingeborg; Wiik, Kjell; Kleveland, Kjersti; Krogh, Bente; Aasland, Siv. (2007) Oxygen transport properties in La1-xSrxFe1-yMyO3-delta (M=Cr, Ti), 0.2<x<0.8, 0.2<yTi<0.5, 0.1<yCr<0.3. Solid State Ionics
  Academic article
• Palcut, Marian; Wiik, Kjell; Grande, Tor. (2007) Cation self-diffusion in LaCoO3 and La2CoO4 studied by diffusion couple experiments. Journal of Physical Chemistry B
  Academic article
• Dahl, Paul Inge; Kaus, Ingeborg; zhao, Zhe; Johnsson, Mikael; Nygren, Mats; Wiik, Kjell. (2007) Densification and properties of zirconia prepared by three different sintering techniques. Ceramics International
  Academic article
• Mokkelbost, Tommy; Andersen, Øystein Skottun; Strøm, Ruth Astrid; Wiik, Kjell; Grande, Tor; Einarsrud, Mari-Ann. (2007) High-temperature proton-conducting LaNbO4-based materials: powder synthesis by spray pyrolysis. Journal of The American Ceramic Society
  Academic article
• Wærnhus, Ivar; Sakai, Natsuko; Yokokawa, Harumi; Grande, Tor; Einarsrud, Mari-Ann; Wiik, Kjell. (2007) Cation diffusion in La1-xSrxFeO3-delta, x=0 and 0.1 measured by SIMS. Solid State Ionics
  Academic article
• Palcut, Marian; Wiik, Kjell; Grande, Tor. (2007) Cation self-diffusion and nonstoichiometry of lanthanum manganite studied by diffusion couple measurements. Journal of Physical Chemistry C
  Academic article

2006

• Lein, Hilde Lea; Wiik, Kjell; Grande, Tor. (2006) Thermal and chemical expansion of mixed conducting La0.5Sr0.5Fe1-xCoxO3-d materials. Solid State Ionics
  Academic article
• Lein, Hilde Lea; Wiik, Kjell; Grande, Tor. (2006) Kinetic demixing and decomposition of oxygen permeable membranes. Solid State Ionics
  Academic article
• Lein, Hilde Lea; Wiik, Kjell; Einarsrud, Mari-Ann; Grande, Tor. (2006) High-temperature creep behavior of mixed conducting La0.5Sr0.5Fe1-xCoxO3- (0,5 x 1) materials. Journal of The American Ceramic Society
  Academic article

2005

• Wærnhus, Ivar; Grande, Tor; Wiik, Kjell. (2005) Electronic properties of polycrystalline LaFeO3. Part II: Defect modelling including Schottky defects. Solid State Ionics
  Academic article
• Rudberg, E A; Wiik, Kjell; Svensson, Ann Mari; Nisancioglu, Kemal. (2005) Measurement and interpretation of oxygen diffusion and surface exchange data for strontium doped lanthanum cobaltite.
  Academic chapter/article/Conference paper
• Wærnhus, Ivar; Vullum, Per Erik; Holmestad, Randi; Grande, Tor; Wiik, Kjell. (2005) Electronic properties of polycrystalline LaFeO3. Part I: Experimental results and the qualitative role of Schottky defects. Solid State Ionics
  Academic article

2004

• Wiik, Kjell; Fossdal, Anita; Sagdahl, Lise; Lein, Hilde L.; Menon, Mohan; Faaland, S.. (2004) LaFeO3 and LaCoO3 Based Perovskites: Preparation and Properties of Dense Oxygen Permeable Membranes. NATO Science Series : Sub-Series II, Mathematics, Physics and Chemistry
  Academic article
• Akwilapo, LD; Wiik, Kjell. (2004) Ceramic Properties of Pugu Kaolin Clays. Part II: Effect of Phase Composition on Flexural Strength. Bulletin of the Chemical Society of Ethiopia
  Academic article
• Fossdal, A; Menon, Mohan; Wærnhus, Ivar; Wiik, Kjell; Einarsrud, Mari-Ann; Grande, Tor. (2004) Crystal structure and thermal expansion of La1-xSrxFeO3-delta. Journal of The American Ceramic Society
  Academic article
• Wærnhus, Ivar; Sakai, Natsuko; Yokokawa, Harumi; Grande, Tor; Einarsrud, Mari-Ann; Wiik, Kjell. (2004) Mass transport in La1_xSrxFeO3(x=0 and 0.1) measured by SIMS. Solid State Ionics
  Academic article
• Fossdal, Anita; Menon, Mohan; Wærnhus, Ivar; Wiik, Kjell; Einarsrud, Mari-Ann; Grande, Tor. (2004) Crystal structure and thermal expansion of La1-xSrxFeO3-delta. Journal of The American Ceramic Society
  Academic article

2003

• Akwilapo, LD; Wiik, Kjell. (2003) Ceramic properties of Pugu kaolin clays. Part I: Porosity and modulus of rupture. Bulletin of the Chemical Society of Ethiopia
  Academic article
• Akwilapo, Leonard D.; Wiik, Kjell. (2003) Ceramic properties of pugu kaolin clays. Part I: Porosity and modulus of rupture. Bulletin of the Chemical Society of Ethiopia
  Academic article
• Wiik, Kjell; Wærnhus, Ivar; Grande, Tor. (2003) Electronic conductivity and the effect of Schottky disorder in LaFeO(3-x). Materials science book, Maney publishing Materials science book, Maney publishing
  Report
• Hole, Ingebrigt; Tybell, Thomas; Wærnhus, Ivar; Grande, Tor; Wiik, Kjell; Grepstad, Jostein. (2003) High temperature transport kinetics in heteroepitaxial LaFeO3 thin films. Solid-State Electronics
  Academic article

2002

• Rørmark, Lisbeth; Stølen, Svein; Wiik, Kjell; Grande, Tor. (2002) Enthalpies of formation of La1-xAxMnO3-d (A=Ca and Sr) measured by high-temperature solution calorimetry. Journal of Solid State Chemistry
  Academic article
• Rørmark, Lisbeth; Stølen, Svein; Wiik, Kjell; Grande, Tor. (2002) Oxygen stoichiometry and structural properites of La1-xAxMnO3-d (A = Ca or Ca and 0 < x < 1). Journal of Materials Chemistry
  Academic article
• Rørmark, L; Wiik, K; Stølen, Svein; Grande, Tor. (2002) Oxygen stoichioemtry and structural properties of La1-xAxMnO3+d. Journal of Materials Chemistry
  Academic article
• Rørmark, L; Stølen, Svein; Wiik, K; Grande, Tor. (2002) Enthalpy of formation of La1-xAxMnO3+d measured by high-temperature solution calorimetry. Journal of Solid State Chemistry
  Academic article

2001

• Rørmark, Lisbeth; Mørk, AB; Wiik, Kjell; Stølen, Svein; Grande, Tor. (2001) Enthalpies of oxidation of CaMnO3-delta, Ca2MnO4-delta and SrMnO3-delta - Deduced redox properties. Chemistry of Materials
  Academic article
• Rørmark, L; Mørch, A.B.; Wiik, K; Grande, Tor; Stølen, Svein. (2001) Enthalpy of oxidation of CaMnO3-d, Ca2MnO4-d and SrMnO3-d - deduced redox properties. Chemistry of Materials
  Academic article
• Fossdal, Anita; Sagdahl, Lise Trondsen; Einarsrud, Mari-Ann; Wiik, Kjell; Larsen, P.H.; Poulsen, Finn Willy. (2001) Phase equilibria and microstructure in Sr4Fe6-xCoxO13, 0. Solid State Ionics
  Academic article

1999

• Faaland, Sonia; Einarsrud, Mari-Ann; Wiik, Kjell; Grande, Tor; Høier, Rangvald. (1999) Reactions between La%b-xCaxMnO%d CaO-stabilized ZrO%c. Part 2, Diffusion couples. Journal of Materials Science
  Academic article
• Wiik, Kjell; Poulsen, F.W.. (1999) IEA Programme of R, D & D on Advanced Fuel Cells. Oksygen Transport in Co-substitiuded Sr4Fe6O13+x' "Materials and Mechanisms". International Energy Agency (IEA) International Energy Agency (IEA)
  Report
• Wiik, Kjell; Tangen, I.L.; Aasland, S.; Ødegård, R.. (1999) IEA Programme of R, D & D on Advanced Fuel Cells. Oksygen Permeation of SrFe0.67Co0.33O3-x' "Materials and Mechanisms". International Energy Agency (IEA) International Energy Agency (IEA)
  Report
• Wiik, Kjell; Engebretsen, C.; Budd, M.; Fell, H.J.; Julsrud, S.; Larsen, Tore. (1999) The Sixth Conference & Exhibition of the European Ceramic Socienty Extended Abstracts Volume 1 Oxygen Transport Coefficients Co-Substitude SrFeO3-x'. IOM Communication Ltd. IOM Communication Ltd.
  Report
• Kleveland, Kjersti; Einarsrud, Mari-Ann; Schmidt, Christian R.; Shamsili, Senem; Faaland, Sonia; Wiik, Kjell. (1999) Reactions between Strontium-Substituted Lanthanum Manganite and Yttria -Stabilized Zirconia: II, Diffusion Couples. Journal of The American Ceramic Society
  Academic article
• Faaland, Sonia; Einarsrud, Mari-Ann; Wiik, Kjell; Grande, Tor. (1999) Reactions between La%b-xCaxMnO%d and CaO-stabilized ZrO%c. Part I, Powder mixtures. Journal of Materials Science
  Academic article
• Wiik, Kjell; Schmidt, Christian R.; Faaland, Sonia; Shamsili, Senem; Einarsrud, Mari-Ann; Grande, Tor. (1999) Reactions between strontium-substituted lanthanum manganite and yttria -stabilized zirconia. I, Powder samples. Journal of The American Ceramic Society
  Academic article

1997

• Grande, Tor; Sommerset, Håkon; Hagen, Eirik; Wiik, Kjell; Einarsrud, Mari-Ann. (1997) Effect of weight loss on liquid-phase-sintered silicon carbide. Journal of The American Ceramic Society
  Academic article
• Faaland, Sonia; Grande, Tor; Høier, Rangvald; Wiik, Kjell; Einarsrud, Mari-Ann. (1997) Chemistry and microstructure of the interface between lanthanum manganite and cubic stabilized zirconia. Key Engineering Materials
  Academic article

1994

• Wiik, Kjell. (1994) Eksamensoppgaver med fasit: kjemi fag 50505 og 50508. Tapir Akademisk Forlag Tapir Akademisk Forlag
  Compendium