Svein St?len

• Pishahang, Mehdi; Mohn, Chris Erik & St?len, Svein (2016). Density functional study on redox energetics of LaMO3-¦Ä(M=Sc-Cu) perovskite-type oxides. Journal of Solid State Chemistry. ISSN 0022-4596. 233, s. 62¨C66. doi: 10.1016/j.jssc.2015.10.013. Vis sammendrag

  This study evaluates the redox energetics of LaMO3?¦Ä (M=Sc¨CCu) perovskite-type oxides via generalized gradient approximation (GGA) to DFT. Two different approaches to redox energetics of oxygen deficient perovskites of strongly non-stoichiometric (¦Ä=0.5) and dilute defect limits (¦Ä¡ú0) are studied. In the first approach the enthalpies of oxidation are calculated using the stoichiometric end-compounds of LaMO3 and LaMO2.5. The most common structures for the reduced lanthanides and strontides similar to the ones experimentally reported for SrMnO2.5, SrFeO2.5, and LaNiO2.5 are considered. The second approach to the oxidation enthalpies termed (¦Ä¡ú0) follow the trend observed experimentally. This approach represents the experimental conditions of the measured oxygen enthalpies, and is hampered less by the artificial features due to spurious self-interaction errors in GGA.

• Pishahang, Mehdi; Bakken, Egil; St?len, Svein; Larring, Yngve & Thomas, Christopher Ian (2013). Oxygen non-stoichiometry and redox thermodynamics of LaMn1?xCoxO3?¦Ä. Solid State Ionics. ISSN 0167-2738. 213, s. 49¨C57. doi: 10.1016/j.ssi.2012.10.009. Vis sammendrag

  An experimental study of the oxygen non-stoichiometry and redox thermodynamics of LaMn1 ? xCoxO3 ¡À ¦Ä (x = 0.25 and 0.75) is presented. The system shows partial solid solubility of LaCoO3 in LaMnO3 and vice versa. While both samples consist of two phases at room temperature, quenching experiments show that the x = 0.25 sample is single phase at high temperatures for the whole range of study, 0.6 < ? log(pO2/atm) < 14. The x = 0.75 sample consist of two phases even at high temperatures. This does not necessarily represent a problem for applications, and both samples are studied in details. The oxygen non-stoichiometry versus oxygen partial pressure are measured at three temperatures of 1223, 1273, and 1323 K by coulometric titration and thermogravimetry, for x = 0.25 and 0.75, respectively. The extracted enthalpies of oxidation do not vary significantly with stoichiometry, and are ? 680 ¡À 40 and for x = 0.25 and 0.75, respectively. These data and analyses of literature data for LaMnO3 and LaCoO3 show that the enthalpy of oxidation varies nearly linearly with x. Solid solution thermodynamic models are used to analyze the redox mechanism.

• Pishahang, Mehdi; Bakken, Egil; St?len, Svein; Thomas, Christopher Ian & Dahl, Paul Inge (2013). Oxygen non-stoichiometry, redox thermodynamics, and structure of LaFe1 ? x Co x O3 ? ¦Ä. Ionics (Kiel). ISSN 0947-7047. 19(6), s. 869¨C878. doi: 10.1007/s11581-012-0811-z. Vis sammendrag

  The oxygen non-stoichiometry and redox thermodynamic properties of the LaFe1 ? xCoxO3 ? ¦Ä system (x?=?0.25 and 0.75) are studied. At low temperatures, the LaCoO3 and LaFeO3 systems show partial solid solubility. At 1,273 K (in air), both compounds are single phases and are orthorhombic and rhombohedral for x?=?0.25 and 0.75, respectively. Thermogravimetry has been used to measure the oxygen non-stoichiometry versus oxygen partial pressure at three temperatures, 1,223, 1,273, and 1,323 K. Redox thermodynamic quantities are extracted directly from the oxygen non-stoichiometry curves. The extracted enthalpies of oxidation do not vary significantly with stoichiometry, and for x?=?0.25 and 0.75, they are ?640?¡À?60 and ?440?¡À?60 kJ (mol O2)?1, respectively. Ideal solid solution thermodynamic models are used to analyze the redox mechanisms.

• Pishahang, Mehdi; Mohn, Chris Erik; St?len, Svein & Bakken, Egil (2012). DFT-study of the energetics of perovskite-type oxides LaMO3 (M = Sc¨CCu). RSC Advances. ISSN 2046-2069. 2, s. 10667¨C10672. doi: 10.1039/C2RA21139D. Vis sammendrag

  The generalized gradient approximation to density functional theory is benchmarked for the calculation of formation enthalpies of lanthanide perovskite-type oxides LaMO3 (M = Sc¨CCu). Three different reaction pathways (from elements, mono and sesquioxides) have been investigated and the systematic errors associated with electron correlation due to overbinding of the oxygen molecule, electron self-interaction within localized 3d states, and geometrical relaxations are analyzed by critical comparison with a large number of experimental data. Calculated formation enthalpies from elements and sesquioxides are in good agreement with experiment when the overbinding of O2 is corrected for using the Wang ad hoc factor of 131 kJ mol?1 O2. By contrast, the calculated formation enthalpies from monoxides are systematically too low which are attributable to strong self-interactions due to localized 3d states in MO. The effects of relaxation and choice of magnetic structure on the enthalpies of formation are analyzed.

• Mohn, Chris Erik; Allan, Neil & St?len, Svein (2012). Structure of Nanoclusters on Oxide Substrates-Bi2O3 on SrTiO3. Nanoscience and Nanotechnology Letters (NNL). ISSN 1941-4900. 4(2), s. 178¨C181. doi: 10.1166/nnl.2012.1294.
• Pishahang, Mehdi; Bakken, Egil & St?len, Svein (2012). A novel coulometric titration setup Principals, design and leakage minimization. Thermochimica Acta. ISSN 0040-6031. 543, s. 137¨C141. doi: 10.1016/j.tca.2012.05.020. Vis sammendrag

  This article presents a new coulometric titration setup and describes the principles of operation, the main precautions to be taken into account to reduce the systematic errors, and evaluates the working range and the accuracy of the measurements. The major source of error, the oxygen leakage, is studied in detail and modeled based on leakage of oxygen through the YSZ solid electrolyte. Decreasing the difference in chemical potential of oxygen between inside and outside of the cell is studied as an applied measure to decrease the oxygen leakage. Flushing the pumping solid electrolyte by N2 shows a reasonable improvement. Eventually, oxygen non-stoichiometry of SrFeO3?¦Ä is measured at 1273 K in the oxygen partial pressure range of 0.6 < ?log(pO2/atm) < 12. The resulting values are in good agreement with the literature.

• Bakken, Egil; Dahl, Paul Inge; Haavik, Camilla; St?len, Svein & Larring, Yngve (2011). Redox energetics of perovskite-related La(B(1-x)B'(x)O(3-delta) oxides where BB' is GeCo, MnCo, MnNi and CoCu. Solid State Ionics. ISSN 0167-2738. 182(1), s. 19¨C23. doi: 10.1016/j.ssi.2010.11.021.
• Mohn, Chris Erik; St?len, Svein & Kob, W (2011). Predicting the Structure of Alloys Using Genetic Algorithms. Materials and Manufacturing Processes. ISSN 1042-6914. 26(3), s. 348¨C353. doi: 10.1080/10426914.2011.552021.
• Mohn, Chris Erik & St?len, Svein (2011). Influence of the stereochemically active bismuth lone pair structure on ferroelectricity and photocalytic activity of Aurivillius phase Bi2WO6. Physical Review B. Condensed Matter and Materials Physics. ISSN 1098-0121. 83(1). doi: 10.1103/PhysRevB.83.014103.
• Bj?rheim, Tor Svendsen; Kuwabara, Akihide; Ahmed, Istaq; Haugsrud, Reidar; St?len, 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¨C137. doi: 10.1016/j.ssi.2009.04.013.
• Bj?rheim, Tor Svendsen; St?len, 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¨C6825. doi: 10.1039/b925823j.
• Mohn, Chris Erik; St?len, Svein; Nordberg, Stefan T. & Hull, Stephen (2009). Oxide-ion disorder within the high temperature delta phase of Bi2O3. Physical Review Letters. ISSN 0031-9007. 102, s. 155502-1¨C155502-4.
• Kuwabara, Akihide; Haugsrud, Reidar; St?len, Svein & Norby, Truls (2009). Local condensation around oxygen vacancies in t-LaNbO4 from first principles calculations. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 11(27), s. 5550¨C5553. doi: 10.1039/b813881h.
• Mohn, Chris Erik; St?len, Svein & Hull, Stephen (2009). Diffusion within alpha-CuI studied using ab initio molecular dynamics simulations. Journal of Physics: Condensed Matter. ISSN 0953-8984. 21(33). doi: 10.1088/0953-8984/21/33/335403.
• Mohn, Chris Erik; St?len, Svein; Norberg, ST & Hull, S (2009). Ab initio molecular dynamics simulations of oxide-ion disorder in the delta-Bi2O3. Physical Review B. Condensed Matter and Materials Physics. ISSN 1098-0121. 80(2). doi: 10.1103/PhysRevB.80.024205.
• Hull, S; Norberg, ST; Tucker, MG; Eriksson, SG; Mohn, Chris Erik & St?len, Svein (2009). Neutron total scattering study of the delta and beta phases of Bi2O3. Dalton Transactions. ISSN 1477-9226. s. 8737¨C8745. doi: 10.1039/b910484b.
• Allan, N.L.; St?len, Svein & Mohn, Chris Erik (2008). Think locally - linking structure, thermodynamics and transport in grossly nonstoichiometric compounds and solid solutions. Journal of Materials Chemistry. ISSN 0959-9428. 18, s. 4124¨C4132. doi: 10.1039/b806156d.
• St?len, Svein & Tr?nnes, Reidar G (2007). The perovskite to post-perovskite transition in CaIrO3: Clapeyron slope and changes in bulk and shear moduli by density functional theory. Physics of the Earth and Planetary Interiors. ISSN 0031-9201. 164, s. 50¨C62. doi: 10.1016/j.pepi.2007.05.009.
• S?nden?, Rune; S?nden?, Rune; St?len, Svein; Ravindran, P.; Ravindran, Ponniah & Grande, Tor [Vis alle 7 forfattere av denne artikkelen] (2007). Corner- versus face-sharing octahedra in AMnO3 perovskites (A=Ca, Sr, and Ba). Physical Review B. Condensed Matter and Materials Physics. ISSN 1098-0121. 75, s. 184105-1¨C184105-10. doi: 10.1103/PhysRevB.75.184105.
• S?nden?, Rune; S?nden?, Rune; St?len, Svein; Ravindran, P.; Ravindran, Ponniah & Grande, Tor (2007). Heat capacity and lattice dynamics of cubic and hexagonal SrMnO3: Calorimetry and density functional theory simulations. Physical Review B. Condensed Matter and Materials Physics. ISSN 1098-0121. 75, s. 214307-1¨C214307-8. doi: 10.1103/PhysRevB.75.214307.
• Martinez, Jean Raphael; Mohn, Chris Erik; St?len, Svein & Allan, N.L. (2007). Ba2In2O4(OH)(2): Proton sites, disorder and vibrational properties. Journal of Solid State Chemistry. ISSN 0022-4596. 180, s. 3388¨C3392. doi: 10.1016/j.jssc.2007.09.034.
• Mohn, Chris Erik & St?len, Svein (2007). Average and local structure of alpha-CuI by configurational averaging. Journal of Physics: Condensed Matter. ISSN 0953-8984. 19. doi: 10.1088/0953-8984/19/46/466208.

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• St?len, Svein (2011). En cocktail av kjemikalier. Cappelen Damm AS. ISBN 978-82-02-34681-2. 200 s.

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• Kolshus, Thorgeir & St?len, Svein (2024). Minneord Thomas Hylland Eriksen. Khrono. doi: https:/www.khrono.no/thomas-hylland-eriksen-1962-2024/923704.
• Brekke, Camilla; St?len, Svein; Reigstad, Marit; Petersson, Eivind Vad; H?verstad, Thor Arne & Skatteboe, Rolf [Vis alle 7 forfattere av denne artikkelen] (2023). FRA HVITT TIL BL?TT: KUNNSKAP OG FORVALTNING AV FRAMTIDENS POLHAV. Vis sammendrag

  I l?pet av de neste 30 ?rene vil nye varmerekorder gj?re det hvite Polhavet bl?tt og ?pent om sommeren. De lokale og globale konsekvensene er ukjente, men trolig store. Norge b?r sette av minst ti ?r og en milliard kroner til v?rt st?rste forskningsprosjekt noensinne. M?let er ? forberede oss og resten av verden p? et bl?tt Polhav. Norge er den arktiske havnasjonen med tradisjonen, erfaringen, infrastrukturen - og dermed et ansvar - for at verden skal forst? og forberede seg p? denne store naturendringen. Framtidens Polhav er et nasjonalt faglig initiativ som utvikles for ? l?fte kunnskapen om klima, milj?, politikk og ressursutviklingen i Polhavet i ?rene som kommer. Konsortiet bak initiativet best?r av 16 institusjoner: Akvaplan-niva, FFI, FNI, Havforskningsinstituttet, Meteorologisk institutt, NERSC, NGU, NORCE, Norsk Polarinstitutt, NTNU, NUPI, SINTEF, UiB, UiO, UiT og UNIS.

• Remonato, Filippo; Rana, Shahzad; St?len, Svein; Gjul, Gunn Karin; L?drup, Julie & Melsom, Nina [Vis alle 7 forfattere av denne artikkelen] (2023). Hva gj?r kunstig intelligens med morgendagens arbeidsliv? [Internett]. Kulturhuset Oslo.
• nrk, Dagsnytt atten; Holden, Lars; St?len, Svein & Moe, Ola Borten (2022). Krisen i 澳门葡京手机版app下载sr?det. [TV]. NRK.
• Furevik, Tore; Halvorsen, Kristin; Sk?lin, Roar; Johnny, Johannessen; Nygaard, Kari & Mar?k St?le, Elisabeth [Vis alle 13 forfattere av denne artikkelen] (2020). Tre uomtvistelige fakta. Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
• Aryeetey, Ernest; Engebretsen, Eivind; Gornitzka, ?se; Maassen, Peter & St?len, Svein (2020). Vaccine inequities expose fault lines in North-South collaboration. University World News.
• Aryeetey, Ernest; Engebretsen, Eivind; Gornitzka, ?se; Maassen, Peter & St?len, Svein (2020). A step backwards in the fight against global vaccine inequities. The Lancet. ISSN 0140-6736. 397(10268). doi: 10.1016/S0140-6736(20)32596-4.
• Dick, Gunnar; St?len, Svein & Brautaset, Trygve (2015). Digital Storsatsing. [Tidsskrift]. Popul?r vitenskapelig bilag- Vitenskap og Historie.
• Eide, Hans A; Fotland, Margaret Louise; Kvale, Live H?ndlykken; Stangeland, Elin; St?len, Svein & Thomassen, Gard O Sundby [Vis alle 7 forfattere av denne artikkelen] (2015). Sharing and Storing Research Data A 4-level model of the Data flow.
• Mohn, Chris Erik; St?len, Svein & Hull, Stephen (2012). Comment on "Dynamic Correlation between Superionic Coppers in alpha-CuI". Journal of the Physical Society of Japan. ISSN 0031-9015. 81(10). doi: 10.1143/JPSJ.81.106001.
• St?len, Svein (2011). Duftende kjemi. [Avis]. NTB-sak; diverse aviser.
• St?len, Svein (2011). Kjemi?ret: en cocktail av kjemikalier. Naturfag. ISSN 1504-4564. s. 66¨C70.
• St?len, Svein (2011). Kjemi i hverdagen.
• St?len, Svein (2011). Boklansering - en cocktail av kjemikalier. [TV]. NRK Morgennytt.
• St?len, Svein (2011). Kjemitimen - et antall innslag spredd over flere uker (lukt, kjemi og afrodisiaka; parfyme; selvrensende vinduer og rent vann). [Radio]. P4 - Radiokompaniet.
• St?len, Svein (2011). En cocktail av kjemikalier.
• St?len, Svein (2011). En cocktail av kjemikalier.
• St?len, Svein (2011). En cocktail av kjemikalier.
• St?len, Svein (2011). Formidling p? norsk - en utfordring?
• Kaas, Astrid Waaler & St?len, Svein (2011). Fra pengsesluket nederst p? Blindern til ufortjent mye ros.
• St?len, Svein (2011). Ikke best - hvorfor og hva s?? 澳门葡京手机版app下载spolitikk. ISSN 0333-0273.
• St?len, Svein (2011). Nanoteknologi.
• St?len, Svein (2011). Kjemi mot kladdef?re. [Radio]. NRK P1 EKKO.
• St?len, Svein (2011). Skism?ring. [Radio]. ?stlandssending.
• St?len, Svein (2011). Formelen for god smak. [Avis]. NTB-sak; Sunnm?rsposten og diverse andre lokalaviser.
• St?len, Svein (2011). Vaskeekte vitenskap. [Avis]. NTB-sak; Dagsavisen og diverse lokalaviser.
• St?len, Svein (2011). Din daglige dose kjemi. [Avis]. NTB-sak; Dagsavisen + flere lokalaviser.
• St?len, Svein (2010). Champagne. [Radio]. NRK ?stlandssendingen.
• St?len, Svein (2010). Erfaringer med risikovurdering.
• St?len, Svein (2010). Materials and renewable energy. Public Service Review: Science & Technology. ISSN 1757-2770.
• St?len, Svein (2010). Cracking the energy code. Public Service Review: Science & Technology. ISSN 1757-2770.
• St?len, Svein (2010). Varierende arbeidsmengde. Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
• St?len, Svein (2010). Hva er hydrogenperoksid? [Avis]. Dagens N?ringsliv.
• Vedde, John ?ivind & St?len, Svein (2009). Kjemisk julekalender, webapplikasjon, med mange bidragsytere.
• Vedde, John ?ivind & St?len, Svein (2009). Egg-koketid-kalkulator, webapplikasjon.
• St?len, Svein & Sagstuen, Einar (2009). Budsjettkutt truer klimadr?m. Dagens n?ringsliv. ISSN 0803-9372.
• St?len, Svein & Sagstuen, Einar (2009). Finansieringsordning truer milj?forskningen. Uniforum. ISSN 1891-5825.
• Selbekk, Rune S & St?len, Svein (2009). Periodesytemet.no. Stein. ISSN 0802-9121. 36(3), s. 17¨C19.
• St?len, Svein (2009). Hvordan koke det perfekte egg til p?ske. [Radio]. NRK P2, Verdt ? vite.
• Bj?rheim, Tor S; St?len, Svein & Norby, Truls (2009). Hydrogen in rutile TiO2: A DFT study.
• St?len, Svein (2009). Periodesystemet.no - hva, hvorfor, hvordan og hva s??
• St?len, Svein (2009). Periodesystemet.no - hva, hvorfor, hvordan og hva s??
• St?len, Svein; Karlsen, Ole Bj?rn & Vedde, John ?ivind (2008). Mange bidragsytere.
• St?len, Svein & Vedde, John ?ivind (2008). periodesystemet.no. Nettstedet er utarbeidet av en rekke personer, hvorav de fleste fra Kjemisk institutt, UiO.
• St?len, Svein (2008). Lanseringen av periodesystemet.no og utstillingen Grunnstoffene - verdens byggeklosser i Galleri Sverdrup, Universitetsbiblioteket. [Radio]. Verdt ? Vite, NRK, P2.
• St?len, Svein (2008). Grunnstoffenes navn, Verdt-?-vite. [Radio]. NRK P2.
• St?len, Svein (2008). Lansering av periodesystemet.no og utstillingen Grunnstoffene - verdens byggeklosser. [TV]. Frokost TV, NRK.
• St?len, Svein (2008). 6 innslag i nitimen om grunnstoffer i forbindelse med lanseringen av periodesystemet.no. 19 til 26 februar. [Radio]. Nitimen, NRK P1.
• St?len, Svein; Gorbitz, Carl Henrik; Omtvedt, Jon Petter & ?degaard, Knut J?rgen R?ed (2008). Verdt ? vite spesial: Grunnstoffene og periodesystemet. [Radio]. NRK P2.
• St?len, Svein (2008). 13 kunnskapskorn i l?pet av v?ren 2008. [Radio]. NRK P2, Verdt ? vite.
• St?len, Svein (2008). Selvlysende fiskekaker. [Radio]. NRK P2, Verdt ? vite.
• St?len, Svein (2008). Fra jord, luft, ild og vann til en moderne vitenskap. [Radio]. NRK P2, Verdt ? vite.
• St?len, Svein (2008). Arsenikk. [Radio]. NRK P2, Verdt ? vite.
• St?len, Svein (2008). 7 kjemi-innslag i Nitimen i forbindelse med 17 mai. [Radio]. NRK P1.
• St?len, Svein (2008). Urban gruvedrift. [Radio]. Verdt-?-vite, NRK P2.
• St?len, Svein (2008). Sommerkjemi - en serie i Reiseradioen sommeren 2008 (et 20-tall innslag). [Radio]. NRK P1.
• Tilset, Mats & St?len, Svein (2008). Nobelprisen i Kjemi 2008. [Radio]. Verdt ? vite, NRK P2.
• St?len, Svein (2008). Gull i mobiltelefoner. [TV]. NRK 21-nyhetene.
• Tr?nnes, Reidar G; Boffa-Ballaran, T; Frost, DJ; Balic-Zunic, T; Olsen, L.A. & St?len, Svein (2008). Phase relations and mineral physics of the lowermost mantle - the analogue compositional approach.
• Tr?nnes, Reidar G; Boffa-Ballaran, T; Frost, DJ; Balic-Zunic, T; Olsen, L.A. & St?len, Svein (2008). The post-perovskite transition in moderate-pressure analogue systems.
• Tr?nnes, Reidar G; Boffa-Ballaran, T; Frost, DJ; Balic-Zunic, T; Olsen, L.A. & St?len, Svein (2008). Phase relations, crystal chemistry and elasticity of perovskite and post-perovskite in CaIrO3-based analogue systems.
• St?len, Svein & Mohn, Chris Erik (2008). Exploring the rough energy landscape of fast ion conductors.
• St?len, Svein (2008). An introduction to first principles computational mineralogy and mineral physics.
• Bj?rheim, Tor S; Kuwabara, Akihide; Ahmed, Istaq; Haugsrud, Reidar; St?len, Svein & Norby, Truls (2008). A combined conductivity and DFT study of protons in PbZrO3 and AZrO3 (A=Ca,Sr,Ba).
• St?len, Svein (2008). periodesystemet.no - hva, hvorfor, hvordan og hva s?.
• St?len, Svein (2008). Skal det v?re en cocktail av kjemikalier.
• St?len, Svein (2008). periodesystemet.no.
• St?len, Svein (2008). Kjemikalier i hverdagen.
• St?len, Svein (2008). Skal det v?re en cocktail av kjemikalier?
• St?len, Svein (2007). Glass - more than decoration. EPG Glass Newsletter of the European Network of Forensic Science Institutes. s. 6¨C17.
• St?len, Svein (2007). Darwin i kjemien. [Radio]. Verdt ? Vite, NRK P2.
• St?len, Svein (2007). Hydrogenperoksid og eksplosiver. [Radio]. Verdt ? vite, NRK P2.
• St?len, Svein (2007). 16 kunnskapskorn i l?pet av h?sten 07. [Radio]. Verdt ? vite, NRK P2.
• St?len, Svein; Leifsen, Torben; Endestad, Tor; Christiansen, Torgeir; Mi?en, Tore & Jensenius, Alexander Refsum [Vis alle 13 forfattere av denne artikkelen] (2015). Dataeksplosjonen - en stor utfordring, og en gedigen mulighet! Rapport fra arbeidsgruppen ?Lagring og deling av forskningsdata? ved Universitetet i Oslo (UiO) 11.05.2015 . 7Letras.
• Bj?rheim, Tor Svendsen; Norby, Truls Eivind; Haugsrud, Reidar & St?len, Svein (2012). Hydrogen in oxides ¨C First principles and experimental studies of incorporation, complex formation, exotic species, and transport properties. Universitetet i Oslo.
• Pishahang, Mehdi; St?len, Svein & Bakken, Egil (2012). Redox Energetics of Novel Perovskite-type Oxygen Carriers for Chemical Looping Reforming. Universitetet i Oslo.
• Fjeld, Harald; Norby, Truls; Haugsrud, Reidar & St?len, Svein (2010). Ionic transport in atomic and nanodimensional structures in oxides. Det matematisk-naturvitenskaplige fakultet, Universitetet i Oslo. ISSN 1501-7710.

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