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Dr.-Ing. Stefan Wagner

  • Karlsruher Institut für Technologie (KIT)
    Institut für Angewandte Materialien - Werkstoffkunde (IAM-WK)
    Campus Süd
    Engelbert-Arnold-Straße 4
    76131 Karlsruhe

Publications


Influence of B-site doping with Ti and Nb on microstructure and phase constitution of (Ba0.5Sr0.5)(Co0.8Fe0.2)O3−δ.
Weber, V.; Meffert, M.; Wagner, S.; Störmer, H.; Unger, L.-S.; Ivers-Tiffée, E.; Gerthsen, D.
2020. Journal of materials science, 55 (3), 947–966. doi:10.1007/s10853-019-04102-6
Yttrium doping of Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3-δ part II: Influence on oxygen transport and phase stability.
Unger, L.-S.; Ruhl, R.; Meffert, M.; Niedrig, C.; Menesklou, W.; Wagner, S. F.; Gerthsen, D.; Bouwmeester, H. J. M.; Ivers-Tiffée, E.
2018. Journal of the European Ceramic Society, 38 (5), 2388–2395. doi:10.1016/j.jeurceramsoc.2017.12.042
Yttrium doping of Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3-δ part I: Influence on oxygen permeation, electrical properties, reductive stability, and lattice parameters.
Unger, L.-S.; Niedrig, C.; Wagner, S. F.; Menesklou, W.; Baumann, S.; Meulenberg, W. A.; Ivers-Tiffée, E.
2018. Journal of the European Ceramic Society, 38 (5), 2378–2387. doi:10.1016/j.jeurceramsoc.2017.12.045
The effect of dopants on the stabilization of the cubic BSCF phase in O₂- and CO₂- containing atmospheres.
Gerthsen, D.; Meffert, M.; Störmer, H.; Wilde, V.; Almar, L.; Sigloch, F.; Unger, L.-S.; Wagner, S. F.; Ivers-Tiffée, E.
2017. ECS transactions, 77 (10), 35–39. doi:10.1149/07710.0035ecst
The impact of grain size, A/B-cation ratio, and Y-doping on secondary phase formation in (Ba0.5Sr0.5)(Co0.8Fe0.2)O3−δ.
Meffert, M.; Unger, L.-S.; Grünewald, L.; Störmer, H.; Wagner, S. F.; Ivers-Tiffée, E.; Gerthsen, D.
2017. Journal of materials science, 52 (5), 2705–2719. doi:10.1007/s10853-016-0562-8
Atom probe tomography (APT) Analysis of the Grain Boundary Region in Ba0.5Sr0.5Co0.8Fe0.2O3-δ (BSCF) and Ba0.5Sr0.5(Co0.8Fe0.2)0.9Y0.1O3-δ (BSCF10Y).
Unger, L.-S.; Kresse, T.; Wagner, J. N.; Niedrig, C.; Wagner, S. F.; Menesklou, W.; Ivers-Tiffée, E.
2016. E-MRS 2016 Spring Meeting, May 2-6, 2016, Lille, France
Influence of a La0.6Sr0.4CoO3-δ Functional Layer on (Ba0.5Sr0.5)(Co0.8Fe0.2)O3-δ Oxygen Transport Membranes (OTMs).
Unger, L.-S.; Meffert, M.; Wilde, V.; Störmer, H.; Niedrig, C.; Almar, L.; Menesklou, W.; Wagner, S. F.; Gerthsen, D.; Ivers-Tiffée, E.
2016. 229th Meeting of The Electrochemical Society (ECS), May 29-June 2, 2016, San Diego CA, USA
Stabilization of the cubic perovskite BSCF phase by Y-doping.
Meffert, M.; Unger, L.-S.; Baumann, S.; Niedrig, C.; Störmer, H.; Menesklou, W.; Wagner, S. F.; Meulenberg, W. A.; Ivers-Tiffée, E.; Gerthsen, D.
2016. 16 th European Microscopy Congress (EMC) 2016, 28 August – 2 September 2016, Lyon, France
Influence of a La0.6Sr0.4CoO3-δ Functional Layer on (Ba0.5Sr0.5)(Co0.8Fe0.2)O3-δ Oxygen Transport Membranes (OTMs).
Unger, L.-S.; Meffert, M.; Wilde, V.; Störmer, H.; Niedrig, C.; Menesklou, W.; Wagner, S. F.; Gerthsen, D.; Ivers-Tiffée, E.
2016. ECS transactions, 72, 37–45. doi:10.1149/07207.0037ecst
Modification of Oxygen/(Ba0.5Sr0.5)(Co0.8Fe0.2)O3-δ Interfaces Derived By Metal-Organic Deposition.
Asano, K.; Niedrig, C.; Menesklou, W.; Wagner, S. F.; Ivers-Tiffée, E.
2015. 227th Meeting of The Electrochemical Society (ECS), May 24-28, 2015, Chicago, Ill., USA
Nanoscaled La0.6Sr0.4CoO3-δ Functional Layer for Enhanced Surface Kinetics of (Ba0.5Sr0.5)(Co0.8Fe0.2)O3-δ Oxygen-Transport Membranes (OTMs).
Unger, L.-S.; Meffert, M.; Störmer, H.; Menesklou, W.; Wagner, S. F.; Gerthsen, G.; Ivers-Tiffée, E.
2015. 14th International Conference of the European Ceramic Society, June, 21-25, 2015, Toledo, Spain
Influence of Yttrium Doping on Ba0.5Sr0.5Co0.8Fe0.2O3-δ.
Unger, L.-S.; Niedrig, C.; Meffert, M.; Baumann, S.; Störmer, H.; Menesklou, W.; Wagner, S. F.; Meulenberg, W. A.; Gerthsen, D.; Ivers-Tiffée, E.
2015. 20th International Conference on Solid State Ionics, 14–19 June, 2015 Keystone, United States
Modification of Oxygen / (Ba0.5Sr0.5)(Co0.8Fe0.2)O3-δ Interfaces Derived By Metal-Organic Deposition.
Asano, K.; Niedrig, C.; Menesklou, W.; Wagner, S. F.; Ivers-Tiffée, E.
2015. ECS transactions, 66, 147–155. doi:10.1149/06602.0147ecst
Characterization of oxygen-dependent stability of selected mixed-conducting perovskite oxides.
Niedrig, C.; Wagner, S. F.; Menesklou, W.; Ivers-Tiffée, E.
2015. Solid state ionics, 273, 41–45. doi:10.1016/j.ssi.2014.12.008
Atom probe tomography (APT) on Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) and Ba0.5Sr0.5(Co0.8Fe0.2)0.9Y0.1O3-delta (BSCF10Y).
Unger, L.-S.; Kresse, T.; Wagner, J. N.; Wagner, S. F.; Menesklou, W.; Ivers-Tiffée, E.
2015. Energy, Science and Technology, Conference and Exhibition (EST 2015), Karlsruhe, Germany, May 20–22, 2015
MIEC materials for membrane applications: Enhancing the oxygen transport.
Ivers-Tiffée, E.; Niedrig, C.; Wagner, S. F.
2014. ECS transactions, 61 (1), 283–293. doi:10.1149/06101.0283ecst
Three-Dimensional Performance Model For Oxygen Transport Membranes.
Häffelin, A.; Niedriga, C.; Wagner, S.; Ivers-Tiffée, E.
2013. ECS Transactions, 57 (1), 2543–2552. doi:10.1149/05701.2543ecst
High-Temperature pO2 Stability of Metal Oxides Determined by Amperometric Oxygen Titration.
Niedrig, C.; Menesklou, W.; Wagner, S. F.; Ivers-Tiffée, E.
2013. Journal of the Electrochemical Society, 160, F135-F140. doi:10.1149/2.063302jes
Secondary phase formation in Ba0.5Sr0.5Co0.8Fe0.2O3-d (BSCF) studied by electron microscopy.
Müller, P.; Störmer, H.; Meffert, M.; Dieterle, L.; Niedrig, C.; Wagner, S. F.; Ivers-Tiffée, E.; Gerthsen, D.
2013. Chemistry of Materials, 25 (4), 564–573. doi:10.1021/cm303670m
pO2 stability of Ba0.5Sr0.5Co0.8Fe0.2O3-delta.
Wagner, S. F.; Taufall, S.; Niedrig, C.; Götz, H.; Menesklou, W.; Baumann, S.; Ivers-Tiffée, E.
2011. Solid-state chemistry of Inorganic materials VIII. Symposium, Boston, Massachusetts, U.S.A., November 29-December 3 2010. Ed.: P. Shiv Halasyamani, Cambridge University Press (CUP)
Study of the Oxygen Incorporation and Diffusion in Sr(Ti0.65Fe0.35)O3 Ceramics.
Argirusis, C.; Jomard, F.; Wagner, S. F.; Menesklou, W.; Ivers-Tiffée, E.
2011. Solid State Ionics, 192 (1), 9–11. doi:10.1016/j.ssi.2010.02.016
Thermal stability of the cubic phase in Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF).
Niedrig, C.; Taufall, S.; Burriel, M.; Menesklou, W.; Wagner, S. F.; Baumann, S.; Ivers-Tiffée, E.
2011. Solid State Ionics, 197 (1), 25–31
Ba0.5Sr0.5Co0.8Fe0.2O3-d for Oxygen Separation Membranes.
Müller, P.; Dieterle, L.; Müller, E.; Störmer, H.; Gerthsen, D.; Niedrig, C.; Taufall, S.; Wagner, S. F.; Ivers-Tiffée, E.
2010. ECS Transaction, 28 (11), 309–314
Das Potenzial nanoskaliger Kathoden für die Hochtemperatur-Brennstoffzelle.
Ivers-Tiffée, E.; Wagner, S. F.
2010. Nano! - Nutzen und Visionen einer neuen Technologie. Hrsg.: R. Bappert, 190–197, Technoseum
Enhancement of oxygen surface kinetics of SrTiO3 by alkaline earth metal oxides.
Ivers-Tiffée, E.; Wagner, S. F.; Warnke, C.; Menesklou, W.; Argirusis, C.; Damjanovic, T.; Borchardt, G.
2006. Solid State Ionics, 177 (19-25), 1607–1612
Sr(Ti,Fe)O3-delta Exhaust Gas Sensors.
Ivers-Tiffée, E.; Schneider, T.; Peters, C.; Wagner, S. F.; Menesklou, W.
2005. Semiconductor materials for sensing: symposium held November 29 - December 2, 2004, Boston, Massachusetts, USA. Ed.: S. Seal, 139–144, Materials Research Society
Enhancement of oxygen surface exchange kinetics of SrTiO3 by alkaline earth metal oxides.
Ivers-Tiffée, E.; Argirusis, C.; Wagner, S. F.; Menesklou, W.; Warnke, C.; Damjanovic, T.; Borchardt, G.
2005. Physical Chemistry, Chemical Physics, 7 (20), 3523–3525
Kinetics of oxygen incorporation into SrTiO3 investigated by frequency-domain analysis.
Ivers-Tiffée, E.; Wagner, S. F.; Menesklou, W.; Schneider, T.
2004. Journal of Electroceramics, 13 (1-3), 645–651
Kinetics of Oxygen Exchange in Sr(Ti0.65Fe0.35)O3.
Ivers-Tiffée, E.; Schneider, T.; Wagner, S. F.; Menesklou, W.
2003. Solid state ionics - 2002: symposium held December 2 - 5, 2002, Boston, Massachusetts, USA. Ed.: P. Knauth, 145–150, Materials Research Society
Non-destructive Testing of Thermal Barrier Coatings by Impedance Spectroscopy.
Ivers-Tiffée, E.; Hilpert, T.; Wagner, S.; Oberacker, R.
2003. Nondestructive characterization of materials XI. Proceedings of the 11. International Symposium, Berlin, Germany, June 24 - 28, 2002. Ed.: R. E. Green, 725–731, Springer Verlag