Defect chemistry and catalysis of Sr(Ti,Fe)O3-δ perovskite
![Fig. 1: (a) Electronic conductivity (b) oxygen exchange rate constant of Sr(Ti1-xFex)O3-d as function of Fe content.](/6276100/original-1518447062.jpg?t=eyJ3aWR0aCI6MjQ2LCJvYmpfaWQiOjYyNzYxMDB9--d1fd93dcc85fbaaa8354fbf685342ac5c064d4a7)
Fig. 1: (a) Electronic conductivity (b) oxygen exchange rate constant of Sr(Ti1-xFex)O3-d as function of Fe content.
![Fig. 2: (a) Competing reaction paths for surface atomic oxygen O* (b) Perovskite's oxygen stoichiometry 3-δ under reaction conditions with CO (red) or CH4 (blue), measured by thermogravimetry.](/6276112/original-1518447062.jpg?t=eyJ3aWR0aCI6MjQ2LCJvYmpfaWQiOjYyNzYxMTJ9--db340ac2ed05f46bdf41c6890dbd4dbbe421e333)
Fig. 2: (a) Competing reaction paths for surface atomic oxygen O* (b) Perovskite's oxygen stoichiometry 3-δ under reaction conditions with CO (red) or CH4 (blue), measured by thermogravimetry.
Publications:
- D. Poetzsch, R. Merkle, and J. Maier
Solution of the three-carrier problem: A natural explanation for surprising observations Annual Report MPI-FKF 2014
- D. Poetzsch, R. Merkle, and J. Maier
Stoichiometry Variation in Materials with Three Mobile Carriers—Thermodynamics and Transport Kinetics Exemplified for Protons, Oxygen Vacancies, and Holes
Advanced Functional Materials 25(10), 1542–1557 (2015). DOI: 10.1002/adfm.201402212