In situ structural studies of the reduction of the Ruddlesden-Popper phase,La1.2Sr0.8MnO4-x in flowing H2-gas and O2-gas
This application is concerned with the defect chemistry of metal oxides having relevance to fuel-cell technology. More specifically, it focuses on the oxidized form La1.2Sr0.8MnO4.27 of the n = 1 Ruddlesden-Popper phase that forms under oxygen gas with retention of the I4/mmm symmetry despite the highest amount of interstitial oxygen inserted, ever found in a K2NiF4-like oxide material. We wish to study the oxidation of La1.2Sr0.8MnO3.92 in situ under oxygen flow using NPD on D20 as function of the temperature in order to understand the dynamics of the interstitial oxygen incorporation paying particular attention to the structure relationship that might exist between La1.2Sr0.8MnO3.92 and its connection with the unpredicted behaviour of the lattice parameters on oxidation.
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BAHOUT Mona; CHANDAN Amrit; GAUTHIER Gilles; GREAVES Colin; HANLON James; Thomas C. Hansen and PAOFAI SERGE. (2013). In situ structural studies of the reduction of the Ruddlesden-Popper phase,La1.2Sr0.8MnO4-x in flowing H2-gas and O2-gas. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-25-199
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