Fundamentals of proton self diffusion in proton conducting perovskite type oxides
This continuation proposal requests 11 days on IN11 to investigate the role of dopant atoms on the mechanistic aspects of local proton dynamics in proton conducting perovskite type oxides of relevance for the development of intermediate temperature fuel cells. More specifically, we aim to investigate the important Q dependence of a local dynamical process observed in our previous experiment in order to elucidate its nature with respect to spatial geometry and how it is affected by the type of dopant atom (M) in the two materials BaZr0.9M0.1O3H0.1 (M = Y and Sc). In addition, we propose to measure on one un-protonated sample (BaZr0.9Y0.1O2.95) in order to confirm that the observed relaxational decays of the intermediate scattering function of the hydrated samples are due to the protons.
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KARLSSON Maths; FOUQUET Peter; KOZA Michael Marek; NOFERINI Daria and WAHNSTROM Göran. (2014). Fundamentals of proton self diffusion in proton conducting perovskite type oxides. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-03-130
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