Neutron spectroscopy studies on proton conducting oxides

Orateur : Maths KARLSSON (Department of Applied Physics, Chalmers University of Technology,412 96 Göteborg, Sweden)

Understanding the fundamental properties, such as atomic-scale structure and dynamics, of materials of relevance for alternative energy technologies is crucial in addressing the global challenge of cleaner sources of energy. A primary example is proton conducting oxides, which show promise as electrolytes in next-generation, intermediate-temperature, fuel cells. However, the realization of such devices depends critically on the development of new, more highly proton conducting oxides. Such a development depends on increasing the current understanding of proton conduction in oxides and for this purpose neutron scattering, in particular inelastic and quasielastic methods, is an important means. The aim with this presentation is to provide an introduction to proton conducting oxides and thereafter exemplify with recent neutron studies on such materials.

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