Fluoride solid electrolytes: investigation of the tysonite-type solid solutions La1−xBaxF3−x (x < 0.15)Electronic supplementary information (ESI) available: XRD patterns of La1−xBaxF3−x, synthesis conditions, XRD Rietveld refinement of La0.95Ba0.05F2.95, neutron diffraction refinements models, neutron diffraction patterns, interatomic distances, cell parameter evolution, 19F MAS NMR spectra of La1−xBaxF3−x, RT-conductivity vs. x, Nyquist diagram (non-sintered pellet), and equivalent capacity and
Pure tysonite La 1− x Ba x F 3− x solid solutions for x < 0.15 were prepared by solid state synthesis in a platinum tube under an azote atmosphere with subsequent quenching for 0.07 ≤ x < 0.15. The solid solutions were studied by X-ray, electron and neutron diffractions and by 19 F NMR and imp...
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