Short-Range Structure and Phonon Assignment of the Brownmillerite-Type Oxide Ba${}_2$In${}_2$O${}_5$ and its Hydrated Proton-Conducting Form BaInO${}_3$H

Johan Bielecki, Stewart F. Parker, Dharshani Ekanayake +3

The vibrational spectra and short-range structure of the brownmillerite-type oxide Ba${}_2$In${}_2$O${}_5$ and its hydrated form BaInO${}_3$H, are investigated by means of Raman, i…