Abstract:The proton-conducting hydrated alkali thio-hydroxogermanates M x GeS x (OH) 4−x •yH 2 O (M = Na and K; x = 1 − 4, y ≈ 0.5 − 2) were investigated by means of neutron diffraction with the aim to elucidate how the structure changes as a function of alkaliion concentration, x, type of alkali ion, M, and water content, y. For x = 1 − 3 we find that the materials are amorphous and composed of thio-hydroxogermanate anions, water molecules, and charge balancing alkali ions, whereas for x = 4 we find that the materials… Show more
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