Figure 6: Stages of proton diffusion. | Nature Communications

Figure 6: Stages of proton diffusion.

From: Experimental neutron scattering evidence for proton polaron in hydrated metal oxide proton conductors

Figure 6

Schematic representation of the phonon-assisted hydrogen diffusion process in a long range chain of oxygen. (a) Oxygen lattice with no protons. (b) Local relaxation of oxygen ions when a proton-polaron is incorporated. (c) Proton rotates around the oxygen to a new position. (d) The new proton position adjusts the oxygen lattice relaxation. (e) Proton hops to the next oxygen site.

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