14 A Theoretical Study on Proton Conduction Mechanism in BaZrO 3 Perovskite
245
Fig. 14.16 The potential
energy curves for proton
conduction in Ba 2 Zr 3 O 4 H 2
model: proton conduction
paths along (a) Zr–O–Zr,
(b) O–O diagonal line and
(c) toward centre