The migration of Hg in the solid electrolyte, at temperatures of between 140 and 250C, was measured by using 203Hg radiotracer and serial sectioning methods. It was found that the diffusivity could be described by:

D (cm2/s) = 0.19 exp[-0.68(eV)/kT]

J.G.Vlasov, J.E.Ermolenko, S.V.Glazunov, V.V.Kolodnikov, A.Orliukas, A.Kezionis: Elektrokhimiya, 1988, 24[6], 837-9 (Soviet Electrochemistry, 1988, 24[6], 781-2)