A radiotracer technique was used to study the diffusion of 110Ag. For an acceptor concentration of 1018/cm3, the diffusivity at 250 to 350C could be described by:

D (cm2/s) = 6 x 10-4 exp[-0.8(eV)/kT]

F.A.Zaitov, V.I.Stafeev, G.S.Khodakov: Fizika Tverdogo Tela, 1972, 14[10], 3072-4