Migration in the metallic glass was studied at 575 to 645K by using Rutherford back-scattering spectrometry. The diffusivity of Pb in as-quenched samples could be described by:

D (cm2/s) = 5.89 x 10-10 exp[-0.77(eV)/kT]

S.K.Sharma, S.Banerjee, Kuldeep, A.K.Jain: Acta Metallurgica, 1988, 36[7], 1683-90