The diffusivity of Al in single crystals was studied at 914 to 1212K by using secondary ion mass spectrometry. The results could be described by:

D (cm2/s) = 1.0 x 100 exp[-14.7(kcal/mol)/RT]

W.Gust, M.B.Hintz, A.Lodding, H.Odelius, B.Predel: Physica Status Solidi A, 1981, 64[1], 187-94