The diffusive behavior of 6Li was studied at 50 to 150C. The results could be described by:

D (cm2/s) = 1.0 x 10-6 exp[-0.43(eV)/kT]

M.Hufschmidt, W.Möller, T.Pfeiffer: Vakuum Technik, 1976, 25, 206-9