The 6Li(n,α)3H reaction was used to determine T diffusion profiles. The diffusivity, at temperatures ranging from -78 to 204C, could be described by:

D (cm2/s) = 2.1 x 10-4exp[-0.61(eV)/kT]

T.S.Elleman, J.H.Austin, K.Verghese: Transactions of the American Nuclear Society, 1972, 15[1], 229-30