The diffusivity of Ne was studied by using a desorption technique. The results (figure 16) showed that there was an inflection point in the temperature dependence at about 663K. It was also shown that, at pressures of 1 to 15atm, the diffusion coefficient was independent of the pressure.

A.Y.Kupryazhkin, P.V.Volobuev, P.E.Suetin: Zh. Tekh. Fiz., 1975, 45[2], 431-2