An investigation was made of the diffusion-controlled release of Kr from neutron-irradiated single crystals which were doped with about 0.05mol%U (table 185).

F.W.Felix, H.Seelig: Nukleonik, 1967, 9[8], 389-92

 

 

Table 185

Diffusion of 88Kr from Neutron-Irradiated

U-Doped CaF2 Single Crystals

 

Temperature (C)

D (cm2/s)

945

1 x 10-10

1000

7 x 10-10

1100

1.4 x 10-7