A study was made of isothermal gas release from single crystals which had been irradiated to a neutron dose (E ≥ 10keV) of 5.8 x 1015/cm2. The data for Xe diffusion in α-Cs0.98Rb0.2Cl, at temperatures ranging from 370 to 600C, could be described by:

D (cm2/s) = 20 exp[-1.2(eV)/kT]

Rare Gas Diffusion in Neutron Irradiated CsCl and CsI. F.W.Felix, K.Meier: Physica Status Solidi B, 1969, 32[2], K139-42

 

Table 52

Diffusivity of Cl- in CuCl Melts

 

Temperature (C)

D (cm2/s)

450

1.29 x 10-5

462

1.79 x 10-5

520

2.23 x 10-5

592

3.09 x 10-5

650

3.90 x 10-5

750

4.50 x 10-5