Changes in the electrical conductivity of I-bombarded samples, which occurred during annealing, were monitored. From these data, it was deduced that the diffusivity of I at around 200C could be described by:
D (cm2/s) = 1 x 10-8 exp[-0.4(eV)/kT]
Diffusion of Admixtures Introduced by Ion Bombardment. A.E.Gorodetskii, G.A.Kachurin, L.S.Smirnov: Diffuz. Poluprovodnikov, 1969, 72-80
Table 4
Diffusivity of I in CdTe
Temperature(C) | Source | Sample | Section | Diffusivity(cm2/s) |
20 | I | bulk | 1 | 3 x 10-17 |
20 | I | bulk | 2 | 1 x 10-16 |
20 | I | bulk | 3 | 2.5 x 10-15 |
20 | I | bulk | 4 | 3 x 10-14 |
270 | CdI2 | bulk | 1 | 2 x 10-18 |
270 | CdI2 | bulk | 2 | 3 x 10-17 |
270 | CdI2 | bulk | 3 | 4 x 10-15 |
270 | CdI2 | bulk | 4 | 3 x 10-12 |
20 | CdI2 | bulk | 1 | 2 x 10-20 |
20 | CdI2 | bulk | 2 | 6 x 10-19 |
20 | CdI2 | bulk | 3 | 3 x 10-17 |
20 | CdI2 | bulk | 4 | 2 x 10-14 |
85 | CdI2 | epitaxial | 1 | 5 x 10-20 |
85 | CdI2 | epitaxial | 2 | 4 x 10-18 |
85 | CdI2 | epitaxial | 3 | 3 x 10-16 |
85 | CdI2 | epitaxial | 4 | 9 x 10-14 |