It was demonstrated that diffusion of deuterons and protons in crystalline rutile, TiO2, could be induced near room temperature by breaking of the O-H bond with electron irradiation and sweeping of these hydrogenic species along the c axis by an electric field.
Diffusion of Deuterium and Hydrogen in Rutile TiO2 Crystals at Low Temperatures. Chen, Y., Gonzalez, R., Tsang, K.L.: Physical Review Letters, 1984, 53[11], 1077-9
Table 3
Diffusivity of Cs and Na in TiO2
Temperature (C) | Ion | D (m2/s) |
25 | Na+ | 7.00 x 10-13 |
25 | Cs+ | 9.60 x 10-13 |
42 | Na+ | 9.60 x 10-13 |
42 | Cs+ | 1.26 x 10-12 |
50 | Na+ | 1.25 x 10-12 |
50 | Cs+ | 1.64 x 10-12 |
57 | Na+ | 1.81 x 10-12 |
57 | Cs+ | 2.57 x 10-12 |