Tritium diffusion in rutile (TiO2)
| Autor: | R. A. Perkins, J. V. Cathcart, L. C. Manley, J. B. Bates |
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| Rok vydání: | 1979 |
| Předmět: | |
| Zdroj: | Journal of Applied Physics. 50:4110-4119 |
| ISSN: | 1089-7550 0021-8979 |
| DOI: | 10.1063/1.326490 |
| Popis: | The diffusivity of tritium in rutile single crystals has been measured parallel to the a and c axes in the temperature range 250–900 °C. Raman‐scattering measurements were also made to aid in identifying a nonpolar tritium species involved in the diffusion process. Two species, OT− ions and T2 molecules, are involved in tritium migration. The OT− ions dissociate preceding each tritium jump. Along the a axis the T2 molecules diffuse four orders of magnitude slower than the T+ ions associated with OT−. No dependency of the tritium diffusivity upon the rutile defect structure was observed. |
| Databáze: | OpenAIRE |
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