{"id":242,"qualified_id":"DM242","process":"Diffusivity","process_types":[{"abbreviation":"MDF","description":"Diffusion"}],"method":"Experiment","scaled":false,"material":"Zirconium Alloy","alloy":"GNF-Ziron","species":{"qualified_id":"F1","text":"D","charge":0},"comment":"1.5 µm oxide layer.\r\n\r\nGNF-Ziron that has been allowed to oxidise for 10-15 days such that a layer of O developed. In situ plasma experiment. Discharge tube and vacuum used to expose the sample to plasma. Sometimes called a natural oxide. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.","refs":[{"qualified_id":"B113","authors":"I. Takagi, K. Une, S. Miyamura, T. Kobayashi","title":"Deuterium diffusion in steam-corroded oxide layer of zirconium alloys","journal":"Journal of Nuclear Materials","volume":"419","page_start":"339","page_end":"346","year":2011,"doi":"10.1016/j.jnucmat.2011.06.001","bibcode":"2011JNuM..419..339T","url":"https://dx.doi.org/10.1016/j.jnucmat.2011.06.001"}],"json_data":{"D0":{"value":4.5e-13,"units":"m2.s-1"},"Ed":{"value":0.17,"units":"eV"},"Trange":[523,673]}}