{"id":84,"qualified_id":"DM84","process":"Diffusivity","process_types":[{"abbreviation":"MDF","description":"Diffusion"}],"method":"Theory","scaled":false,"material":"W","alloy":"","material_composition":"99.95 wt%","species":{"qualified_id":"F3","text":"H","charge":0},"comment":"Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.","refs":[{"qualified_id":"B26","authors":"R. Frauenfelder","title":"Solution and Diffusion of Hydrogen in Tungsten","journal":"Journal of Vacuum Science and Technology","volume":"6","page_start":"388","page_end":"397","year":1969,"doi":"10.1116/1.1492699","bibcode":"1969JVST....6..388F","url":"https://dx.doi.org/10.1116/1.1492699"}],"json_data":{"D0":{"value":4.1e-07,"units":"m2.s-1","unclo":2e-07,"unchi":5e-07},"Ed":{"value":0.39,"units":"eV","unc":0.09},"Trange":[1120,2080]}}