{"id":73,"qualified_id":"DM73","process":"Permeation","process_types":[{"abbreviation":"MPM","description":"Permeation"}],"method":"Experiment","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":{"P0":{"value":6.027e-07,"units":"mol.m-1.s-1.Pa-1/2"},"Ep":{"value":1.43,"units":"eV"},"Trange":[1120,2080]}}