{"id":76,"qualified_id":"DM76","process":"Permeation","process_types":[{"abbreviation":"MPM","description":"Permeation"}],"method":"Experiment","scaled":false,"material":"W","alloy":"","material_composition":"99.99% (ITER)","species":{"qualified_id":"F1","text":"D","charge":0},"comment":"Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.","refs":[{"qualified_id":"B63","authors":"W. Byeon, S. Noh","title":"Deuterium transport in ITER-grade tungsten","journal":"Journal of Nuclear Materials","volume":"544","page_start":"152675","article_number":"152675","year":2021,"doi":"10.1016/j.jnucmat.2020.152675","bibcode":"2021JNuM..54452675B","url":"https://dx.doi.org/10.1016/j.jnucmat.2020.152675"}],"json_data":{"P0":{"value":1.29e-06,"units":"mol.m-1.s-1.Pa-1/2"},"Ep":{"value":1.52,"units":"eV"},"Trange":[923,1123]}}