{"id":80,"qualified_id":"DM80","process":"Permeation","process_types":[{"abbreviation":"MPM","description":"Permeation"}],"method":"Experiment","scaled":false,"material":"W","alloy":"","material_composition":"99.95 wt%","species":{"qualified_id":"F1","text":"D","charge":0},"comment":"P^0.5 behaviour confirmed. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.","refs":[{"qualified_id":"B65","authors":"F. Liu, H. Zhou, X. Li, Y. Xu, Z. An, H. Mao, W. Xing, Q. Hou, G. Luo","title":"Deuterium gas-driven permeation and subsequent retention in rolled tungsten foils","journal":"Journal of Nuclear Materials","volume":"455","page_start":"248","page_end":"252","year":2014,"doi":"10.1016/j.jnucmat.2014.06.005","bibcode":"2014JNuM..455..248L","url":"https://dx.doi.org/10.1016/j.jnucmat.2014.06.005"}],"json_data":{"P0":{"value":1.85e-07,"units":"mol.m-1.s-1.Pa-1/2"},"Ep":{"value":1.21,"units":"eV"},"Trange":[850,950]}}