{"id":142,"qualified_id":"DM142","process":"Permeation","process_types":[{"abbreviation":"MPM","description":"Permeation"}],"method":"Experiment","scaled":false,"material":"Ni","alloy":"","material_composition":"99.95%","species":{"qualified_id":"F4","text":"T","charge":0},"comment":"Tracer technique, T/H ratio 0.000125. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.","refs":[{"qualified_id":"B67","authors":"T. Ikeda, T. Otsuka, T. Tanabe","title":"Hydrogen permeation in metals near room temperature by a tritium tracer technique","journal":"Journal of Nuclear Materials","volume":"417","page_start":"568","page_end":"571","year":2011,"doi":"10.1016/j.jnucmat.2010.12.116","bibcode":"2011JNuM..417..568I","url":"https://dx.doi.org/10.1016/j.jnucmat.2010.12.116"}],"json_data":{"P0":{"value":7.02e-07,"units":"mol.m-1.s-1.Pa-1/2","unc":4.2e-07},"Ep":{"value":0.55,"units":"eV","unc":0.02},"Trange":[298,353]}}