{"id":28,"qualified_id":"DM28","process":"Diffusivity","process_types":[{"abbreviation":"MDF","description":"Diffusion"}],"method":"Experiment","scaled":false,"material":"Be","alloy":"","species":{"qualified_id":"F4","text":"T","charge":0},"comment":"Data as provided by G. de Temmerman (ITER); compare with values in Table 1 of Causey et al.: D0 = 3e-11 m2.s-1, Ed = 0.19 eV ??","refs":[{"qualified_id":"B29","authors":"R. Causey, W. Hsu, B. Mills, J. Ehrenberg, V. Phillips","title":"Tritium retention and migration in beryllium","journal":"Journal of Nuclear Materials","volume":"176-177","page_start":"654","page_end":"660","year":1990,"doi":"10.1016/0022-3115(90)90122-4","bibcode":"1990JNuM..176..654C","url":"https://dx.doi.org/10.1016/0022-3115(90)90122-4"}],"json_data":{"D0":{"value":8e-09,"units":"m2.s-1"},"Ed":{"value":0.36,"units":"eV"},"Trange":[298,770]}}