{"process": "Sputtering", "process_types": [{"abbreviation": "MPS", "description": "Physical Sputtering"}, {"abbreviation": "MSP", "description": "Sputtering"}], "surface": "Sn", "surface_phase": "pc", "species": {"text": "(4He)+", "charge": 1}, "temperature": 300, "comment": "Eckstein equation (2) is incorrect; use formula given on p.18 of APID-7B", "refs": [{"id": 144, "authors": "W. Eckstein", "title": "Sputtering Yields. In: Sputtering by Particle Bombardment", "journal": "Topics in Applied Physics", "volume": "110", "page_start": "", "page_end": "", "article_number": "", "year": 2007, "note": "Springer, Berlin, Heidelberg", "doi": "https://doi.org/10.1007/978-3-540-44502-9_3", "bibcode": "", "url": ""}]} ------------------------------------------------------------------------ Sputtering of (4He)+ on Sn(pc) at 300 K {"fit_function": "SPTEEX", "coeffs": {"lambda": 0.1102, "q": 0.3244, "mu": 1.852, "epsilonL": 8.084e-05, "Eth": 29.61}, "E_min": 29.61, "E_max": 100000} angle = 0.0 deg E /eV P 29.61 0.0 34.95 0.0002125 41.26 0.00104 48.7 0.002933 57.48 0.006444 67.85 0.01203 80.08 0.01972 94.52 0.02896 111.6 0.03879 131.7 0.0483 155.4 0.05696 183.5 0.06463 216.6 0.0714 255.6 0.07744 301.7 0.08292 356.1 0.08798 420.4 0.09271 496.2 0.09716 585.7 0.1014 691.3 0.1053 816.0 0.1091 963.2 0.1125 1137.0 0.1157 1342.0 0.1185 1584.0 0.121 1870.0 0.1231 2207.0 0.1248 2605.0 0.126 3074.0 0.1267 3629.0 0.1269 4283.0 0.1264 5056.0 0.1254 5968.0 0.1239 7044.0 0.1217 8315.0 0.1189 9814.0 0.1156 11580.0 0.1117 13670.0 0.1074 16140.0 0.1027 19050.0 0.09771 22490.0 0.09243 26540.0 0.08697 31330.0 0.08142 36980.0 0.07584 43650.0 0.07031 51520.0 0.06489 60810.0 0.05963 71780.0 0.05457 84720.0 0.04974 -----