{"process": "Sputtering", "process_types": [{"abbreviation": "MPS", "description": "Physical Sputtering"}, {"abbreviation": "MSP", "description": "Sputtering"}], "surface": "V", "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 V(pc) at 300 K {"fit_function": "SPTEEX", "coeffs": {"lambda": 0.1705, "q": 0.2146, "mu": 1.423, "epsilonL": 0.0002108, "Eth": 29.09}, "E_min": 29.09, "E_max": 100000} angle = 0.0 deg E /eV P 29.09 0.0 34.35 0.0004825 40.56 0.001675 47.89 0.003794 56.55 0.007094 66.78 0.01174 78.85 0.01769 93.1 0.02464 109.9 0.03211 129.8 0.03955 153.3 0.04654 181.0 0.05284 213.7 0.05837 252.3 0.06316 297.9 0.06727 351.8 0.0708 415.4 0.07382 490.5 0.0764 579.2 0.07857 683.9 0.08036 807.5 0.08177 953.5 0.08281 1126.0 0.08348 1329.0 0.08376 1570.0 0.08364 1853.0 0.08313 2188.0 0.0822 2584.0 0.08088 3051.0 0.07915 3603.0 0.07705 4254.0 0.0746 5023.0 0.07183 5931.0 0.06878 7003.0 0.0655 8270.0 0.06204 9765.0 0.05844 11530.0 0.05477 13610.0 0.05107 16080.0 0.0474 18980.0 0.04378 22410.0 0.04026 26460.0 0.03687 31250.0 0.03364 36900.0 0.03057 43570.0 0.02769 51440.0 0.025 60740.0 0.0225 71720.0 0.02019 84690.0 0.01807 -----