{"process": "Sputtering", "process_types": [{"abbreviation": "MPS", "description": "Physical Sputtering"}, {"abbreviation": "MSP", "description": "Sputtering"}], "surface": "C", "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 C(pc) at 300 K {"fit_function": "SPTEEX", "coeffs": {"lambda": 4.591, "q": 0.1951, "mu": 1.785, "epsilonL": 0.0009198, "Eth": 19.12}, "E_min": 19.12, "E_max": 100000} angle = 0.0 deg E /eV P 19.12 0.0 22.78 2.808e-05 27.12 0.000135 32.3 0.0003892 38.47 0.0009085 45.82 0.001884 54.56 0.003603 64.98 0.006457 77.39 0.01089 92.16 0.01725 109.8 0.02552 130.7 0.0351 155.7 0.04493 185.4 0.05385 220.8 0.06109 262.9 0.06643 313.2 0.06999 372.9 0.07206 444.1 0.07294 529.0 0.07288 629.9 0.07206 750.2 0.07064 893.5 0.0687 1064.0 0.06633 1267.0 0.06361 1509.0 0.06061 1797.0 0.05738 2140.0 0.05399 2549.0 0.05051 3036.0 0.04698 3615.0 0.04346 4306.0 0.04 5128.0 0.03664 6107.0 0.0334 7273.0 0.03032 8662.0 0.02741 10320.0 0.02468 12280.0 0.02215 14630.0 0.01981 17420.0 0.01767 20750.0 0.01571 24710.0 0.01393 29430.0 0.01232 35050.0 0.01087 41740.0 0.009575 49710.0 0.008415 59200.0 0.007382 70510.0 0.006464 83970.0 0.005651 -----