Predicting kinetic electron emission in molecular dynamics simulations of sputtering

Journal of Physical Chemistry C

Volumn 114, Issue 12, 2010, Pages 5715-5720

  Duvenbeck, A ^a   Weidtmann, B ^a   Wucher, A ^a  

^a UNIVERSITY OF DUISBURG ESSEN   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

AB INITIO; ATOMIC COLLISION CASCADES; COMPUTER SIMULATION MODEL; DEGREE OF FREEDOM; ELECTRONIC EFFECTS; KINETIC ELECTRON EMISSION; MANY-BODY; MD SIMULATION; METAL SURFACES; MOLECULAR DYNAMICS SIMULATIONS; PARTICLE BOMBARDMENT; PARTICLE IMPACT; QUANTUM MECHANICS; SECONDARY IONS; SILVER SURFACE; SYSTEM SIZE;

COMPUTER SIMULATION; FORECASTING; ION BOMBARDMENT; MOLECULAR DYNAMICS; QUANTUM THEORY;

ELECTRON EMISSION;

EID: 77950192927     PISSN: 19327447     EISSN: 19327455     Source Type: Journal    
DOI: 10.1021/jp905923w     Document Type: Article

References (35)

1. Alonso, E. V.; Alurralde, M. A.; Baragiola, R. A. Surf. Sci. 1986, 166, L155.
2. Baragiola, R. A. Principles and mechanisms of ion induced electron emission. Nucl. Instrum. Methods Phys. Res., Sect. B 1993, 78, 223-238.
3. Baragiola, R. A. Low Energy Ion-Surface Interactions; Wiley: New York, 1994; Chapter 4, pp 187-262.
4. Baragiola, R. A. Invited review: Some challenging unsolved problems in atomic collisionsin solids. Nucl. Instrum. Methods Phys. Res., Sect. B 2005, 237, 520-524.
5. Baragiola, R. A.; Alonso, E. V.; Oliva Florio, A. Electron emission from clean metal surfaces induced by low-energy light ions. Phys. Rev. B 1979, 19, 121.
6. Duvenbeck, A.; Lindenblatt, M.; Wucher, A. Self sputtering yields of silver under bombardment with polyatomic projectiles. Nucl. Instrum. Methods Phys. Res., Sect. B 2005, 228, 170-175.
7. Duvenbeck, A.; Sroubek, F.; Sroubek, Z.; Wucher, A. Computer simulation of low-energy electronic excitations in atomic collision cascades. Nucl. Instrum. Methods Phys. Res., Sect. B 2004, 225, 464.
8. Duvenbeck, A.; Sroubek, Z.; Wucher, A. Electronic excitation in atomic collision cascades. Nucl. Instrum. Methods Phys. Res., Sect. B 2005, 228, 325-329.
9. Duvenbeck, A.; Weidtmann, B.; Weingart, O.; Wucher, A. Modeling hot-electron generation induced by electron promotion in atomiccollision cascades in metals. Phys. Rev. B 2008, 77, 245444.
10. Duvenbeck, A.; Weingart, O.; Buss, V.; Wucher, A. Electronic friction and electron promotion in atomic collision cascades. New J. Phys. 2007, 9, 38.
11. Duvenbeck, A.; Weingart, O.; Buss, V.; Wucher, A. On the role of electronic friction and electron promotion in kinetic excitation of solids. Nucl. Instrum. Methods Phys. Res., Sect. B 2007, 255, 281-285.
12. Duvenbeck, A.; Weingart, O.; Buss, V.; Wucher, A. The role of electronic friction of low-energy recoils in atomic collision cascades. Nucl. Instrum. Methods Phys. Res., Sect. B 2007, 258, 83-86.
13. Duvenbeck, A.; Wucher, A. Low energy electronic excitation in atomic collision cascades: a nonlinear transport model. Phys. Rev. B 2005, 72, 165408.
14. Fano, U.; Lichten, W. Interpretation of Ar+-Ar collisions at 50 keV. Phys. Rev. Lett. 1965, 14 (16), 627.
15. Harrison, D. E. Garrison, B. J. Winograd. N. Computer simulation of sputtering. In Proceedings of the ASMS, St. Louis, MO, May 1978, pp 198-200.
16. Hofer, W. O. Ion-induced electron emission from solids. Scanning Microsc. Suppl. 1990, 4, 265-310.
17. Joyes, P. Theoretical models in secondary ionic emission. Radiat. Eff. 1973, 19, 235.
18. Kelchner, C. L.; Halstead, D. M.; Perkins, L. S.; Wallace, N. M.; DePristo, A. E. Construction and evaluation of embedding functions. Surf. Sci. 1994, 310, 425.
19. Kovacs, D. A.; Peters, T.; Haake, C.; Schleberger, M.; Wucher, A.; Golczewski, A.; Aumayr, F.; Diesing, D. Potential electron emission induced by multiply charged ions in thin film tunnel junctions. Phys. Rev. B 2008, 77, 245432.
20. Lakits, G.; Aumayr, F.; Heim, M.; Winter, H. Threshold of ioninduced kinetic electron emission from a clean metal surface. Phys. Rev. A 1990, 42, 5780.
21. Lang, N. D. Ionization probability of sputtered atoms. Phys. Rev. B 1983, 27, 2019.
22. Lin, Z.; Zhigilei, L. V. Electron-phonon coupling and electron heat capacity of metals under conditions of strong electron-phonon nonequilibrium. Phys. Rev. B 2008, 77, 075133.
23. Lindenblatt, M.; Heinrich, R.; Wucher, A.; Garrison, B. J. Selfsputtering of silver by mono-and polyatomic projectiles: A molecular dynamics investigation. J. Chem. Phys. 2001, 115 (18), 8653.
24. Lindenblatt, M.; Pehlke, E.; Duvenbeck, A.; Rethfeld, B.; Wucher, A. Kinetic excitation of solids: The concept of electronic friction. Nucl. Instrum. Methods Phys. Res., Sect. B 2006, 246 (2), 333-339.
25. Lindhard, J. Mat.-Fys. Medd.-K. Dan. Vidensk. Selsk. 1954, 28 (8).
26. Newns, D. M.; Makoshi, K.; Brako, R.; van Wunnik, J. N. M. Charge transfer in inelastic ion and atom-surface collisions. Phys. Scr. 1983, T6, 5-14.
27. Race, C. P.; Mason, D. R.; Sutton, A. P. Electronic excitations and their effect on the interionic forces in simulations of radiation damage in metals. J. Phys.: Condens. Matter 2009, 21 (11), 115702. (8pp).
28. Roy, H. V.; Boschung, J.; Patthey, F.; Fayet, P.; Schneider, W. D. Anomalous virtual bound state width in photoemission from Pt impurities on Ag (110). Phys. Rev. Lett. 1993, 70, 17.
29. Sroubek, Z. Formation of ions in sputtering. Spectrochim. Acta 1989, 44 B, 317.
30. Sroubek, Z.; Chen, X.; Yarmoff, J. A. Ion formation and kinetic electron emission during the impact of slow atomic metal particles on metal surfaces. Phys. Rev. B 2006, 73 (4), 045427-.
31. Urbassek, H. M. Molecular-dynamics simulation of sputtering. Nucl. Instrum. Methods Phys. Res., Sect. B 1997, 122 (3), 427-441.
32. Urbassek, H. M. Sputter theory. Mat.-Fys. Medd.-K. Dan. Vidensk. Selsk. 2007, 52, 433.
33. Wucher, A. Sputtering: Experiment. Mat.-Fys. Medd.-K. Dan. Vidensk. Selsk. 2007, 52, 405.
34. Wucher, A.; Garrison, B. J. Sputtering of silver dimers: a molecular dynamics calculation using a many-body embedded-atom potential. Surf. Sci. 1992, 260, 257-266.
35. Yu, M. L. Sputtering by Particle Bombardment III; Springer-Verlag: Berlin, Heidelberg, 2001; Chapter 3, pp 91-154.