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SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES

9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008. SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES. N.Trifonov, D.Kogut. Moscow Engineering and Physics Institute (State University), Russian Federation.

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SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES

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  1. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES N.Trifonov, D.Kogut Moscow Engineering and Physics Institute (State University), Russian Federation

  2. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Simulation is based on SCATTER code SCATTER code feature: * TRIM-like code * takes into account the surface roughness Source Scattering, Sputtering Z zi zi+1 Deposition Sputtering Δx X

  3. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES New feature: * Relief modification Source Deposition + ΔS Sputtering - ΔS Z zi zi+1 Δx X

  4. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES ΔS = Δx Δz D Source Deposition + ΔS Φ, N Sputtering - ΔS Z zi Chemical sputtering Y(E, T) zi+1 Δx X

  5. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES D → Be Ф = 1025 ÷ 1026 1/m2 N = 108 ÷ 109 • Modeling: • Flat surface • Ridge • Gap α

  6. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Flat surface D → Be Ф = 1025 1/m2 N = 108

  7. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Flat surface D → Be Ф = 1025 1/m2 N = 108

  8. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 30°, 60°, 90°, 120° Source α

  9. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 30°

  10. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 30°

  11. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 60°

  12. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 60°

  13. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 60°

  14. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 90°

  15. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 90°

  16. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 120°

  17. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 120°

  18. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 90° θ0 = 60°

  19. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Ridge D → Be Ф = 1025 1/m2 N = 108 α = 90° θ0 = 60°

  20. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Gap D → Be Ф = 4·1025 1/m2 N = 109 θ0=Cos, 70

  21. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Gap D → Be Ф = 4·1025 1/m2 N = 109 θ0 = Cos

  22. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Gap D → Be Ф = 4·1025 1/m2 N = 109 θ0 =Cos

  23. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Gap θ0=70°

  24. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Gap θ0=70°

  25. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES • To Do • Material mixture, mixed films and materials • (TRIM.SP -> TRIDYN) • 3D modeling • More realistic model of hydrogen isotopes binding • More realistic mesh

  26. 9th International Workshop on Hydrogen Isotopes in Fusion Reactor Materials Salamanca. Spain. June 2-3, 2008 SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES Thank you for your attention The work was supported by ISTC Grant #2805 Helmholtz association grant HRJRG022, RFBR grant #07-08-92280 СИГ_a

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