SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
Moscow Engineering and Physics Institute (State University), Russian Federation
N.Trifonov, D.Kogut
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
Simulation is based on SCATTER codeSCATTER code feature: * TRIM-like code * takes into account the surface roughness
Z
X
zi
zi+1
Δx
Scattering, Sputtering
DepositionSputtering
Source
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
New feature:* Relief modification
Z
X
zi
zi+1
Δx
Sputtering- ΔS
Deposition+ ΔS
Source
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
ΔS = Δx Δz
Z
X
zi
zi+1
Δx
Sputtering- ΔS
Deposition+ ΔS
Source
xN
DФz
3
D
Φ, N
Chemical sputteringY(E, T)
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
Modeling:
1. Flat surface
2. Ridge
3. Gap
D → BeФ = 1025 ÷ 1026 1/m2
N = 108 ÷ 109
α
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
Flat surfaceD → BeФ = 1025 1/m2
N = 108
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
Flat surfaceD → BeФ = 1025 1/m2
N = 108
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 30°, 60°, 90°, 120°
Source
α
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 30°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 30°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 60°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 60°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 60°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 90°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 90°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 120°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 120°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 90°θ0 = 60°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
RidgeD → BeФ = 1025 1/m2
N = 108
α = 90°θ0 = 60°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
GapD → BeФ = 4·1025 1/m2
N = 109
θ0 = Cos, 70
0 5 10 15 200
5
10
Z,
mkm
X, mkm
A B
X
Z
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
GapD → BeФ = 4·1025 1/m2
N = 109
θ0 = Cos
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
GapD → BeФ = 4·1025 1/m2
N = 109
θ0 = Cos
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
Gapθ0=70°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
Gapθ0=70°
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. 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
9th International Workshop on Hydrogen Isotopes in Fusion Reactor MaterialsSalamanca. Spain. June 2-3, 2008
SIMULATION OF PLASMA FACING MATERIAL SPUTTERING BY HYDROGEN ISOTOPES
Thank you for your attention
The work was supported byISTC Grant #2805Helmholtz association grant HRJRG022,RFBR grant #07-08-92280 СИГ_a
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