Acknowledgement
This research was funded by the National Research Foundation of Korea (NRF) funded by the Korean government (MSIP), grant number 2019M1A7A1A02085179. This work also supported by the 2020 Yeungnam University Research Grant.
References
- R. Toschi, Nuclear fusion, an energy source, Fusion Eng. Des. 36 (1997) 1-8. https://doi.org/10.1016/S0920-3796(97)00007-0
- J. Ongena, G.V. Oost, Energy for future centuries: will fusion Be an inexhaustible, safe, and clean energy source? Fusion Sci. Technol. 45 (2004) 3-14. https://doi.org/10.13182/FST04-A464
- C. Ren, Z.Z. Fang, H. Zhang, M. Koopman, The study on low temperature sintering of nano-tungsten powders, Int. J. Refract. Metals Hard Mater. 61 (2016) 273-278. https://doi.org/10.1016/j.ijrmhm.2016.10.003
- J. Jussila, F. Granberg, K. Nordlund, Effect of random surface orientation on W sputtering yields, Nucl. Mater. Energy 17 (2018) 113-122. https://doi.org/10.1016/j.nme.2018.08.002
- G. Federici, C.H. Skinner, J.N. Brooks, J.P. Coad, C. Grisolia, A.A. Haasz, A. Hassanein, V. Philipps, C.S. Pitcher, J. Roth, W.R. Wampler, D.G. Whyte, Plasma-material interactions in current tokamaks and their implications for next step fusion reactors, Nucl. Fusion 41 (2001) 1967-2137. https://doi.org/10.1088/0029-5515/41/12/218
- A. Kallenbach, R. Neu, R. Dux, H.U. Fahrbach, J.C. Fuchs, L. Giannone, O. Gruber, A. Herrmann, P.T. Lang, B. Lipschultz, C.F. Maggi, J. Neuhauser, V. Philipps, T. Putterich, V. Rohde, J. Roth, G. Sergienko, A. Sips, A.U. Team, Tokamak operation with high-Z plasma facing components, Plasma Phys. Contr. Fusion 47 (2005) B207-B222. https://doi.org/10.1088/0741-3335/47/12B/S16
- J. Roth, J. Bohdansky, W. Ottenberger, Unity yield conditions for sputtering of graphite by carbon ions, J. Nucl. Mater. 165 (1989) 193-198. https://doi.org/10.1016/0022-3115(89)90194-3
- D. Naujoks, K. Asmussen, M. Bessenrodt-Weberpals, S. Deschka, R. Dux, W. Engelhardt, A.R. Field, G. Fussmann, J.C. Fuchs, C. Garcia-Rosales, S. Hirsch, P. Ignacz, G. Lieder, K.F. Mast, R. Neu, R. Radtke, J. Roth, U. Wenzel, Tungsten as target material in fusion devices, Nucl. Fusion 36 (1996) 671-687. https://doi.org/10.1088/0029-5515/36/6/I01
- Y. Hirooka, M. Bourham, J.N. Brooks, R.A. Causey, G. Chevalier, R.W. Conn, W.H. Eddy, J. Gilligan, M. Khandagle, Y. Ra, Evaluation of tungsten as a plasma-facing material for steady state magnetic fusion devices, J. Nucl. Mater. 196-198 (1992) 149-158. https://doi.org/10.1016/S0022-3115(06)80022-X
- H. Xie, R. Ding, A. Kirschner, J.L. Chen, F. Ding, H.M. Mao, W. Feng, D. Borodin, L. Wang, ERO modelling of tungsten erosion and re-deposition in EAST L mode discharges, Phys. Plasmas 24 (2017), 092512. https://doi.org/10.1063/1.4991457
- B. Wielunska, M. Mayer, T. Schwarz-Selinger, A.E. Sand, W. Jacob, Deuterium retention in tungsten irradiated by different ions, Nucl. Fusion 60 (2020), 096002. https://doi.org/10.1088/1741-4326/ab9a65
- R. Neu, R. Dux, A. Geier, O. Gruber, A. Kallenbach, K. Krieger, H. Maier, R. Pugno, V. Rohde, S. Schweizer, Tungsten as plasma-facing material in ASDEX Upgrade, Fusion Eng. Des. 65 (2003) 367-374. https://doi.org/10.1016/S0920-3796(02)00381-2
- I. Bizyukov, K. Krieger, N. Azarenkov, U.v. Toussaint, Relevance of surface roughness to tungsten sputtering and carbon implantation, J. Appl. Phys. 100 (2006) 113302. https://doi.org/10.1063/1.2400393
- T. Putterich, R. Neu, R. Dux, A.D. Whiteford, M.G. O'Mullane, H.P. Summers, Calculation and experimental test of the cooling factor of tungsten, Nucl. Fusion 50 (2010), 025012. https://doi.org/10.1088/0029-5515/50/2/025012
- M. Hellwig, M. Koppen, A. Hiller, H.R. Koslowski, A. Litnovsky, K. Schmid, C. Schwab, R.A. De Souza, Impact of surface roughness on ion-surface interactions studied with energetic carbon ions 13C+ on tungsten surfaces, Condensed Matter 4 (2019) 29. https://doi.org/10.3390/condmat4010029
- A. Kreter, S. Brezinsek, T. Hirai, A. Kirschner, K. Krieger, M. Mayer, V. Philipps, A. Pospieszczyk, U. Samm, O. Schmitz, B. Schweer, G. Sergienko, K. Sugiyama, T. Tanabe, Y. Ueda, P. Wienhold, Effect of surface roughness and substrate material on carbon erosion and deposition in the TEXTOR tokamak, Plasma Phys. Contr. Fusion 50 (2008), 095008. https://doi.org/10.1088/0741-3335/50/9/095008
- A.V. Chankin, D.P. Coster, R. Dux, Monte Carlo simulations of tungsten redeposition at the divertor target, Plasma Phys. Contr. Fusion 56 (2014), 025003. https://doi.org/10.1088/0741-3335/56/2/025003
- Y. Li, Y. Yang, M.P. Short, Z. Ding, Z. Zeng, J. Li, Ion radiation albedo effect: influence of surface roughness on ion implantation and sputtering of materials, Nucl. Fusion 57 (2017), 016038. https://doi.org/10.1088/1741-4326/57/1/016038
- H. Nakamura, S. Saito, A.M. Ito, A. Takayama, Tungsten-surface-structure dependence of sputtering yield for a noble gas, Plasma Fusion Res. 11 (2016) 2401080. https://doi.org/10.1585/pfr.11.2401080
- F. Ding, G.-N. Luo, X. Chen, H. Xie, R. Ding, C. Sang, H. Mao, Z. Hu, J. Wu, Z. Sun, L. Wang, Y. Sun, J. Hu, E.T. the, Plasma-tungsten interactions in experimental advanced superconducting tokamak (EAST), Tungsten 1 (2019) 122-131. https://doi.org/10.1007/s42864-019-00019-4
- M. Kustner, W. Eckstein, V. Dose, J. Roth, The influence of surface roughness on the angular dependence of the sputter yield, Nucl. Instrum. Methods Phys. Res., Sect. B 145 (1998) 320-331. https://doi.org/10.1016/S0168-583X(98)00399-1
- R. Behrisch, W. Eckstein, Sputtering by Particle Bombardment, Springer-Verlag Berlin Heidelberg, 2007.
- Y. Yamamura, H. Tawara, Energy dependence of ion-induced sputtering yields from monatomic solids at normal incidence, Atomic Data Nucl. Data Tables 62 (1996) 149-253. https://doi.org/10.1006/adnd.1996.0005
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