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Inductively coupled plasmas have been widely used in the etch process due to the high plasma density, simple reactor geometry, etc. Since the plasma characteristics are difficult to understand only via experiments, the numerical study seems to be a valuable and effective tool, which could help us to gain an in-depth insight into the plasma properties and the underlying mechanisms. During the past few years, various models have been employed to investigate inductive discharges, such as global model, fluid model, fluid/Monte Carlo collision hybrid model, biased sheath model, particle-in-cell/Monte Carlo collision hybrid model, etc. Since the plasma parameters are volume averaged in the global model, which effectively reduces the computational burden, it is usually used to study the reactive gas discharges with a complex chemistry set. In order to obtain the spatial distribution, a two-dimensional or three-dimensional fluid model is necessary. However, in the fluid model, the electron energy distribution function is assumed to be Maxwellian, which is invalid under special discharge conditions. For instance, strong electric field and low pressure may result in non-Maxwellian distributions, such as bi-Maxwellian distribution, two-temperature distribution, etc. Therefore, a fluid/Monte Carlo collision hybrid model is adopted to take the electron kinetics into account. Besides, a separate biased sheath model is necessary to study the influence of the sheath on the plasma properties self-consistently. The particle-in-cell/Monte Carlo collision hybrid model is a fully kinetic method based on the first-principles, which could be used to investigate the non-local and non-thermal equilibrium phenomena. In conclusion, the numerical investigation of inductively coupled plasmas has a significant importance for plasma process optimization.
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Keywords:
- inductively coupled plasma /
- global model /
- fluid model /
- hybrid model /
- biased sheath model /
- particle-in-cell model
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[1] Hittorf W 1884 Wiedemanns Ann. Phys. 21 90
[2] Lieberman M A, Lichtenberg A J 2005 Principles of Plasma Discharges and Materials Processing (New York: Wiley) pp462, 463
[3] Czerwiec T, Graves D B 2004 J. Phys. D: Appl. Phys. 37 2827
Google Scholar
[4] Xu H J, Zhao S X, Zhang Y R, Gao F, Li X C, Wang Y N 2015 Phys. Plasmas 22 043508
Google Scholar
[5] Wegner Th, Kullig C, Meichsner J 2017 Plasma Sources Sci. Technol. 26 025006
Google Scholar
[6] Kim J H, Chung C W 2020 Phys. Plasmas 27 023503
Google Scholar
[7] Lee M H, Lee K H, Hyun D S, Chung C W 2007 Appl. Phys. Lett. 90 191502
Google Scholar
[8] Gao F, Zhao S X, Li X S, Wang Y N 2010 Phys. Plasmas 17 103507
Google Scholar
[9] Moon J H, Kim K H, Hong Y H, Lee M Y, Chung C W 2020 Phys. Plasmas 27 033511
Google Scholar
[10] Wegner Th, Kullig C, Meichsner J 2016 Phys. Plasmas 23 023503
Google Scholar
[11] Lee H C, Lee M H, Chung C W 2010 Appl. Phys. Lett. 96 071501
Google Scholar
[12] Schulze J, Schungel E, Czarnetzki U 2012 Appl. Phys. Lett. 100 024102
Google Scholar
[13] Lanham S J, Kushner M J 2017 J. Appl. Phys. 122 083301
Google Scholar
[14] Lee H W, Kim K H, Seo J I, Chung C W 2020 Phys. Plasmas 27 093508
Google Scholar
[15] 王建伟, 宋亦旭, 任天令, 李进春, 褚国亮 2013 62 245202
Google Scholar
Wang J W, Song Y X, Ren T L, Li J C, Chu G L 2013 Acta Phys. Sin. 62 245202
Google Scholar
[16] 张改玲, 滑跃, 郝泽宇, 任春生 2019 68 105202
Google Scholar
Zhang G L, Hua Y, Gao Z Y, Ren C S 2019 Acta Phys. Sin. 68 105202
Google Scholar
[17] Gudmundsson J T 2001 Plasma Sources Sci. Technol. 10 76
Google Scholar
[18] Thorsteinsson E G, Gudmundsson J T 2010 Plasma Sources Sci. Technol. 19 015001
Google Scholar
[19] Thorsteinsson E G, Gudmundsson J T 2010 J. Phys. D: Appl. Phys. 43 115201
Google Scholar
[20] Toneli D A, Pessoa R S, Roberto M, Gudmundsson J T 2015 J. Phys. D: Appl. Phys. 48 325202
Google Scholar
[21] Kimura T, Kasugai H 2010 J. Appl. Phys. 107 083308
Google Scholar
[22] Kimura T, Kasugai H 2010 J. Appl. Phys. 108 033305
Google Scholar
[23] Thorsteinsson E G, Gudmundsson J T 2010 J. Phys. D: Appl. Phys. 43 115202
Google Scholar
[24] Chanson R, Rhallabi A, Fernandez M C, Cardinaud C, Landesman J P 2013 J. Vac. Sci. Technol., A 31 011301
Google Scholar
[25] Yang W, Zhao S X, Wen D Q, Liu W, Liu Y X, Li X C, Wang Y N 2016 J. Vac. Sci. Technol., A 34 031305
Google Scholar
[26] Pateau A, Rhallabi A, Fernandez M C, Boufnichel M, Roqueta F 2014 J. Vac. Sci. Technol., A 32 021303
Google Scholar
[27] Annusova A, Marinov D, Booth J P, Sirse N, Lino da Silva M, Lopez B, Guerra V 2018 Plasma Sources Sci. Technol. 27 045006
Google Scholar
[28] Le Dain G, Rhallabi A, Girard A, Cardinaud C, Roqueta F, Boufnichel M 2019 Plasma Sources Sci. Technol. 28 085002
Google Scholar
[29] Bukowski J D, Graves D B, Vitello P 1996 J. Appl. Phys. 80 2614
Google Scholar
[30] Xu X, Rauf S, Kushner M J 2000 J. Vac. Sci. Technol., A 18 213
Google Scholar
[31] Kudryavtsev A A, Serditov K Yu 2012 Phys. Plasmas 19 073504
Google Scholar
[32] Sun X Y, Zhang Y R, Li X C, Wang Y N 2015 Phys. Plasmas 22 053508
Google Scholar
[33] Brcka J 2016 Jpn. J. Appl. Phys. 55 07LD08
Google Scholar
[34] Zheng B, Shrestha M, Wang K, Schuelke T, Shun’ko E, Belkin V, Fan Q H 2019 J. Appl. Phys. 126 123302
Google Scholar
[35] Jeong Y D, Lee, Y J, Kwon D C, Choe H H 2017 Curr. Appl. Phys. 17 403
Google Scholar
[36] Agarwal A, Bera K, Kenney J, Likhanskii A, Rauf S 2017 J. Phys. D: Appl. Phys. 50 424001
Google Scholar
[37] Zhang A, Kim K H, Kwon D C, Chung C W 2019 Phys. Plasmas 26 083509
Google Scholar
[38] Vahedi V, Surendra M 1995 Comput. Phys. Commun. 87 179
Google Scholar
[39] Nanbu K 2000 IEEE Trans. Plasma Sci. 28 971
Google Scholar
[40] Georgieva V 2006 Ph. D. Dissertation (Antwerp: University of Antwerp)
[41] Sommerer T J, Kushner M J 1992 J. Appl. Phys. 71 1654
Google Scholar
[42] Ventzek P L G, Hoekstra R J, Kushner M J 1994 J. Vac. Sci. Technol., B 12 461
Google Scholar
[43] Logue M D, Kushner M J 2015 J. Appl. Phys. 117 043301
Google Scholar
[44] Tinck S, Bogaerts A 2016 J. Phys. D: Appl. Phys. 49 195203
Google Scholar
[45] Qu C, Nam S K, Kushner M J 2020 Plasma Sources Sci. Technol. 29 085006
Google Scholar
[46] Tian P, Kushner M J 2017 Plasma Sources Sci. Technol. 26 024005
Google Scholar
[47] Zhao S X, Wang Y N 2010 J. Phys. D: Appl. Phys. 43 275203
Google Scholar
[48] Xu H J, Zhao S X, Gao F, Zhang Y R, Li X C, Wang Y N 2015 Chin. Phys. B 24 115201
Google Scholar
[49] Kwon D C, Chang W S, Park M, You D H, Song M Y, You S J, Im Y H, Yoon J S 2011 J. Appl. Phys. 109 073311
Google Scholar
[50] Zhang Y R, Gao F, Li X C, Bogaerts A, Wang Y N 2015 J. Vac. Sci. Technol., A 33 061303
Google Scholar
[51] Wen D Q, Liu W, Gao F, Lieberman M A, Wang Y N 2016 Plasma Sources Sci. Technol. 25 045009
Google Scholar
[52] Vahedi V, DiPeso G, Birdsall C K, Lieberman M A, Rognlien T D 1993 Plasma Sources Sci. Technol. 2 261
Google Scholar
[53] Kawamura E, Birdsall C K, Vahedi V 2000 Plasma Sources Sci. Technol. 9 413
Google Scholar
[54] Birdsall C K 1991 IEEE Trans. Plasma Sci. 19 65
Google Scholar
[55] Takao Y, Kusaba N, Eriguchi K, Ono K 2010 J. Appl. Phys. 108 093309
Google Scholar
[56] Takao Y, Eriguchi K, Ono K 2012 J. Appl. Phys. 112 093306
Google Scholar
[57] Mattei S, Nishida K, Onai M, Lettry J, Tran M Q, Hatayama A 2017 J. Comput. Phys. 350 891
Google Scholar
[58] Nishida K, Mattei S, Mochizuki S, Lettry J, Hatayama A 2016 J. Appl. Phys. 119 233302
Google Scholar
[59] Nishida K, Mattei S, Lettry J, Hatayama A 2018 J. Appl. Phys. 123 043305
Google Scholar
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