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In this paper, we calculate permanent magnet theoretically for a multicusp ion source Coulomb collision between electrons is treated with the "binary collision" model and collisions between the electrons and hydrogen species are treated with the "null-collision" method. A 3D PIC-MCC simulation algorithm is developed, and based on this algorithm the electron deposition process in multicusp ion source is simulated, and the multicusp magnetic field effects on the electron energy distribution and spatial distribution are analyzed. The results show that the spatial non-uniformity of electron distribution comes from high energy electron B× ▽B drift in the filter field.
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Keywords:
- negative hydrogen ion source /
- multicusp magnetic field /
- electron energy distribution function
[1] Terasaki R, Fujino I, Hatayama A 2010 Review of Scientifc Instruments 81 02A703
[2] Hu M, Wan S D, Zhong L, Liu H, Wan H 2012 Acta Phys. Sin. 61 045201 (in Chinese) [胡明, 万树德, 钟雷, 刘昊, 汪海 2012 物理学报 61 045201]
[3] Shen W L, Ma Z B, Tan B S 2011 Acta Phys. Sin. 60 105204 (in Chinese) [沈武林, 马志斌, 谭必松等 2011 物理学报 60 105204]
[4] Katoh K, Takado N, Hatayama A 2006 Review of Scientifc Instruments 77 03A535
[5] Hanada M, Seki T, Takado N 2006 Review of Scientifc Instruments 77 03A515
[6] Jin X L, Yang Z H 2006 Acta Phys. Sin. 55 5774 (in Chinese) [金晓林, 杨中海 2006 物理学报 55 5930]
[7] Jin X L, Yang Z H 2006 Acta Phys. Sin.55 5774 (in Chinese) [金晓林, 杨中海 2006 物理学报 55 5935]
[8] Shigefumi M, Fukumasa O 2008 Review of Scientifc Instruments 79 02A526
[9] Yang C, Liu D G, Wang X M, Liu L Q, Wang X Q, Liu S G 2012 Acta Phys. Sin. 61 045204 (in Chinese) [杨超, 刘大刚, 王小敏, 刘腊群, 王学琼, 刘盛纲 2012 物理学报 61 045204]
[10] Yang C, Liu D G, Wang X Q, Wang X M, Xia M Z, Peng K 2012 Acta Phys. Sin. 61 105204 [杨超, 刘大刚, 王学琼, 王小敏, 夏蒙重, 彭凯 2012 物理学报 61 105204]
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[1] Terasaki R, Fujino I, Hatayama A 2010 Review of Scientifc Instruments 81 02A703
[2] Hu M, Wan S D, Zhong L, Liu H, Wan H 2012 Acta Phys. Sin. 61 045201 (in Chinese) [胡明, 万树德, 钟雷, 刘昊, 汪海 2012 物理学报 61 045201]
[3] Shen W L, Ma Z B, Tan B S 2011 Acta Phys. Sin. 60 105204 (in Chinese) [沈武林, 马志斌, 谭必松等 2011 物理学报 60 105204]
[4] Katoh K, Takado N, Hatayama A 2006 Review of Scientifc Instruments 77 03A535
[5] Hanada M, Seki T, Takado N 2006 Review of Scientifc Instruments 77 03A515
[6] Jin X L, Yang Z H 2006 Acta Phys. Sin. 55 5774 (in Chinese) [金晓林, 杨中海 2006 物理学报 55 5930]
[7] Jin X L, Yang Z H 2006 Acta Phys. Sin.55 5774 (in Chinese) [金晓林, 杨中海 2006 物理学报 55 5935]
[8] Shigefumi M, Fukumasa O 2008 Review of Scientifc Instruments 79 02A526
[9] Yang C, Liu D G, Wang X M, Liu L Q, Wang X Q, Liu S G 2012 Acta Phys. Sin. 61 045204 (in Chinese) [杨超, 刘大刚, 王小敏, 刘腊群, 王学琼, 刘盛纲 2012 物理学报 61 045204]
[10] Yang C, Liu D G, Wang X Q, Wang X M, Xia M Z, Peng K 2012 Acta Phys. Sin. 61 105204 [杨超, 刘大刚, 王学琼, 王小敏, 夏蒙重, 彭凯 2012 物理学报 61 105204]
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