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Optimization of surface morphology with micro meter size for suppressing secondary electron emission

Hu Jing Cao Meng Li Yong-Dong Lin Shu Xia Ning

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Optimization of surface morphology with micro meter size for suppressing secondary electron emission

Hu Jing, Cao Meng, Li Yong-Dong, Lin Shu, Xia Ning
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  • Suppression of the secondary electron (SE) multipactor is a key issue for improving the performance of high power microwave devices and particle accelerators. The decrease of the SE emission yield (SEY) by using certain surface morphology is one of the effective methods. To optimize the surface morphology, we simulate the SE emissions of different surface structures by using the Monte Carlo method. The effects of geometric parameters, such as duty ratio of area, depth-to-height ratio, pattern and its arrangement on SEY are investigated. For surface morphology with patterns of square, round and triangle, and for both convex and concave structures, the corresponding values of SEY first decrease and then become steady with the increase of duty ratio of area and depth-to-height ratio. For convex structures, the values of SEY are different for different pattern shapes, in which triangle pattern has the smallest SEY. However, the value of SEY is nearly independent of arrangement of pattern. For concave structures, on the other hand, the value of SEY is scarcely different for different patterns or different arrangements. In general, a convex structure has a better suppression effect than a concave structure if other geometric parameters are identical. The shading effect from side wall of structure is found to be the intrinsic reason of the suppression effect.
      Corresponding author: Cao Meng, mengcao@mail.xjtu.edu.cn
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. U1537210, 11375139).
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    Song B P, Fan Z Z, Su G Q, Mu H B, Zhang G J, Liu C L 2014 High Power Laser and Particle Beams 26 065008(in Chinese)[宋佰鹏, 范壮壮, 苏国强, 穆海宝, 张冠军, 刘纯亮 2014 强激光与粒子束 26 065008]

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    Pivi M T F, Collet G, King F, Kirby R E, Markiewicz T, Raubenheimer T O, Seeman J, Pimpec F L 2010 Nucl. Instrum. Methods Phys. Res. A 621 47

    [5]

    Federmann S, Caspers F, Mahner E 2011 Phys. Rev. Spec. Top.-Accel. Beams 14 012802

    [6]

    Lin S, Yan Y J, Li Y D, Liu C L 2014 Acta Phys. Sin. 63 147902 (in Chinese)[林舒, 闫杨娇, 李永东, 刘纯亮 2014 物理学报 63 147902]

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    Valizadeh R, Malyshev O B, Wang S, Zolotovskaya S, Gillespie W A, Abdolvandand A 2014 Appl. Phys. Lett. 105 231605

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    Li Y, Cui W Z, Zhang N, Wang X B, Wang H G, Li Y D, Zhang J F 2014 Chin. Phys. B 23 048402

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    Li Y, Cui W Z, Wang H G 2015 Phys. Plasmas 22 053108

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    Pivi M, King F K, Kirby R E, Raubenheimer T O, Stupakov G, Pimpec F L 2008 J. Appl. Phys. 104 104904

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    Suetsugu Y, Fukuma H, Pivi M, Wang L 2009 Nucl. Instrum. Methods Phys. Res. Sect. A:Accel. Spectrom. Dect. Assoc. Equip. 604 449

    [12]

    Zhang N, Cao M, Cui W Z, Hu T C, Wang R, Li Y 2015 Acta Phys. Sin. 64 207901 (in Chinese)[张娜, 曹猛, 崔万照, 胡天存, 王瑞, 李韵 2015 物理学报 64 207901]

    [13]

    Nistor V, Gonzlez L A, Aguilera L, Montero I, Galn L, Wochner U, Raboso D 2014 Appl. Surf. Sci. 315 445

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    Aguilera L, Montero I, Dvila M E, Ruiz A, Galn L, Nistor V, Raboso D, Palomares J, Soria F 2013 J. Phys. D:Appl. Phys. 46 165104

    [15]

    Ye M, He Y N, Wang R, Hu T C, Zhang N, Yang J, Cui W Z, Zhang Z B 2014 Acta Phys. Sin. 63 147901 (in Chinese)[叶鸣, 贺永宁, 王瑞, 胡天存, 张娜, 杨晶, 崔万照, 张忠兵 2014 物理学报 63 147901]

    [16]

    Wang Z W, Ye M, Chen L, He Y N, Cui W Z, Zhang Z B 2016 High Power Laser and Particle Beams 28 124002 (in Chinese)[王泽卫, 叶鸣, 陈亮, 贺永宁, 崔万照, 张忠兵 2016 强激光与粒子束 28 124002]

    [17]

    He Y N, Peng W B, Cui W Z, Ye M, Zhao X L, Wang D, Hu T C, Wang R, Li Y 2016 AIP Adv. 6 025122

    [18]

    Cui W Z, Li Y, Yang J, Hu T C, Wang X B, Wang R, Zhang N, Zhang H T, He Y N 2016 Chin. Phys. B 25 068401

    [19]

    Cao M, Zhang N, Hu T C, Wang F, Cui W Z 2015 J. Phys. D:Appl. Phys. 48 55501

    [20]

    Penn D R 1987 Phys. Rev. B:Condens. Matter 35 482

    [21]

    Ye M, He Y N, Hu S G, Wang R, Hu T C, Yang J, Cui W Z 2013 J. Appl. Phys. 113 074904

  • [1]

    Charbonnier F 1988 J. Vac. Sci. Technol. B 16 880

    [2]

    Song B P, Fan Z Z, Su G Q, Mu H B, Zhang G J, Liu C L 2014 High Power Laser and Particle Beams 26 065008(in Chinese)[宋佰鹏, 范壮壮, 苏国强, 穆海宝, 张冠军, 刘纯亮 2014 强激光与粒子束 26 065008]

    [3]

    Kirby R E, King F K 2001 Nucl. Instrum. Methods Phys. Res. 469 1

    [4]

    Pivi M T F, Collet G, King F, Kirby R E, Markiewicz T, Raubenheimer T O, Seeman J, Pimpec F L 2010 Nucl. Instrum. Methods Phys. Res. A 621 47

    [5]

    Federmann S, Caspers F, Mahner E 2011 Phys. Rev. Spec. Top.-Accel. Beams 14 012802

    [6]

    Lin S, Yan Y J, Li Y D, Liu C L 2014 Acta Phys. Sin. 63 147902 (in Chinese)[林舒, 闫杨娇, 李永东, 刘纯亮 2014 物理学报 63 147902]

    [7]

    Valizadeh R, Malyshev O B, Wang S, Zolotovskaya S, Gillespie W A, Abdolvandand A 2014 Appl. Phys. Lett. 105 231605

    [8]

    Li Y, Cui W Z, Zhang N, Wang X B, Wang H G, Li Y D, Zhang J F 2014 Chin. Phys. B 23 048402

    [9]

    Li Y, Cui W Z, Wang H G 2015 Phys. Plasmas 22 053108

    [10]

    Pivi M, King F K, Kirby R E, Raubenheimer T O, Stupakov G, Pimpec F L 2008 J. Appl. Phys. 104 104904

    [11]

    Suetsugu Y, Fukuma H, Pivi M, Wang L 2009 Nucl. Instrum. Methods Phys. Res. Sect. A:Accel. Spectrom. Dect. Assoc. Equip. 604 449

    [12]

    Zhang N, Cao M, Cui W Z, Hu T C, Wang R, Li Y 2015 Acta Phys. Sin. 64 207901 (in Chinese)[张娜, 曹猛, 崔万照, 胡天存, 王瑞, 李韵 2015 物理学报 64 207901]

    [13]

    Nistor V, Gonzlez L A, Aguilera L, Montero I, Galn L, Wochner U, Raboso D 2014 Appl. Surf. Sci. 315 445

    [14]

    Aguilera L, Montero I, Dvila M E, Ruiz A, Galn L, Nistor V, Raboso D, Palomares J, Soria F 2013 J. Phys. D:Appl. Phys. 46 165104

    [15]

    Ye M, He Y N, Wang R, Hu T C, Zhang N, Yang J, Cui W Z, Zhang Z B 2014 Acta Phys. Sin. 63 147901 (in Chinese)[叶鸣, 贺永宁, 王瑞, 胡天存, 张娜, 杨晶, 崔万照, 张忠兵 2014 物理学报 63 147901]

    [16]

    Wang Z W, Ye M, Chen L, He Y N, Cui W Z, Zhang Z B 2016 High Power Laser and Particle Beams 28 124002 (in Chinese)[王泽卫, 叶鸣, 陈亮, 贺永宁, 崔万照, 张忠兵 2016 强激光与粒子束 28 124002]

    [17]

    He Y N, Peng W B, Cui W Z, Ye M, Zhao X L, Wang D, Hu T C, Wang R, Li Y 2016 AIP Adv. 6 025122

    [18]

    Cui W Z, Li Y, Yang J, Hu T C, Wang X B, Wang R, Zhang N, Zhang H T, He Y N 2016 Chin. Phys. B 25 068401

    [19]

    Cao M, Zhang N, Hu T C, Wang F, Cui W Z 2015 J. Phys. D:Appl. Phys. 48 55501

    [20]

    Penn D R 1987 Phys. Rev. B:Condens. Matter 35 482

    [21]

    Ye M, He Y N, Hu S G, Wang R, Hu T C, Yang J, Cui W Z 2013 J. Appl. Phys. 113 074904

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  • Received Date:  17 March 2018
  • Accepted Date:  13 May 2018
  • Published Online:  05 September 2018

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