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The defects in the transition from square to square grid states are studied in a dielectric barrier discharge. It is found that there exist two kinds of defects in this transition, which are angle defect and dislocation defect. In order to investigate the formation mechanism of the defects, the light emissions from different filaments are measured, which show that the light intensity of filament in the middle of the octagonal cell is larger than that in the side. By introducing the quasi-potential field, the interactions between filaments as well as their influences on the transition between different structures are studied. From above analyses, the defects that could emerge in the transition are suggested, which are in good agreement with that observed in experiments.
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Keywords:
- dielectric barrier discharge /
- angle defect /
- dislocation defect /
- square grid state
[1] Stollenwerk L, Laven J G, Purwins H G 2007 Phys. Rev. Lett. 98 255001
[2] Ammelt E, Astrov Y A Purwins H G 1997 Phys. Rev. E 55 6731
[3] Brauer I, Bode M, Ammelt E, Purwins H G 2000 Phys. Rev. Lett. 84 4104
[4] Shirafuji T, Kitagawa T, Wakai T Tachibana K 2003 Appl. Phys. Lett. 83 2309
[5] Sun J, Zhang J L, Wang D Z, Ma T C 2006 Acta Phys. Sin. 55 344(in Chinese) [孙 姣、张家良、王德真、马腾才 2006 55 344]
[6] Dong L F, Yang Y J, Fan W L, Yue H, Wang S, Xiao H 2010 Acta Phys. Sin. 59 1917 (in Chinese) [董丽芳、杨玉杰、范伟丽、岳 晗、王 帅、肖 红 2010 59 1917]
[7] Li G, Li Y M, Xu Y J, Z Y, Li H M, Nie C Q, Z J Q 2009 Acta Phys. Sin. 58 4026 (in Chinese) [李 钢、李轶明、徐燕骥、张 翼、李汉明、聂超群、朱骏强 2009 58 4026]
[8] Ouyang J T, He F, Mao J S, Feng S 2006 Acta Phys. Sin. 55 5969(in Chinese) [欧阳吉庭、何 锋、缪劲松、冯 硕 2006 55 5969]
[9] Fan W L , Dong L F, Li X C,Yin Z Q, He Y F, Liu S H 2007 Acta Phys. Sin. 56 1467 (in Chinese) [范伟丽、董丽芳、李雪辰、 尹增谦、贺亚峰、刘书华 2007 56 1467]
[10] Dong L F, Li S F, Fan W L Pan Y Y 2009 Phys. Plasma 16 122308
[11] Chu J H, Lin I 1994 Phys. Rev. Lett. 72 4009
[12] Carpio A, Bonilla L L 2008 Phys. Rev. B 78 085406
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[1] Stollenwerk L, Laven J G, Purwins H G 2007 Phys. Rev. Lett. 98 255001
[2] Ammelt E, Astrov Y A Purwins H G 1997 Phys. Rev. E 55 6731
[3] Brauer I, Bode M, Ammelt E, Purwins H G 2000 Phys. Rev. Lett. 84 4104
[4] Shirafuji T, Kitagawa T, Wakai T Tachibana K 2003 Appl. Phys. Lett. 83 2309
[5] Sun J, Zhang J L, Wang D Z, Ma T C 2006 Acta Phys. Sin. 55 344(in Chinese) [孙 姣、张家良、王德真、马腾才 2006 55 344]
[6] Dong L F, Yang Y J, Fan W L, Yue H, Wang S, Xiao H 2010 Acta Phys. Sin. 59 1917 (in Chinese) [董丽芳、杨玉杰、范伟丽、岳 晗、王 帅、肖 红 2010 59 1917]
[7] Li G, Li Y M, Xu Y J, Z Y, Li H M, Nie C Q, Z J Q 2009 Acta Phys. Sin. 58 4026 (in Chinese) [李 钢、李轶明、徐燕骥、张 翼、李汉明、聂超群、朱骏强 2009 58 4026]
[8] Ouyang J T, He F, Mao J S, Feng S 2006 Acta Phys. Sin. 55 5969(in Chinese) [欧阳吉庭、何 锋、缪劲松、冯 硕 2006 55 5969]
[9] Fan W L , Dong L F, Li X C,Yin Z Q, He Y F, Liu S H 2007 Acta Phys. Sin. 56 1467 (in Chinese) [范伟丽、董丽芳、李雪辰、 尹增谦、贺亚峰、刘书华 2007 56 1467]
[10] Dong L F, Li S F, Fan W L Pan Y Y 2009 Phys. Plasma 16 122308
[11] Chu J H, Lin I 1994 Phys. Rev. Lett. 72 4009
[12] Carpio A, Bonilla L L 2008 Phys. Rev. B 78 085406
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