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We report on the results of molecular dynamics simulations of nanowelding at high temperature between the gold electrodes and single-walled carbon nanotubes (SWNTs). We find that SWNTs with gold nanoclusters absorbed on their tips can build an excellent welding contact with gold electrodes. First, gold clusters are placed on open tips of SWNTs and are annealed at 1100 K. Gold atoms enter into the SWNTs and a shell-like helical structure inside the SWNTs and an amorphous structure outside of the SWNTs. Furthermore, the SWNTs absorbed with gold cluster are then placed on surfaces of gold electrodes. After annealing at high temperature, gold atoms absorbed in the SWNTs are redistributed on the surface of the gold electrodes and form excellent welding contact with the electrodes. The best annealing temperature for welding is about 800 K.
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Keywords:
- carbon nanotubes /
- gold electrode /
- molecular dynamics simulation
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[21] Xie F, Zhu Y B, Zhang Z H, Zhang L 2008 Acta Phys. Sin. 57 5833(in Chinese) [谢 芳、朱亚波、张兆慧、张 林 2008 物理学报 57 5833]
[22] Tersoff J 1988 Phys. Rev. Lett. 61 2879
[23] Tersoff J 1992 Phys. Rev. B 46 15546
[24] Tersoff J, Ruoff R 1994 Phys. Rev. Lett. 73 676
[25] Berber S, Kwon Y, Tomanek D 2000 Phys. Rev. Lett. 84 4613
[26] Schelling P, Keblinski P 2003 Phys. Rev. B 68 35425
[27] Cleri F, Rosato V 1993 Phys. Rev. B 48 22
[28] Massobrio C, Pontikis V, Martin G 1990 Phys. Rev. B 41 10486
[29] Ju S, Lin J, Lee W 2004 Nanotechnology 15 1221
[30] Ju S, Weng M, Sun S, Lin J, Lee W 2007 Nanotechnology 18 205706
[31] Coura P, Legoas S, Moreira A, Sato F, Rodrigues V, Dantas S, Ugarte D, Galvo D 2004 Nano Lett. 4 1187
[32] Luedtke W, Landman U 1999 Phys. Rev. Lett. 82 3835
[33] Arcidiacono S, Walther J, Poulikakos D, Passerone D, Koumoutsakos P 2005 Phys. Rev. Lett. 94 105502
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[1] Iijima S 1991 Nature 354 56
[2] Saito R, Dresselhaus G, Dresselhaus M 1999 Physical Properties of Carbon Nanotubes (London: Imperial College Press) p2
[3] Li J, Zhang Q, Peng N, Zhu Q 2005 Appl. Phys. Lett. 86 153116
[4] Yu M, Lourie O, Dyer M, Moloni K, Kelly T, Ruoff R 2000 Science 287 637
[5] Yu M, Dyer M, Skidmore G, Rohrs H, Lu X, Ausman K, Ehr J, Ruoff R 1999 Nanotechnology 10 244
[6] Madsen D, Mlhave K, Mateiu R, Rasmussen A, Brorson M, Jacobsen C, Bggild P 2003 Nano Lett. 3 47
[7] Chen C, Yan L, Kong E, Zhang Y 2006 Nanotechnology 17 2192
[8] Seo D, Kim H, Ryu J, Lee H 2009 J. Phys. Chem. C 113 10416
[9] Andriotis A, Menon M, Gibson H 2008 IEEE Sens. J. 8 910
[10] Andriotis A, Menon M 2008 Phys. Rev. B 78 235415
[11] Menon M, Andriotis A, Froudakis G 2000 Chem. Phys. Lett. 320 425
[12] Zhang K W, Zhong J X 2008 Acta Phys. Sin. 57 3679 (in Chinese) [张凯旺、钟建新 2008 物理学报 57 3679]
[13] Zhu Y B, Bao Z, Cai C J, Yang Y J 2009 Acta Phys. Sin. 58 7833 (in Chinese) [朱亚波、鲍 振、蔡存金、杨玉杰 2009 物理学报 58 7833]
[14] Meng L J, Zhang K W, Zhong J X 2007 Acta Phys. Sin. 56 1009 (in Chinese) [孟利军、张凯旺、钟建新 2007 物理学报 56 1009]
[15] Li J, Zhang K W, Meng L J, Liu W L, Zhong J X 2008 Acta Phys. Sin. 57 382 (in Chinese) [李 俊、张凯旺、孟利军、刘文亮、钟建新 2008 物理学报 57 382]
[16] Bao W X, Zhu C C 2006 Acta Phys. Sin. 55 3552 (in Chinese) [保文星、朱长纯 2006 物理学报 55 3552]
[17] Zhang K W, Meng L J, Li J, Liu W L, Tang Y, Zhong J X 2008 Acta Phys. Sin. 57 4347 (in Chinese) [张凯旺、孟利军、李 俊、刘文亮、唐 翌、钟建新 2008 物理学报 57 4347]
[18] Chen Z H, Yu Z Y, Lu P F, Liu Y M 2009 Chin. Phys. B 18 4591
[19] Gong X J, Fang H P 2008 Chin. Phys. B 17 2739
[20] Li R, Hu Y Z, Wang H, Zhang Y J 2008 Chin. Phys. B 17 4253
[21] Xie F, Zhu Y B, Zhang Z H, Zhang L 2008 Acta Phys. Sin. 57 5833(in Chinese) [谢 芳、朱亚波、张兆慧、张 林 2008 物理学报 57 5833]
[22] Tersoff J 1988 Phys. Rev. Lett. 61 2879
[23] Tersoff J 1992 Phys. Rev. B 46 15546
[24] Tersoff J, Ruoff R 1994 Phys. Rev. Lett. 73 676
[25] Berber S, Kwon Y, Tomanek D 2000 Phys. Rev. Lett. 84 4613
[26] Schelling P, Keblinski P 2003 Phys. Rev. B 68 35425
[27] Cleri F, Rosato V 1993 Phys. Rev. B 48 22
[28] Massobrio C, Pontikis V, Martin G 1990 Phys. Rev. B 41 10486
[29] Ju S, Lin J, Lee W 2004 Nanotechnology 15 1221
[30] Ju S, Weng M, Sun S, Lin J, Lee W 2007 Nanotechnology 18 205706
[31] Coura P, Legoas S, Moreira A, Sato F, Rodrigues V, Dantas S, Ugarte D, Galvo D 2004 Nano Lett. 4 1187
[32] Luedtke W, Landman U 1999 Phys. Rev. Lett. 82 3835
[33] Arcidiacono S, Walther J, Poulikakos D, Passerone D, Koumoutsakos P 2005 Phys. Rev. Lett. 94 105502
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