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For single-wall carbon nanotubes filled with gold nanowires, a kind of carbon nanotube cable type composite material, its thermal conductivity is simulated by non-equilibrium molecular dynamics method. The Tersoff potential is employed for C-C bonding interactions, the Lennard-Jones potential for C-Au interactions and the embedded atom method potential for Au-Au interactions. It turns out that the electronic thermal conductivity (ETC) of gold nanowire is much lower than that of the composite with the same size, so the ETC of metal nanowire could be ignored. The carbon atoms tend to vibrate along the axial direction of the tube because of the interaction between gold and carbon atoms. Furthermore, the umklapp scatterings among phonons are reduced and the phonon mean free path is increased. Therefore, the thermal conductivity of the composite is 20%45% higher than the bare carbon nanotubes in a temperature range of 100500 K, but the growth rate decreases with the rise of temperature. The thermal conductivity of the composite rises with the increasing of length but in a sharper rate, and decreases with the increasing of diameter in the same rate, which is similar to the bare carbon nanotubes.
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Keywords:
- carbon nanotube /
- nanowires /
- cable type composites /
- heat conduction
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[2] Lu J P 1997 Phys. Rev. Lett. 79 1297
[3] Ebbesen T W, Lezec H J, Hiura H, Bennett J W, Ghaemi H F, Thio T 1996 Nature 382 54
[4] Feng D L, Feng Y H, Chen Y, Li W, Zhang X X 2013 Chin. Phys. B 22 016501
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[15] Xiao Y, Zhu B E, Guo S H, Wang Y X, Pan Z Y 2009 Nucl. Instrum. Methods Phys. Res. Section B: Beam Interactions with Materials and Atoms 267 3067
[16] Plathe M 1997 J. Chem. Phys. 106 6082
[17] Tersoff 1989 Phys. Rev. B 39 5566
[18] Foiles S M, Baskes M I, Daw M S 1986 Phys. Rev. B 33 7983
[19] Luedtke W D, Landman U 1999 Phys. Rev. Lett. 82 3835
[20] Arcidiacono S, Walther J H, Poulikakos D, Passerone D, Koumoutsakos P 2005 Phys. Rev. Lett. 94 1
[21] Yuan S P, Jiang P X 2006 Int. J. Thermophys. 27 581
[22] Stojanovic N, Maithripala D H S, Berg J M, Holtz M 2010 Phys. Rev. B 82 075418
[23] Lukes J R, Zhong H 2007 J. Heat Trans. 129 705
[24] Noya E G, Srivastava D, Chernozatonskii L A, Menon M 2004 Phys. Rev. B 70 115416
[25] Deng L 2008 M. S. Dissertation (Nanjing: Southeast University) (in Chinese) [邓力 2008 硕士学位论文(南京: 东南大学)]
[26] Yan X H, Xiao Y, Li Z M 2006 J. Appl. Phys. 99 12305
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[1] Iijima S 1991 Nature 354 56
[2] Lu J P 1997 Phys. Rev. Lett. 79 1297
[3] Ebbesen T W, Lezec H J, Hiura H, Bennett J W, Ghaemi H F, Thio T 1996 Nature 382 54
[4] Feng D L, Feng Y H, Chen Y, Li W, Zhang X X 2013 Chin. Phys. B 22 016501
[5] Chen J W, Cagin T, Goddard W A 2000 Nanotechnology 11 65
[6] Li W, Feng Y H, Tang J J, Zhang X X 2013 Acta Phys. Sin. 62 076107 (in Chinese) [李威, 冯妍卉, 唐晶晶, 张欣欣 2013 物理学报 62 076107]
[7] Ajayan P M, Iijima S 1993 Nature 361 333
[8] Borowiak-Palen E, Mendoza E, Bachmatiuk A, Rummeli M H, Gemming T, Nogues J, Skumryev V, Kalenczuk R J, Pichler T, Silva S R P 2006 Chem. Phys. Lett. 421 129
[9] Gao X P, Zhang Y, Chen X, Pan G L, Yan J, Wu F, Yuan H T, Song D Y 2004 Science 42 47
[10] Jo C, Lee Ⅱ J 2008 J. Magnet. Magnet. Mater. 320 3256
[11] 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]
[12] Zhu B E, Pan Z Y, Hou M, Cheng D, Wang Y X 2011 Molecul. Phys. 109 527
[13] Toprak K, Bayazitoglu Y 2013 Int. J. Heat Mass Transfer 61 172
[14] Kondo Y, Takayanagi K 2000 Science 289 606
[15] Xiao Y, Zhu B E, Guo S H, Wang Y X, Pan Z Y 2009 Nucl. Instrum. Methods Phys. Res. Section B: Beam Interactions with Materials and Atoms 267 3067
[16] Plathe M 1997 J. Chem. Phys. 106 6082
[17] Tersoff 1989 Phys. Rev. B 39 5566
[18] Foiles S M, Baskes M I, Daw M S 1986 Phys. Rev. B 33 7983
[19] Luedtke W D, Landman U 1999 Phys. Rev. Lett. 82 3835
[20] Arcidiacono S, Walther J H, Poulikakos D, Passerone D, Koumoutsakos P 2005 Phys. Rev. Lett. 94 1
[21] Yuan S P, Jiang P X 2006 Int. J. Thermophys. 27 581
[22] Stojanovic N, Maithripala D H S, Berg J M, Holtz M 2010 Phys. Rev. B 82 075418
[23] Lukes J R, Zhong H 2007 J. Heat Trans. 129 705
[24] Noya E G, Srivastava D, Chernozatonskii L A, Menon M 2004 Phys. Rev. B 70 115416
[25] Deng L 2008 M. S. Dissertation (Nanjing: Southeast University) (in Chinese) [邓力 2008 硕士学位论文(南京: 东南大学)]
[26] Yan X H, Xiao Y, Li Z M 2006 J. Appl. Phys. 99 12305
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