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Effects of electromigration on copper atoms in carbon nanotube channels

Author

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  • Lim, M.C.G.
  • Zhong, Z.W.

Abstract

The effects of electromigration on copper in carbon nanotube (CNT) channels are investigated using molecular dynamics simulations. The study shows that the potential energy of copper and the resistive forces on copper are dependent on the shape of the CNT junction, and the increase in bias voltages magnifies these effects. Bias voltages affect the density of copper in the downstream CNT. The velocity of copper in the downstream CNT is relatively lower than that in the upstream CNT when the biased voltage is high.

Suggested Citation

  • Lim, M.C.G. & Zhong, Z.W., 2011. "Effects of electromigration on copper atoms in carbon nanotube channels," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 390(5), pages 963-971.
    • Handle: RePEc:eee:phsmap:v:390:y:2011:i:5:p:963-971
    DOI: 10.1016/j.physa.2010.11.028
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    References listed on IDEAS

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    1. Lim, M.C.G. & Zhong, Z.W., 2009. "Molecular dynamics analyses of an Al(110) surface," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(19), pages 4083-4090.
    2. Zhen Yao & Henk W. Ch. Postma & Leon Balents & Cees Dekker, 1999. "Carbon nanotube intramolecular junctions," Nature, Nature, vol. 402(6759), pages 273-276, November.
    3. Lim, Melvin C.G. & Pei, Q.X. & Zhong, Z.W., 2008. "Translocation of DNA oligonucleotide through carbon nanotube channels under induced pressure difference," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 387(13), pages 3111-3120.
    4. B. C. Regan & S. Aloni & R. O. Ritchie & U. Dahmen & A. Zettl, 2004. "Carbon nanotubes as nanoscale mass conveyors," Nature, Nature, vol. 428(6986), pages 924-927, April.
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