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Charge Transport in Mesoscopic Carbon Network Structures

  • V. Ksenevich (a1), J. Galibert (a2), V. Samuilov (a1) (a2) (a3), Y.-S. Seo (a3), J. Sokolov (a3) and M. Rafailovich (a3)...

Abstract

The charge transport and quantum interference effects in low-dimensional mesoscopic carbon networks prepared using self-assembling were investigated.

The mechanism of conduction in low-dimensional carbon networks was found to depend on the annealing temperature of the nitrocellulose precursor. The charge transport mechanism for carbon networks obtained at Tann=750°C was found to be the hopping conductivity in the entire investigated temperature range. The Coulomb gap near the Fermi level in the density of states was observed in the investigated carbon networks. The width of the Coulomb gap was found to be decreased with the annealing temperature of the carbon structures. The crossover from the strong localization to the weak localization regime of the charge transport in the carbon structures, obtained at Tann=950°C and Tann=1150°C, was observed in the temperature range T>100 K and T>20 K, respectively.

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Charge Transport in Mesoscopic Carbon Network Structures

  • V. Ksenevich (a1), J. Galibert (a2), V. Samuilov (a1) (a2) (a3), Y.-S. Seo (a3), J. Sokolov (a3) and M. Rafailovich (a3)...

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