Nanofacet-density scaling on zig-zag carbon nanotubes within the kinetic 5-vertex growth model

S.I.V. Hontinfinde, J. Kple, T.D. Oke, F. Zounmenou, J. Adda and F. Hontinfinde

Physica A: Statistical Mechanics and its Applications, 2022, vol. 608, issue P1

Abstract: Nanofacets density at the edge of a growing zig-zag single-walled carbon nanotube is investigated by means of a kinetic 5-vertex model. The model comprises, carbon atoms deposition and diffusion events that are assumed Markov processes. The nanotube synthesis temperature, the carbon atomic flux from the catalyst nanoparticles, and the diffusion length are the model physical parameters considered. The kinetic equation describing the nanotube growth is solved by Kinetic Monte Carlo simulations and the average nanofacet density at the nanotube edge is calculated. It is found that this quantity displays interesting behaviors, in particular a power-law behavior with the diffusion length and the growth time.

Keywords: Zig-zag carbon nanotube; Kinetic 5-vertex model; Monte Carlo simulations; Nanofacet density; Power-law behavior (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:608:y:2022:i:p1:s0378437122008366

DOI: 10.1016/j.physa.2022.128278

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