Izvestiya of Saratov University.

Physics

ISSN 1817-3020 (Print)
ISSN 2542-193X (Online)

For citation:

Glukhova O. E., Gerasimenko A. Y., Slepchenkov M. M. Multi-walled carbon nanotubes with wall chirality indices (m, 2m): Elastic and electrically conductive properties. Izvestiya of Saratov University. Physics , 2026, vol. 26, iss. 1, pp. 84-92. DOI: 10.18500/1817-3020-2026-26-1-84-92, EDN: SADIBL

This is an open access article distributed under the terms of Creative Commons Attribution 4.0 International License (CC-BY 4.0).
Published online: 
31.03.2026
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Language: 
Russian
Heading: 
Nanotechnologies, nanomaterials and metamaterials
Article type: 
Article
UDC: 
538.9
DOI: 
10.18500/1817-3020-2026-26-1-84-92
EDN: 
SADIBL

Multi-walled carbon nanotubes with wall chirality indices (m, 2m): Elastic and electrically conductive properties

Autors: 
Glukhova Olga Evgen'evna, Saratov State University
Gerasimenko Alexander Yur'evich, National Research University «Moscow Institute of Electronic Technology»
Slepchenkov Mikhail Mikhailovich, Saratov State University
Abstract: 

Background and Objectives: Multi-walled carbon nanotubes (MWCNTs), characterized by a large specific surface area, excellent adsorption capacity, high tensile strength, thermal and electrical conductivity, find application in nanoelectronics, energy, catalysis, sensorics, and various biomedical applications. This paper considers a new MWCNT configuration with different number of walls with chirality indices (m, 2m) and an m-increment of 3, providing a van der Waals interwall spacing of ∼3.4 Å and a uniform translation step of 11.35 Å along the MWCNT axis. Materials and Methods: The initial data for constructing the atomistic models were the results of a full-scale experiment on the synthesis of MWCNT arrays by plasma-enhanced chemical vapor deposition. All theoretical studies were performed using the density functional theory method in the tight-binding approximation with self-consistent charge. Results: It has been shown that, under uniform elastic tensile strain, such MWCNTs with walls having the same chirality angle exhibit a slight (within a few hundredths of a terapascal) increase in Young’s modulus with a change in the number of walls from 1 to 8. Furthermore, with an increase in the inner channel diameter from 2 to 6 nm, Young’s modulus increases from 1.7 to 2.2 TPa. A decreasing resistance pattern has been established for the MWCNTs with an increasing number of walls, reaching saturation near 1 kOhm at 8 walls. Conclusion: These results open up broad prospects for the application of MWCNTs with (m, 2m) walls (the m-increment is “3”) in flexible and stretchable electronic devices.

Key words: 
Young’s modulus
electrical resistance
multi-walled carbon nanotubes
chirality
Acknowledgments: 
The work was supported by the Russian Science Foundation (project No. 25-29-00963, https://rscf.ru/project/25-29-00963/).
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Received: 
04.11.2025
Accepted: 
19.12.2025
Published: 
31.03.2026
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