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S. O. Kotrechko, Eu. V. Kolyvoshko, A. M. Timoshevskii, N. M. Stetsenko, and O. V. Ovsiannikov
Atomism of the Force-Field Influence on the Durability of Carbyne–Graphene Nanoelements and Similar Two-Dimensional Nanostructures
0009–0031 (2023)

PACS numbers: 34.20.Cf, 36.40.Qv, 61.46.-w, 62.23.-c, 62.25.-g, 63.22.Kn, 81.05.U-

Atomic mechanisms of the fluctuation-induced breaking of contact bonds in carbyne–graphene nanoelements under the force-field conditions are considered. Existence of two components of the force-field effect on the durability of carbyne–graphene nanoelements and similar two-dimensional nanostructures is ascertained, namely, (i) a decrease in the energy-barrier height under the force action and (ii) a decrease in expenditure of energy for breaking the bond due to the release of elastic-deformations’ energy accumulated within the nanoelement. As shown using the example of a carbyne–graphene nanoelement, the impact of the force field can cause a drop in durability by tens of orders of magnitude. This is a manifestation of the synergy of the temperature and force-field effects on the stability and durability of nanostructures. Approximate analytical dependences are derived, which enable predicting the durability of such two-dimensional nanostructures, in particular, as straintronics elements, with sufficient accuracy. From a theoretical point of view, the proposed approach may be considered as a generalization of the Arrhenius theory of reactions to the case of force-field action.

Key words: carbyne, carbyne–graphene nanoelements, low-dimensional nanostructure, strength, durability, Arrhenius theory.

https://doi.org/10.15407/nnn.21.01.009

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