Critical conditions for escape of a high-speed fullerene from a BNC nanobeam after collision

Cai, K, Yang, L, Shi, J and Qin, Q 2018, 'Critical conditions for escape of a high-speed fullerene from a BNC nanobeam after collision', Scientific Reports, vol. 8, no. 913, pp. 1-14.


Document type: Journal Article
Collection: Journal Articles

Title Critical conditions for escape of a high-speed fullerene from a BNC nanobeam after collision
Author(s) Cai, K
Yang, L
Shi, J
Qin, Q
Year 2018
Journal name Scientific Reports
Volume number 8
Issue number 913
Start page 1
End page 14
Total pages 14
Publisher Nature Publishing Group
Abstract For a resonator-based nano-balance, the capability of capturing a nanoparticle is essential for it to measure the mass of the particle. In the present study, a clamped-clamped nanobeam from a Boron-Nitride and Carbon (BNC) nanotube acts as the nano-balance, and a fullerene, e.g., C 60 , is chosen as the particle, and the capturing capability is quantitatively estimated by the minimal escape velocity (MEV) of the fullerene from the nanobeam after collision. When centrally colliding with the nanobeam, the escape of fullerene depends on both incidence of fullerene and temperature of the system. When the colliding in the Boron-Nitride (BN) area of the beam surface, the nanoball escapes easier than that at the carbon area. The MEV of the nanoball is lower at higher temperature. As the nanoball sometimes slides for a few pica-seconds on the beam surface before being bounced out, the nanoball can escape only when the beam surface can provide the nanoball enough kinetic energy to overcome the van der Waals interaction between them. The capturing capability of the nano-balance can, thus, be improved by reducing the initial kinetic energy of the system.
Subject Nanoelectromechanical Systems
DOI - identifier 10.1038/s41598-017-18789-7
Copyright notice © 2018 The Author(s).
ISSN 2045-2322
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