Rotational behavior of a nanoring protected by argon

Shi, J, Li, Y, Wang, A and Cai, K 2018, 'Rotational behavior of a nanoring protected by argon', Computational Materials Science, vol. 154, pp. 132-137.

Document type: Journal Article
Collection: Journal Articles

Title Rotational behavior of a nanoring protected by argon
Author(s) Shi, J
Li, Y
Wang, A
Cai, K
Year 2018
Journal name Computational Materials Science
Volume number 154
Start page 132
End page 137
Total pages 6
Publisher Elsevier BV
Abstract Using argon to protect the rotary nanoring made from curved carbon nanotube, we discover that the gas can act as an onoff and/or a speed controller of the rotary nanoring. The mechanism is that the argon cluster formed at lower temperature provides friction on the nanoring, which may stop rotating due to the friction. Molecular dynamics simulation results demonstrate that the nanoring cannot rotate at 100 K, but rotates at 300 K, or it rotates faster at higher temperature. Periodic fluctuation of the rotational frequency of the ring happens when the argon cluster is formed periodically. Using the nanoring as an engine of a nanomachine, the speed of the machine can be adjusted by changing the ambient temperature. Hence, the argon onoff provides potential application in nanodevices.
Subject Condensed Matter Physics not elsewhere classified
Keyword(s) Argon
Carbon nanotube
Molecular dynamics
DOI - identifier 10.1016/j.commatsci.2018.07.045
Copyright notice © 2018 Elsevier B.V. All rights reserved.
ISSN 0927-0256
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