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Title: Structural transformations of double-walled carbon nanotube bundle under hydrostatic pressure
Authors: Yang, X.
Wu, G. 
Dong, J.
Issue Date: 2006
Citation: Yang, X., Wu, G., Dong, J. (2006). Structural transformations of double-walled carbon nanotube bundle under hydrostatic pressure. Applied Physics Letters 89 (11) : -. ScholarBank@NUS Repository.
Abstract: Three kinds of the response mechanisms to the external pressure have been found for double-walled carbon nanotube (DWCNT) bundle, depending strongly on their average radius and symmetry. The small-diameter DWCNT bundle undergoes a small discontinuous volume change, and then deform continuously. The intermediate-diameter DWCNT bundle collapses completely after a structure phase transition (SPT). Significantly, two SPTs exist for the larger-diameter DWCNT bundle if the outer tube has no C6 or C3 symmetry. It would be interesting to search for signatures of these different structural transformations by experimentally investigating mechanical, optical, and thermal response functions of DWCNT bundle. © 2006 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.2266529
Appears in Collections:Staff Publications

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