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Spontaneous twisting of a collapsed carbon nanotube
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysik. Department of Physics, University of California, Berkeley, CA 94720, USA; Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA; Kavli Energy NanoSciences Institute at the University of California, Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysik.
Vise andre og tillknytning
2017 (engelsk)Inngår i: Nano Reseach, ISSN 1998-0124, E-ISSN 1998-0000, Vol. 10, nr 6, s. 1942-1949Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We study the collapsing and subsequent spontaneous twisting of a carbon nanotube by in situ transmission electron microscopy (TEM). A custom-sized nanotube is first created in the microscope by selectively extracting shells from a parent multi-walled tube. The few-walled, large-diameter daughter nanotube is driven to collapse via mechanical stimulation, after which the ribbon-like collapsed tube spontaneously twists along its long axis. In situ diffraction experiments fully characterize the uncollapsed and collapsed tubes. The experimental observations and associated theoretical analysis indicate that the origin of the twisting is compressive strain.

sted, utgiver, år, opplag, sider
Tsinghua University Press, 2017. Vol. 10, nr 6, s. 1942-1949
Emneord [en]
multi-walled carbon nanotube, collapsed carbon nanotube, in situ TEM, electron diffraction, twisting, graphene nanoribbons
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-136050DOI: 10.1007/s12274-016-1380-7ISI: 000401320700010OAI: oai:DiVA.org:umu-136050DiVA, id: diva2:1112188
Tilgjengelig fra: 2017-06-20 Laget: 2017-06-20 Sist oppdatert: 2018-06-09bibliografisk kontrollert

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