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Spontaneous twisting of a collapsed carbon nanotube
Umeå University, Faculty of Science and Technology, Department of Physics. 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 University, Faculty of Science and Technology, Department of Physics.
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2017 (English)In: Nano Reseach, ISSN 1998-0124, E-ISSN 1998-0000, Vol. 10, no 6, 1942-1949 p.Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
Tsinghua University Press, 2017. Vol. 10, no 6, 1942-1949 p.
Keyword [en]
multi-walled carbon nanotube, collapsed carbon nanotube, in situ TEM, electron diffraction, twisting, graphene nanoribbons
National Category
Biochemicals Composite Science and Engineering
Identifiers
URN: urn:nbn:se:umu:diva-136050DOI: 10.1007/s12274-016-1380-7ISI: 000401320700010OAI: oai:DiVA.org:umu-136050DiVA: diva2:1112188
Available from: 2017-06-20 Created: 2017-06-20 Last updated: 2017-06-20Bibliographically approved

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Barzegar, Hamid RezaGracia-Espino, EduardoWågberg, Thomas
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Citation style
  • apa
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