List of records in nano database



Authors : Osváth,Z.;Tapasztó,L.;Vértesy,G.;Koós,A.,A.;Horváth,Z.,E.;Gyulai,J.;Bíró,L.,P.
Title : STM imaging of carbon nanotube point defects
JournalName : Physica Status Solidi A
PubDateYear : 2007
PubDateOther :
Volume : 204
Issue :
StartPage : 1825
EndPage : 1829
Keywords :
Notes :
Abstract : In this work the STM investigation of nanotube point defects created by ion irradiation (e.g. vacancies) is presented. The defects appeared as hillock-like features on the STM images. These defects were compared with similar features observed on the STM images of as-grown coiled carbon nanotubes. In this case the observed hillock-like features were attributed to the non-hexagonal carbon rings, which are responsible for the growth of bent and coiled nanotube structures. For irradiation, multi-walled carbon nanotubes produced by the arc-discharge method were dispersed on highly oriented pyrolitic graphite (HOPG) surface and irradiated with Ar+ ions of 30 keV, using a low dose of D = 5 × 1011 ions/cm2.
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