TITLE

Mechanism of bright selective imaging of single-walled carbon nanotubes on insulators by scanning electron microscopy

AUTHOR(S)
Homma, Yoshikazu; Suzuki, Satoru; Kobayashi, Yoshihiro; Nagase, Masao; Takagi, Daisuke
PUB. DATE
March 2004
SOURCE
Applied Physics Letters;3/8/2004, Vol. 84 Issue 10, p1750
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Individual single-walled carbon nanotubes (SWNTs) produce highly bright images of the insulator surface around them when observed by scanning electron microscopy at low primary-electron voltage. We found that the insulator surface near SWNTs emits more secondary electrons due to electrons supplied through SWNTs connecting to the outside area of the primary-electron beam scanning. SWNTs are thus highlighted as bright lines corresponding to the electron-beam-induced current range around them. This technique provides a useful and effective way to investigate lateral growth morphology of SWNTs on the substrate. © 2004 American Institute of Physics.
ACCESSION #
12405699

 

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