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The Inner Shell Influence on the Electronic Structure of Double‐Walled Carbon Nanotubes
Author(s) -
Tison Y.,
Giusca C. E.,
Stolojan V.,
Hayashi Y.,
Silva S. R. P.
Publication year - 2008
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200700399
Subject(s) - materials science , carbon nanotube , shell (structure) , fermi level , electronic structure , density of states , van hove singularity , carbon fibers , nanotechnology , condensed matter physics , molecular physics , chemical physics , composite material , electron , physics , quantum mechanics , composite number
We present STM and STS results obtained for double‐walled carbon nanotubes. In the case displayed here, the STS results exhibit the Van Hove singularities corresponding to semi conducting tubes for both the outer and the inner shell and a finite density of states at the Fermi level ( E F ) is observed for a DWNT. We associate this behavior to the presence of an intershell interaction.