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Nanoindentation‐Induced Disappearance of a Room‐Temperature Coulomb Blockade in Single‐Walled Carbon Nanotubes
Author(s) -
Wang Huiyao,
Mao Scott X.
Publication year - 2006
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200500179
Subject(s) - coulomb blockade , nanoindentation , carbon nanotube , materials science , quantum dot , coulomb , nanotechnology , nanometre , deformation (meteorology) , condensed matter physics , composite material , transistor , electron , physics , quantum mechanics , voltage
Disorder via nanoindents : A Coulomb blockade was observed in a single‐walled carbon nanotube (SWNT) with a nanometer‐sized kink (quantum dot). Nanoindentations (see image) divide the SWNT (1 nm diameter) into quantum dots by plastic‐deformation defects and change its electronic properties. Meanwhile, the Coulomb blockade disappears. It implies that room‐temperature transistors can be tuned by AFM nanoindentation.