Published June 28, 2014 | Version v1
Journal article

Phonon dispersion and quantization tuning of strained carbon nanotubes for flexible electronics

  • 1. Electronic Packaging Laboratory, State University of New York at Buffalo, 102 Ketter Hall, Buffalo, New York 14260 (United States)
  • 2. Nanotechnology Research Laboratory, University of Tabuk, Tabuk, 71491, Saudi Arabia and Faculty of Engineering, Alexandria University, Alexandria 21526 (Egypt)

Description

Graphene and carbon nanotubes are materials with large potentials for applications in flexible electronics. Such devices require a high level of sustainable strain and an understanding of the materials electrical properties under strain. Using supercell theory in conjunction with a comprehensive molecular mechanics model, the full band phonon dispersion of carbon nanotubes under uniaxial strain is studied. The results suggest an overall phonon softening and open up the possibility of phonon quantization tuning with uniaxial strain. The change in phonon quantization and the resulting increase in electron-phonon and phonon-phonon scattering rates offer further explanation and theoretical basis to the experimental observation of electrical properties degradation for carbon nanotubes under uniaxial strain.

Additional details

Identifiers

Publishing Information

Journal Title
Journal of Applied Physics
Journal Volume
115
Journal Issue
24
Journal Page Range
p. 243702-243702.6
ISSN
0021-8979
CODEN
JAPIAU

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
46010218
Subject category
S77: NANOSCIENCE AND NANOTECHNOLOGY;
Descriptors DEI
CARBON NANOTUBES; ELECTRICAL PROPERTIES; ELECTRONS; GRAPHENE; NANOELECTRONICS; PHONONS; QUANTIZATION; SCATTERING; SIMULATION; STRAINS
Descriptors DEC
CARBON; ELEMENTARY PARTICLES; ELEMENTS; FERMIONS; LEPTONS; NANOSTRUCTURES; NANOTUBES; NONMETALS; PHYSICAL PROPERTIES; QUASI PARTICLES

Optional Information

Notes
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