Title
Lattice dynamics of single-walled boron nitride nanotubes Lattice dynamics of single-walled boron nitride nanotubes
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
Volume/pages
67(2003) :8 , p. 1-6
ISSN
1098-0121
1550-235X
1098-0121
Article Reference
085408
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The phonon dispersion of single-walled boron nitride nanotubes is calculated within a valence shell model of the lattice dynamics. The model parameters are derived from fittings to the measured phonon dispersion of hexagonal boron nitride and available optical data. The calculated phonon dispersion curves for the tubes (10,10), (17,0), and (15,4) are presented. An analysis of the vibrational patterns of the zone-center phonons is given. The results for the phonon dispersion, zone-center phonons, and nonresonant Raman intensity can be used for the needs of characterization of boron nitride nanotube samples by Raman scattering and infrared spectroscopies.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/e8f22a/6685.pdf
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