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Bragg scattering of x-rays in multiwalled carbon nanotubes

Lookup NU author(s): Professor David Herbert, Professor Anthony O'Neill

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Abstract

In the past few years it has been shown theoretically that carbon nanotubes coated with various materials have the potential to act as waveguides at x-ray frequencies. At these frequencies the angle of incidence relative to the axis of the nanotube is a few milliradians, creating significant challenges for the experimental confirmation of mode formation. Recent developments in the growth of multiwalled carbon nanotubes with WS2 walls suggest that they have the potential to act as Bragg fibers at x-ray frequencies. In this paper we use the scattering matrix method to study mode formation in multiwalled carbon nanotubes coated with gold. It is found that they are capable of acting as Bragg fibers but the wall thickness and the number of bilayers must be increased in order to obtain mode confinement. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2993754]

Publication metadata

Author(s): Ong SY, Childs PA, Herbert DC, O'Neill AG

Publication type: Article

Publication status: Published

Journal: Journal of Applied Physics

Year: 2008

Volume: 104

Issue: 8

ISSN (print): 0021-8979

ISSN (electronic): 1520-8850

Publisher: American Institute of Physics

URL: http://dx.doi.org/10.1063/1.2993754

DOI: 10.1063/1.2993754

Notes: Article no. 083103 6 pages

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