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Applied Physics Letters / Volume 96 / Issue 18 / NANOSCALE SCIENCE AND DESIGN

Appl. Phys. Lett. 96, 183110 (2010); http://dx.doi.org/10.1063/1.3427432 (3 pages)

Evidence for substitutional boron in doped single-walled carbon nanotubes

P. Ayala1, J. Reppert2, M. Grobosch3, M. Knupfer3, T. Pichler1, and A. M. Rao2

1Faculty of Physics, University of Vienna, 1090 Wien, Austria
2Department of Physics and Astronomy and COMSET, Clemson University, USA
3IFW Dresden, P.O. Box 270116, D-01171 Dresden, Germany

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(Received 4 March 2010; accepted 18 April 2010; published online 6 May 2010)

Precise determination of acceptors in the laser ablation grown B doped single-walled carbon nanotubes (SWCNTs) has been elusive. Photoemission spectroscopy finds evidence for subpercent substitutional B in this material, which leads to superconductivity in thin film SWNT samples.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

boron, carbon nanotubes, laser ablation, superconducting materials, superconducting thin films, X-ray photoelectron spectra

PACS

  • 74.78.Na

    Mesoscopic and nanoscale systems

  • 79.60.-i

    Photoemission and photoelectron spectra

  • 82.80.Pv

    Electron spectroscopy (X-ray photoelectron (XPS), Auger electron spectroscopy (AES), etc.)

  • 74.70.Wz

    Carbon-based superconductors

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3427432

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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    J. Nakamura, M. Matsudaira, J. Haruyama, H. Sugiura, M. Tachibana, J. Reppert, A. Rao, T. Nishio, Y. Hasegawa, H. Sano, and Y. Iye, Appl. Phys. Lett. 95, 142503 (2009)APPLAB000095000014142503000001.

    D. Carroll, P. Redlich, X. Blase, J. Charlier, S. Curran, P. Ajayan, S. Roth, and M. Ruhle, Phys. Rev. Lett. 81, 2332 (1998).

    P. Ayala, K. De Blauwe, H. Shiozawa, Y. Feng, C. Kramberger, S. Silva, R. Follath, H. Kataura, and T. Pichler, Phys. Rev. B 80, 205427 (2009).

    L. Wirtz and A. Rubio, AIP Conf. Proc. 685, 402 (2003)APCPCS000685000001000402000001.


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