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Proceedings Paper

Nanotube, nanowire, and nanocircuit behavior in simulated space environments
Author(s): V. M. Ayres; B. W. Jacobs; S. P. Song; R. M. Ronningen; A. F. Zeller; M. A. Crimp; J. B. Halpern; M.-Q. He; M. P. Petkov; D. Liu; H. C. Shaw
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Paper Abstract

This paper reports the results of two separate heavy ion irradiation experiments. In the first set, nanomaterial samples including single and multi wall carbon nanotubes and electrospun carbon nanofibers, with well-graphitized vapor grown carbon fibers as controls, were irradiated using a primary beam of Krypton-86 ions at 142 Amp MeV. The single and multi wall carbon nanotube samples sustained little damage from the highest radiation dose. In the second set, a gallium nitride nanowire-based field effect transistor was irradiated using a primary beam of Krypton-78 ions at 140 Amp MeV. The nanocircuit maintained normal function under high active bias and high radiation dose. Krypton-86 and Krypton-78 are representative of high-Z heavy ions encountered in a space radiation environment. Results from the pre-irradiation structure and optoelectronic characterization of the gallium nitride nanowires are also reported.

Paper Details

Date Published: 24 August 2005
PDF: 14 pages
Proc. SPIE 5897, Photonics for Space Environments X, 589702 (24 August 2005);
Show Author Affiliations
V. M. Ayres, Michigan State Univ. (United States)
B. W. Jacobs, Michigan State Univ. (United States)
S. P. Song, Michigan State Univ. (United States)
R. M. Ronningen, Michigan State Univ. (United States)
A. F. Zeller, Michigan State Univ. (United States)
M. A. Crimp, Michigan State Univ. (United States)
J. B. Halpern, Howard Univ. (United States)
M.-Q. He, Howard Univ. (United States)
M. P. Petkov, NASA Jet Propulsion Lab. (United States)
D. Liu, NASA Goddard Space Flight Ctr. (United States)
H. C. Shaw, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 5897:
Photonics for Space Environments X
Edward W. Taylor, Editor(s)

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