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Proceedings Paper

Biopolymer-based dielectric materials for space environments
Author(s): Fahima Ouchen; Donna M. Joyce; Narayanan Venkat; Steven R. Smith; Guru Subramanyam; Edward Taylor; James G. Grote
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Paper Abstract

The potential of bio-dielectrics for space applications was explored using deoxyribonucleic acid (DNA)-based biopolymers. Un-doped DNA, as well as titanium dioxide (TiO2) nanoparticle (rutile form)-doped DNA were processed and evaluated. Characterized parameters were temperature stability, resistivity, dielectric constant, dielectric loss and radiation tolerance. The dielectric constant and dielectric loss of un-doped DNA and TiO2-doped DNA were measured for both pre- and post- exposure to approximately100 krad Gamma-ray radiation. There was little change in the dielectric constant and dielectric loss of the un-doped DNA sample with exposure to radiation. However, there was a significant reduction in the dielectric constant of the TiO2-doped DNA sample.

Paper Details

Date Published: 15 October 2012
PDF: 5 pages
Proc. SPIE 8519, Nanophotonics and Macrophotonics for Space Environments VI, 85190L (15 October 2012); doi: 10.1117/12.942153
Show Author Affiliations
Fahima Ouchen, Air Force Research Lab. (United States)
Univ. of Dayton Research Institute (United States)
Donna M. Joyce, Air Force Research Lab. (United States)
Narayanan Venkat, Air Force Research Lab. (United States)
Univ. of Dayton Research Institute (United States)
Steven R. Smith, Air Force Research Lab. (United States)
Univ. of Dayton Research Institute (United States)
Guru Subramanyam, Univ. of Dayton (United States)
Edward Taylor, International Photonics Consultants, Inc. (United States)
James G. Grote, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 8519:
Nanophotonics and Macrophotonics for Space Environments VI
Edward W. Taylor; David A. Cardimona; Javier Pérez-Moreno; Nathan J. Dawson, Editor(s)

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