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Proceedings Paper

Electrical properties of silver nanoparticles reinforced LiTaO3:P(VDF-TrFE) composite films
Author(s): A. K. Batra; John Corda; Padmaja Guggilla; M. D. Aggarwal; M. E. Edwards
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Paper Abstract

Pyroelectric infrared Lithium tantalite [(LiTaO3), LT] ceramic particles and silver nanoparticles have been incorporated into a polyvinylidene fluoride-trifluoroethylene [P(VDF-TrFE) 70/30 mol%] copolymer matrix to form composite films. The films were prepared using solvent casting method. Electrical properties such as the dielectric constant, dielectric loss, and pyroelectric coefficient have been measured as a function of temperature. In addition, materials' figures-of-merit have also been calculated to assess their use in infrared detectors. The results show that the fabricated silver nanoparticles incorporated lithium tantalite: polyvinylidene fluoride-trifluoroethylene composite films may have a good potential for uncooled infrared sensor applications.

Paper Details

Date Published: 27 August 2009
PDF: 8 pages
Proc. SPIE 7419, Infrared Systems and Photoelectronic Technology IV, 741904 (27 August 2009); doi: 10.1117/12.824384
Show Author Affiliations
A. K. Batra, Alabama A&M Univ. (United States)
John Corda, Alabama A&M Univ. (United States)
Padmaja Guggilla, Alabama A&M Univ. (United States)
M. D. Aggarwal, Alabama A&M Univ. (United States)
M. E. Edwards, Alabama A&M Univ. (United States)

Published in SPIE Proceedings Vol. 7419:
Infrared Systems and Photoelectronic Technology IV
Eustace L. Dereniak; Randolph E. Longshore; Ashok K. Sood; John P. Hartke; Paul D. LeVan, Editor(s)

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