Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/86958
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Type: Journal article
Title: Silver-gelatine metal-dielectric composites made from developed X-ray films
Author: Krupka, J.
Parka, J.
Los, P.
Hartnett, J.
Naguszewska, K.
Citation: IEEE Antennas and Wireless Propagation Letters, 2011; 10:1602-1604
Publisher: Institute of Electrical and Electronics Engineers
Issue Date: 2011
ISSN: 1536-1225
1548-5757
Statement of
Responsibility: 
Jerzy Krupka, Janusz Parka, Przemyłsaw Łoś, John G. Hartnett, and Karolina Naguszewska
Abstract: The artificial dielectric properties of developed silver-gelatine X-ray film have been evaluated at microwave frequencies. The density of the silver particles in the thin films on the surface of the plastic substrate determines the real and imaginary parts of the complex permittivity. The resulting metamaterial was evaluated between 5 and 20 GHz using the split-post dielectric resonator technique. The real part of the relative permittivity of silver-gelatine mixtures varies in the range 4-170 depending on the concentration of silver. The dielectric loss tangent for such materials is in the range 0.06-0.25 and is largest for the highest permittivity samples.
Keywords: Effective complex permittivity; metal-dielectric composites; metamaterials
Rights: © 2012 IEEE
DOI: 10.1109/LAWP.2011.2182491
Appears in Collections:Aurora harvest 2
Physics publications

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