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Materials 2017, 10(7), 752; https://doi.org/10.3390/ma10070752

A Printed Xi-Shaped Left-Handed Metamaterial on Low-Cost Flexible Photo Paper

Department of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan Malaysia, Bangi, Selangor D.E. 43600, Malaysia
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Received: 9 May 2017 / Revised: 28 June 2017 / Accepted: 29 June 2017 / Published: 5 July 2017
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Abstract

A Xi-shaped meta structure, has been introduced in this paper. A modified split-ring resonator (MSRR) and a capacitive loaded strip (CLS) were used to achieve the left-handed property of the metamaterial. The structure was printed using silver metallic nanoparticle ink, using a very low-cost photo paper as a substrate material. Resonators were inkjet-printed using silver nanoparticle metallic ink on paper to make this metamaterial flexible. It is also free from any kind of chemical waste, which makes it eco-friendly. A double negative region from 8.72 GHz to 10.91 GHz (bandwidth of 2.19 GHz) in the X-band microwave spectra was been found. Figure of merit was also obtained to measure any loss in the double negative region. The simulated result was verified by the performance of the fabricated prototype. The total dimensions of the proposed structure were 0.29 λ × 0.29 λ × 0.007 λ. It is a promising unit cell because of its simplicity, cost-effectiveness, and easy fabrication process. View Full-Text
Keywords: double negative; flexibility; inkjet printing; metamaterial; nanoparticle ink technology; paper substrate double negative; flexibility; inkjet printing; metamaterial; nanoparticle ink technology; paper substrate
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Ashraf, F.B.; Alam, T.; Islam, M.T. A Printed Xi-Shaped Left-Handed Metamaterial on Low-Cost Flexible Photo Paper. Materials 2017, 10, 752.

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