NDLI: Loss behavior of microwave transmission line structures on PZT thin films

Content Provider	IEEE Xplore Digital Library
Author	Nadzar, H. Sulaiman, S. Salleh, M.K.M. Awang, Z.
Copyright Year	2010
Description	Author affiliation: Microwave Technology Centre, Faculty of Electrical Engineering, Universiti Teknologi MARA, Shah Alam, 40450 Selangor, Malaysia (Nadzar, H.; Sulaiman, S.; Salleh, M.K.M.; Awang, Z.)
Abstract	This paper presents a continuation of an investigation into the behavior of ferroelectric lead zirconate titanate (PZT) thin films at high frequency through electromagnetic simulation. The electrical characteristics were analyzed on two transmission line (TL) structures namely microstrip (MS) and coplanar waveguide (CPW) built on PZT thin films. The characteristics are studied by investigating the effect of varying the loss tangent of PZT and the width of the transmission lines on the insertion loss of the two TL structures. The length of the line was set at 100 µm and the thickness was 0.1 µm. Different characteristic impedances were set to calculate the difference of width for MS and CPW. The PZT film thickness was 0.5 µm, and the structures were simulated over 1 to 20 GHz. Using er values of 87 and 112 respectively for MS and CPW found earlier from capacitance measurements, the insertion loss (IL) was computed at 10 GHz for various structures. The variations of tan d were simulated to predict their IL. The results were compared with tan d at 0.1 and 0.09 taken from the capacitance measurement for MS and CPW. Results of this study show that the structures exhibit similar performance, with CPW showing the lower loss for all given widths. These results show the viability of using PZT as a new dielectric material for microwave integrated circuits.
Starting Page	21
Ending Page	24
File Size	579251
Page Count	4
File Format	PDF
ISBN	9781424486472
e-ISBN	9781424486489
DOI	10.1109/SCORED.2010.5703963
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-13
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Computers microstrip and co-planar transmission lines Computational modeling Films ferroelectric films MMICs Coplanar waveguides Integrated circuit modeling Lead zirconate titanate
Content Type	Text
Resource Type	Article

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