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- 2023Tailoring LPSO phases in Mg–Y–Zn alloys to govern hydrogenation kineticscitations
- 2019Room‐Temperature Ferromagnetic Insulating State in Cation‐Ordered Double‐Perovskite Sr<sub>2</sub>Fe<sub>1+</sub><i><sub>x</sub></i>Re<sub>1−</sub><i><sub>x</sub></i>O<sub>6</sub>Filmscitations
- 2015Influence of Uncertainty in Dielectric Properties on the Design Performance of a Tunable Composite Right/Left Handed Leaky Wave Antenna
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document
Influence of Uncertainty in Dielectric Properties on the Design Performance of a Tunable Composite Right/Left Handed Leaky Wave Antenna
Abstract
Uncertainties of the order of8 % in the accuracy of lithography used to define co-planar waveguides on ferroelectric thin films lead to a similar uncertainty in the value of relative permittivity of the film extracted from measurements. When such films are used as the tunable elements in a tunable composite right/left handed leaky wave antenna, such variations of the capacitance of the varactors can lead to a reduction in radiation and total efficiency around of the order of 1 dB in 5 dB due to the appearance of a bandgap in the frequency response.