Tunable and adaptive LHM ZOR using a nonlinear dielectric thin film of STO

In this paper, we propose a tunable CRLH ZOR based on the latest resurgent of ferroelectric materials. It is known that for most resonant structures, attainment of optimal performance requires some level of additional tuning through either mechanical means or other coupling mechanisms. Therefore, in...

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Bibliographic Details
Main Authors: Mansour, Mohamed M., Elmala, Mostafa A., Shalaby, Abdel-Aziz T., El-Rabaie, El-Sayed M.
Format: Conference Proceeding
Language:English
Subjects:
Conductors
Dielectric losses
Ferroelectric
High-temperature superconductors
HTS
LHM
Microwave circuits
MTM
STO
Temperature measurement
Tuning
ZOR
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Summary:In this paper, we propose a tunable CRLH ZOR based on the latest resurgent of ferroelectric materials. It is known that for most resonant structures, attainment of optimal performance requires some level of additional tuning through either mechanical means or other coupling mechanisms. Therefore, incorporation of electronic tuning into HTS components without degradation of performance is very attractive. The result will be low-loss microwave components that could be fine-tuned for optimal performance, with the additional attribute of being tunable over a broadband frequency range. The dielectric properties of the ferroelectric thin film, and the thickness of the ferroelectric film, play a fundamental role in the frequency or phase tunability and the overall insertion loss of the circuit. The ZOR is designed, and simulated by the full-wave analysis software. The response shows a variation of electromagnetic characteristics with the applied electric field, ferroelectric thickness and the operating temperature.
DOI:10.1109/SIECPC.2013.6550974