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Characteristics of a high Tc superconducting rectangular microstrip patch on uniaxially anisotropic substrate

Auteurs : Siham BENKOUDA, Abderraouf MESSAI, Mounir AMIR, Sami BEDRA, Tarek FORTAKI
Année : 2014
Domaine : Electronique
Type : Publication
Revue : Physica C: Superconductivity
Résumé en PDF : (résumé en pdf)
Fulltext en PDF : (.pdf)
Mots clés : superconducting microstrip patch, Anisotropic substrate, Permittivity and permeability tensors

Résumé :

Resonant characteristics of a high Tc superconducting rectangular microstrip patch printed on uniaxially anisotropic substrate are investigated using a full-wave spectral analysis in conjunction with the complex resistive boundary condition. The uniaxial medium shows anisotropy of an electric type as well as anisotropy of a magnetic type. Both permittivity and permeability tensors of the substrate are included in the formulation of the dyadic Green’s function of the problem. The accuracy of the analysis is tested by comparing the computed results with previously published data for several anisotropic substrate materials. Numerical data of the resonant frequency and bandwidth as a function of electric anisotropy ratio are presented. Variations of the resonant frequency and bandwidth with the magnetic anisotropy ratio are also given. Finally, results showing the influence of the temperature on the resonant frequency and quality factor of the high Tc superconducting rectangular microstrip patch on a uniaxial substrate are also given.