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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jacob, Mohan V.
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Topics
Publications (15/15 displayed)
- 2023Antimicrobial graphene-based coatings for biomedical implant applicationscitations
- 2022Plasma polymers from oregano secondary metabolitescitations
- 2022Bactericidal vertically aligned graphene networks derived from renewable precursorcitations
- 2015Electrical conduction in plasma polymerized thin films of γ-terpinenecitations
- 2012Microwave properties of Yttrium Vanadate at cryogenic temperatures
- 2011The Effect of Polyterpenol Thin Film Surfaces on Bacterial Viability and Adhesioncitations
- 2008Mesurements of thin resistive films employing split post dielectric resonator technique
- 2006Temperature dependence of complex permittivity of planar microwave materialscitations
- 2005Dielectric Properties of Yttrium Vanadate Crystals from 15 K to 295 Kcitations
- 2005Precise microwave characterisation of low loss dielectrics
- 2004A cryogenic post dielectric resonator for precise microwave characterization of planar dielectric materials for superconducting circuitscitations
- 2004Complex permittivity measurements at variable temperatures of low loss dielectric substrates employing split post and single post dielectric resonatorscitations
- 2004Precise microwave characterization of MgO substrates for HTS circuits with superconducting post dielectric resonatorcitations
- 2003Measurements of loss tangent and relative permittivity of LTCC ceramics at varying temperatures and frequenciescitations
- 2003Microwave Properties of Yttrium Vanadate Crystals at Cryogenic Temperatures
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article
Precise microwave characterization of MgO substrates for HTS circuits with superconducting post dielectric resonator
Abstract
Accurate data of complex permittivity of dielectric substrates are needed for efficient design of HTS microwave planar circuits. We have tested MgO substrates from three different manufacturing batches using a dielectric resonator with superconducting parts recently developed for precise microwave characterization of laminar dielectrics at cryogenic temperatures. The measurement fixture has been fabricated using a SrLaAlO3 post dielectric resonator with DyBa2Cu3O7 end plates and silver-plated copper sidewalls to achieve the resolution of loss tangent measurements of 2 × 10−6. The tested MgO substrates exhibited the average relative permittivity of 9.63 and tanδ from 3.7 × 10−7 to 2 × 10−5 at frequency of 10.5 GHz in the temperature range from 14 to 80 K.