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To access the full text documents, please follow this link: http://hdl.handle.net/2117/1117

Title:	Reduced microwave losses YBa[sub 2]Cu[sub 3]O[sub 7 - delta] thin films on electro-optic LiNbO[sub 3] crystals
Author:	Fàbrega i Soler, Lluís; Rubí, R.; Fontcuberta, Josep; Sánchez, F.; Ferrater Martorell, Cesar; García-Cuenca Varona, Victoria; Varela, M.; Collado Gómez, Juan Carlos; Mateu Mateu, Jordi; Menéndez Nadal, Óscar; O'Callaghan Castellà, Juan Manuel
Other authors:	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
Abstract:	We report on the growth of epitaxial YBa2Cu3O7 thin films on X-cut LiNbO3 single crystals. The use of double CeO2/YSZ buffer layers allows a single in-plane orientation of YBa2Cu3O7, and results in superior superconducting properties. In particular, surface resistance Rs values of 1.4 m have been measured at 8 GHz and 65 K. The attainment of such low values of Rs constitutes a key step toward the incorporation of high Tc materials as electrodes in photonic and acoustic devices.
Publication date:	2012-05-10
Subject(s):	Àrees temàtiques de la UPC::Enginyeria electrònica i telecomunicacions::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques High temperature superconductors Microwaves Electric resistance high-temperature superconductors yttrium compounds barium compounds superconducting epitaxial layers surface conductivity critical currents pulsed laser deposition electro-optic crystals microwave losses Superconductors a altes temperatures Microones Resistència elèctrica
Rights:	Consulteu les condicions d'ús d'aquest document en el repositori original:http://hdl.handle.net/2117/1117
Document type:	Article
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