Microwave compatible YBa2Cu3O7−δfilms on (001)MgF2substrates

Autor:	Mandava Rajeswari, T. Venkatesan, Alberto Piqué, J. R. Zhang, D. Kalokitis, V. Pendrick, K. S. Harshavardhan, K. Patel, E.J. Denlinger, Andrew Smith, Steven Green, E. Belohoubek, X. D. Wu, Aly E. Fathy, R. Edwards
Rok vydání:	1994
Předmět:	Superconductivity Materials science Physics and Astronomy (miscellaneous) business.industry Electrical resistivity and conductivity Transition temperature Dissipation factor Optoelectronics Dielectric Dielectric resonator business Microwave Sheet resistance
Zdroj:	Applied Physics Letters. 64:1570-1572
ISSN:	1077-3118 0003-6951
Popis:	High quality YBa2Cu3O7−δ (YBCO) films have been epitaxially grown on low dielectric constant, low loss tangent (001)MgF2 substrates using a double buffer layer scheme. The YBCO films are (001) oriented, exhibit Tc’s of 88–89 K with transition widths ≤0.5 K and Jc’s of 4×106 A/cm2 at 77 K in zero field. Dielectric resonator experiments indicate unloaded Q values in excess of 30 000 at 77 K and 24 GHz in the unpatterned films. Films patterned into meanderline resonators and operating at 10 GHz, 79 K, exhibit surface resistance (Rs)
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::2c1d2cf29a384bcba259e0d4315f9960 https://doi.org/10.1063/1.111842 Zobrazit plný text záznamu