Microwave and microstructural studies of silver-doped YBa2Cu3O7-δ thin films

Jacob, Mohan V., Mazierska, Janina, Kim, Jeha, Kang, Kwang-Yong, and Srivastava, G.P. (1998) Microwave and microstructural studies of silver-doped YBa2Cu3O7-δ thin films. Superconductor Science & Technology, 11 (11). pp. 1217-1221.

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Abstract

Using the sapphire dielectric resonator method, we investigated the effect of silver on the microwave properties of high-temperature superconducting YBa₂Cu₃O₇-δ (YBCO) thin films on MgO substrates at 25 GHz. Silver-doped YBCO films were prepared by laser ablation from targets of Ag doping of 2, 6, 8 and 10 wt%, and their crystal structures were characterized by x-ray diffraction and scanning electron microscopy. The surface resistance of Ag-doped YBCO films decreased by 20% when the doping level increased from 2 wt% to 10 wt%, which showed a correlation with improved microstructure of films.

Item ID: 28284
Item Type: Article (Research - C1)
ISSN: 1361-6668
Date Deposited: 22 Aug 2013 23:07
FoR Codes: 02 PHYSICAL SCIENCES > 0204 Condensed Matter Physics > 020404 Electronic and Magnetic Properties of Condensed Matter; Superconductivity @ 80%
09 ENGINEERING > 0912 Materials Engineering > 091202 Composite and Hybrid Materials @ 20%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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