Download Controlled Introduction of Flux Pinning Centers in YBa2Cu3O7-x Films during Pulsed-Laser Deposition (Postprint) - AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH PROPULSION DIR/POWER DIV/MECHANICAL ENERGY CONVERSION BRANCH; Varanasi, C; Barnes, P N; Burke, J; Carpenter, J; Haugan, T J | ePub Online

Read Online Controlled Introduction of Flux Pinning Centers in YBa2Cu3O7-x Films during Pulsed-Laser Deposition (Postprint) - AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH PROPULSION DIR/POWER DIV/MECHANICAL ENERGY CONVERSION BRANCH; Varanasi, C; Barnes, P N; Burke, J; Carpenter, J; Haugan, T J | PDF

2012-02 Genre/Form: Text Material Type: Internet resource Document Type: Internet Resource, Archival Material All Authors / Contributors: AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH PROPULSION DIR/POWER DIV/MECHANICAL ENERGY CONVERSION BRANCH; Varanasi, C; Barnes, P N; Burke, J; Carpenter, J; Haugan, T J OCLC Number: 832135217 Language Note: English Notes: text/html Abstract: To introduce controlled random inclusion of nanometer-sized nonsuperconducting particulates in YBa2Cu3O7-x films for flux pinning enhancement, a special pulsed-laser-ablation YBa2Cu3O7-x target with a Y2BaCuO5 sector was made and the films were deposited on LaAlO3 substrates. Initial results showed that the films consist of 10-20 nm-sized precipitates. In a 0.5 micron thick film, a transport critical current density (Jc) 3 MA/sq cm at 77 K in self-field was measured. Magnetization Jc at 77 and 65 K showed significant improvements in these films with fine precipitates as compared to regular YBa2Cu3O7-x films (10 times increase at 9 T, 65 K).Published in Applied Physics Letters, v87 article 262510, 2005.

Title : Controlled Introduction of Flux Pinning Centers in YBa2Cu3O7-x Films during Pulsed-Laser Deposition (Postprint)
Author : AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH PROPULSION DIR/POWER DIV/MECHANICAL ENERGY CONVERSION BRANCH; Varanasi, C; Barnes, P N; Burke, J; Carpenter, J; Haugan, T J
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