Electrospinning of superconducting YBCO nanowires
作者： Edgar A Duarte , Nicholas G Rudawski , Pedro A Quintero , Mark W Meisel , Juan C Nino
DOI: 10.1088/0953-2048/28/1/015006
关键词: Nanowire 、 Crystallite 、 Electrospinning 、 Morphology (linguistics) 、 Chemical engineering 、 Superconductivity 、 Crystal structure 、 Calcination 、 Nanotechnology 、 Microstructure 、 Materials science
摘要: Abstract YBa 2 Cu 3 O 7− δ (YBCO) nanowires with critical transition temperature T c= 91.7 K were synthesized by an electrospinning process with the use of sol–gel precursors. A homogeneous polymeric solution containing Y, Ba, and Cu acetates was electrospun, resulting in collections of randomly oriented nanowires as well as bundles of aligned nanowires. Fully crystallized YBCO nanowires were obtained after calcination at temperatures as low as 820 C. The morphology, microstructure, and crystal structure were …
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