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자연과학대학
화학·나노과학전공
Journal papers
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Fabrication of YBa2Cu3O7-δ superconducting nanofibres by electrospinning
Title
Fabrication of YBa2Cu3O7-δ superconducting nanofibres by electrospinning
Authors
Cui X.M.
;
Lyoo W.S.
;
Son W.K.
;
Park D.H.
;
Choy J.H.
;
Lee T.S.
;
Park W.H.
Ewha Authors
최진호
SCOPUS Author ID
최진호
Issue Date
2006
Journal Title
Superconductor Science and Technology
ISSN
0953-2048
Citation
Superconductor Science and Technology vol. 19, no. 12, pp. 1264 - 1268
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
YBa2Cu3O7-δ superconducting nanofibres were successfully fabricated via the electrospinning method in combination with the sol-gel process. The solution was prepared by the sol-gel process with a homogeneous aqueous PVA solution containing Y, Ba, and Cu acetates. The viscosity of the precursor sol for electrospinning was controlled by the evaporation of solvent and a condensation reaction. The electrospun nanofibres were pyrolysed to remove PVA or volatile components, and then sintered to generate a superconducting phase. The critical transition temperature (Tc) of superconducting YBa2Cu 3O7-δ nanofibres was measured by DC susceptibility tests. By optimizing the electrospinning process and following heat treatments, superconducting YBa2Cu3O7-δ nanofibres with a Tc ≤ 92.2K could be produced. © 2006 IOP Publishing Ltd.
DOI
10.1088/0953-2048/19/12/007
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