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New YBCO superconducting wires obtained from narrow textured tubes

P Odier et al 2009 Supercond. Sci. Technol. 22 125024 (5pp)   doi: 10.1088/0953-2048/22/12/125024  Help

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P Odier1, A Allais2, C Millon3, S Morlens1,4, L Ortega1, C Jiménez3, L Porcar1, X Chaud1, P Chaudouët3, S Pairis1, P Tixador1 and J L Soubeyroux1
1 Institut Néel and CRETA, CNRS&UJF, 25 avenue des Martyrs, BP 166, F-38042 Grenoble Cedex 09, France
2 Nexans Research Center, 170 avenue Jean Jaurès, F-69353 Lyon Cedex 07, France
3 LMGP CNRS UMR5628, Grenoble INP, Minatec, 3 parvis Louis Néel, BP 257, F-38016 Grenoble, France
4 Present address: St Gobain Recherche, BP 135, 93303 Aubervilliers Cedex, France

Abstract. A conductor wire consisting of Ag/YBCO/LZO/Ni–5 at.%W RABITS has been processed as a cylindrical tube of millimetre diameter. Textured layers of LZO and YBCO were grown by chemical methods. Electron backscattered diffraction was used to characterize the texture of the LZO surface which was good enough to be used as a template for YBCO deposition. The YBCO layer was textured and had a superconducting transition at 88 K. However, the quality of both LZO and YBCO must be improved to consider practical applications in electrical current transport. On the other hand, this work demonstrates that epitaxial growth of oxides on a curved surface by using chemical methods is possible.

Print publication: Issue 12 (December 2009)
Received 18 June 2009, in final form 25 September 2009
Published 23 October 2009

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