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Chen Y.,Xi'an University of Science and Technology | Chen Y.,HengTong Optic Electrical Co. | Tang X.,Xi'an University of Science and Technology | Bian W.,Xi'an University of Science and Technology | And 3 more authors.
Superconductor Science and Technology | Year: 2015

Biaxially textured La2Zr2O7 (LZO) single buffer layer, Y0.2Ce0.8O2 (YCO) single buffer layer, and YCO/LZO bilayer buffer layer are prepared on NiW tapes using chemical solution deposition technique. All the buffer layers are of good in-plane and out-of-plane texture. The introduction of a YCO cap layer on the LZO buffer layer improves the surface quality of the films. YBa2Cu3O7-x (YBCO) films are then prepared on these buffer layers using our recently developed low-fluorine solution route. Purely c-oriented YBCO films with good in-plane and out-of-plane texture are obtained on the YCO/LZO bilayer buffer layers. The YBCO/YCO/LZO/Ni stack prepared using all chemical solution routes shows a high Tc over 90 K, a sharp transition temperature ΔT = 0.8 K, and a Jc of 0.7 MA cm-2(at 77 K, 0T). © 2015 IOP Publishing Ltd.

Hengtong Optic Electrical Co. | Date: 2016-04-22

Wires, electric; materials for electricity mains wires, cables; cell switches electricity; cables, electric; optical cables; connections, electric; light conducting filaments optical fibers fibre; couplings, electric; connectors electricity; amplifiers.

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