The influence of heat treatment parameters on pyrolysed TFA-derived YBCO films deposited by inkjet printing |
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| Authors: | K Vandaele M Mosiadz SC Hopkins A Patel I Van Driessche BA Glowacki |
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| Affiliation: | 1. Applied Superconductivity and Cryoscience Group, Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge CB2 3QZ, UK;2. Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan 281 S3, 9000 Gent, Belgium;1. Energy-Saving Building Materials Collaborative Innovation Center of Henan Province, Xinyang Normal University, 237 Nanhu Road, Xinyang 464000, China;2. College of Physics and Electronic Engineering, Xinyang Normal University, 237 Nanhu Road, Xinyang 464000, China;1. Clean Energy Research Center, Korea Institute of Science and Technology, Seoul 130-650, Republic of Korea;2. School of Science, University of Science and Technology, 52 Eoeun dong, Yuseong-gu, Daejeon 305-333, Republic of Korea;1. Organic and Nano Electronics Laboratory, Department of Physics, National Institute of Technology, Calicut, 673601, Kerala, India;2. Nanoscience Research Laboratory, School of Nano Science and Technology, National Institute of Technology, Calicut, 673601, Kerala, India;1. Facultyof Engineering, Iwate University, Morioka 020-8551,Japan;2. Departmentof Chemistry,GraduateSchoolof Pure and Applied Sciences, Universityof Tsukuba, Tsukuba 305-8571,Japan;3. Kyushu ElectricPower Co., Inc., Fukuoka 815-8520,Japan;4. Superconductivity ResearchLaboratory, ISTEC,Tokyo 135-0062,Japan;1. CIRIMAT - Université Toulouse III Paul Sabatier, Physique des Polymères, 118 Route de Narbonne, 31062, Toulouse, France;2. ONERA - DPHY, The French Aerospace Lab, F-31055, Toulouse, France |
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| Abstract: | An anhydrous TFA-derived YBa2Cu3O7?δ precursor solution was deposited on all chemical solution deposition fully buffered metallic tape by means of electromagnetic drop-on-demand inkjet printing and pyrolysed in a flowing wet O2 atmosphere. The influence of the annealing temperature and time, the gas flow rate and water vapour partial pressure on phase formation, and the morphology and superconducting performance of the resulting film, were investigated. It was found by scanning Hall probe magnetometry that reproducible superconducting films with a critical current density of 0.18 MA/cm2 can be produced after annealing for 2 h at 728 °C, without metal substrate oxidation, in a flowing 200 ppm O2 in Ar atmosphere with 31 mbar water vapour partial pressure. |
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