Structure of high-T c superconducting tape of the second generation with high current-carrying capacity |
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| Authors: | V. I. Nikolaichik I. I. Khodos G. L. Klimenko M. N. Kovalchuk |
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| Affiliation: | 1. Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia
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| Abstract: | Commercial high-T c superconducting tape produced by Superpower Inc. (the U.S.A.) is studied by scanning and transmission electron microscopy. The superconductor structure is shown to consist of a superconducting layer of average composition GdBa1.5Cu2.5–3.0O y coated by a silver layer and buffer layers of LaMnO3, MgO,Y2O3, and Al2O3 deposited on a metallic tape of nickel alloy (Ni-Cr-Mo-Fe-W-Co-Mn). The superconducting layer is formed by the superconducting oxide GdBa2Cu3O y containing lamellar inclusions Gd2O3. |
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