$J_{\rm c}-B$ ${\rm YBa}_{2}{\rm Cu}_{3}{\rm O}_{7}$ ${\rm CeO}_{2}/{\rm YSZ/CeO}_{2}$
| Autor: | Yoshinori Hakuraku, M. Daio, T. Doi, S. Kubota, K. Shima, R. Tomiyasu, Naoji Kashima, M. Tokudome, S. Nagaya |
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| Rok vydání: | 2009 |
| Předmět: |
Materials science
High-temperature superconductivity Analytical chemistry Substrate (electronics) Yttrium barium copper oxide Condensed Matter Physics Magnetic hysteresis Electronic Optical and Magnetic Materials law.invention Overlayer chemistry.chemical_compound chemistry Ferromagnetism law Electrical and Electronic Engineering Electroplating Yttria-stabilized zirconia |
| Zdroj: | IEEE Transactions on Applied Superconductivity. 19:3287-3290 |
| ISSN: | 1558-2515 1051-8223 |
| Popis: | The Cu substrates have the advantages of no ferromagnetic contribution to hysteretic AC losses, and low cost compared to Ni substrates. We investigated the Jc-B properties of YBCO films deposited on the cube-textured Cu tapes with intervening buffer layers. A protective Ni overlayer was added on top of the cube-textured Cu tape by electroplating to reduce the oxidation rate of the Cu substrate. The YBCO films prepared on the CeO2/YSZ/CeO2 buffered Ni-electroplated Cu tapes revealed the transport Jc exceeding 3.6 MA/cm2 at 77 K in a self-field. We also confirmed that our Ni-electroplated Cu tape lost its ferromagnetism after 700degC times 1 hour heat treatment. |
| Databáze: | OpenAIRE |
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