Fabrication of Ni-5 at. %W Long Tapes with CeO2 Buffer Layer by Reel-to-Reel Method

Lin Ma, Hui Tian, Zhao Yue, Mangmang Gao, Hongli Suo, Jean-Claude Grivel

Research output: Contribution to journalJournal articleResearchpeer-review


A 10-m-long homemade textured Ni-5at.%W (Ni5W) long tape with a CeO2 buffer layer has been prepared successfully by means of rolling-assisted biaxially textured substrate (RABiTS) route followed by a chemical solution deposition method in a reel-to-reel manner. Globally, the Ni5W substrate and CeO2 film exhibit high homogeneity in terms of biaxial texture over the tape. The average values of full width at half maximum of in-plane and out-of-plane texture are 7.2° and 6.1° in Ni5W substrate, 7.6° and 6.1° in CeO2 buffer layer, respectively, all of those with a small standard deviation. On a microlevel, the CeO2 film epitaxially grows well on top of the Ni5W tape. A continuous, smooth, and crack-free morphology was observed on the CeO2 film and the fraction of low-angle grain boundaries (≤ 10°) is about 98 %. This process is a potential possibility for producing long-length textured CeO2/Ni5W tapes for coated conductors with a low cost.
Original languageEnglish
JournalJournal of Superconductivity and Novel Magnetism
Issue number10
Pages (from-to)2959-2965
Number of pages7
Publication statusPublished - 2015


  • Ni-5at.% W tapes
  • CeO2 buffer layer
  • Reel-to-reel
  • Long tape
  • Cube texture


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