Enhancement of Ic of BaHfO3-Doped REBCO Thick Coated Conductor Using Vapor-Liquid-Solid Growth Technique

Tomohiro Ito, Yusuke Ichino, Yuji Tsuchiya, Kento Yasuda, Ataru Ichinose, Yutaka Yoshida

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The vapor-liquid-solid (VLS) growth technique is a combination of pulsed laser deposition (PLD) method and liquid phase epitaxy (LPE) and is expected to fabricate structures with high crystallinity at a high deposition rate. To utilize superconducting coated conductors (CCs) for applications such as superconducting magnets, it is indispensable to decrease the fabrication cost of CCs. Therefore, we have devised a method to achieve a deposition rate of 26.0 nm/s by changing the partial pressure of O2 during deposition. Furthermore, an enhanced crystallinity was maintained by using the VLS growth technique, with a thickness of up to 10 µm, and we achieved a critical current Ic of 625 A/cm-w.

Original languageEnglish
JournalIEEE Transactions on Applied Superconductivity
Volume31
Issue number5
DOIs
Publication statusPublished - 2021 Aug 1

Keywords

  • High-temperature superconductors
  • VLS growth technique
  • coated conductors
  • thick film

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