Progress in research and development for REBCO coated conductors by reactive co-evaporation

S. S. Oh, H. S. Kim, H. S. Ha, R. K. Ko, D. W. Ha, Haigun Lee, S. H. Moon, S. I. Yoo

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper reviews recent progress in research and development (R&D) of reactive co-evaporation for high performance REBCO coated conductors in Korea. Two types of reactive co-evaporation methods were developed for the deposition of SmBCO and GdBCO superconducting layers respectively on the IBAD (Ion Beam Assisted Deposition)-MgO template in the Korean coated conductor project. Batch type reactive co-evaporation equipment and its processing were developed for SmBCO coated conductors at Korea Electrotechnology Research Institute (KERI) in conjunction with the Korea Advanced Institute of Science and Technology (KAIST), and a very high critical current exceeding 1,000 A/cm at 77 K in the self field was achieved through the optimization of deposition parameters. Reel-to-reel type reactive co-evaporation processing with a high conversion rate was also developed, while long length GdBCO coated conductors have been routinely produced by SuNAM Co. The minimum critical current of 422 A/cm-w at 77 K in self field was confirmed for 1 km-long GdBCO tape.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalJournal of the Korea Institute of Applied Superconductivity and Cryogenics
Volume15
Issue number4
DOIs
Publication statusPublished - 2013 Dec
Externally publishedYes

Fingerprint

Evaporation
Critical currents
Ion beam assisted deposition
Processing
Tapes

Keywords

  • Coated conductor
  • Critical current
  • Evaporation
  • GdBCO
  • SmBCO

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

Progress in research and development for REBCO coated conductors by reactive co-evaporation. / Oh, S. S.; Kim, H. S.; Ha, H. S.; Ko, R. K.; Ha, D. W.; Lee, Haigun; Moon, S. H.; Yoo, S. I.

In: Journal of the Korea Institute of Applied Superconductivity and Cryogenics, Vol. 15, No. 4, 12.2013, p. 1-5.

Research output: Contribution to journalArticle

Oh, S. S. ; Kim, H. S. ; Ha, H. S. ; Ko, R. K. ; Ha, D. W. ; Lee, Haigun ; Moon, S. H. ; Yoo, S. I. / Progress in research and development for REBCO coated conductors by reactive co-evaporation. In: Journal of the Korea Institute of Applied Superconductivity and Cryogenics. 2013 ; Vol. 15, No. 4. pp. 1-5.
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