[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.9714/psac.2013.15.4.001

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

Oh, S.S. (Korea Electrotechnology Research Institute)
Kim, H.S. (Korea Electrotechnology Research Institute)
Ha, H.S. (Korea Electrotechnology Research Institute)
Ko, R.K. (Korea Electrotechnology Research Institute)
Ha, D.W. (Korea Electrotechnology Research Institute)
Lee, H. (SuNAM Co.,Ltd.)
Moon, S.H. (SuNAM Co.,Ltd.)
Yoo, S.I. (Seoul National University)

Publication Information

Progress in Superconductivity and Cryogenics / v.15, no.4, 2013 , pp. 1-5 More about this Journal

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.

Keywords

SmBCO; GdBCO; coated conductor; evaporation; critical current;

Citations & Related Records

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