S.S Oh, H.S. Kim, H.S. Ha, R.K. Ko, D.W. Ha, H. Lee, S.H. Moon, S.I. Yoo
언어
영어(ENG)
URL
https://www.earticle.net/Article/A212562
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초록
영어
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.
목차
Abstract 1. INTRODUCTION 2. COATED CONDUCTOR STRUCTURE AND IBAD-MgO TEMPLATE 3. HIGH PERFORMANCE SmBCO TAPE 4. LONG LENGTH GdBCO TAPE 5. CONCLUSION ACKNOWLEDGMENT REFERENCES
키워드
SmBCOGdBCOcoated conductorevaporationcritical current
저자
S.S Oh [ Korea Electrotechnology Research Institute, Sungsan-gu, Changwon-si, Gyeongnam 641-120 Korea ]
Corresponding author
H.S. Kim [ Korea Electrotechnology Research Institute, Sungsan-gu, Changwon-si, Gyeongnam 641-120 Korea ]
H.S. Ha [ Korea Electrotechnology Research Institute, Sungsan-gu, Changwon-si, Gyeongnam 641-120 Korea ]
R.K. Ko [ Korea Electrotechnology Research Institute, Sungsan-gu, Changwon-si, Gyeongnam 641-120 Korea ]
D.W. Ha [ Korea Electrotechnology Research Institute, Sungsan-gu, Changwon-si, Gyeongnam 641-120 Korea ]
H. Lee [ SuNAM Co.,Ltd., Wongok-myeon, Anseong-si, Gyeonggi-do 456-812, Korea ]