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Sm-doped YBCO Coated Conductor on the IBAD MgO Template Fabricated by MOD Process

Published online by Cambridge University Press:  17 March 2011

Geo-Myung Shin ,
Rock-Kil Ko ,
Kyu-Jung Song ,
Jae-Moo Yoo ,
Chan Park ,
Seung-Hyun Moon  and
Sang-Im Yoo
Geo-Myung Shin
Affiliation:
Department of Materials Science & Engineering, Seoul National University, San 56-1, Shillimdong, Gwanak-gu, Seoul, 151-744, Korea, Republic of
Rock-Kil Ko
Affiliation:
Superconducting Material Research Group, Korea Electrotechnology Research Institute, Changwon, 641-120, Korea, Republic of
Kyu-Jung Song
Affiliation:
Superconducting Material Research Group, Korea Electrotechnology Research Institute, Changwon, 641-120, Korea, Republic of
Jae-Moo Yoo
Affiliation:
High Temperature Superconducting Wire Laboratory, Korea Institute of Machinery & Materials, Changwon, 641-010, Korea, Republic of
Chan Park
Affiliation:
Department of Materials Science & Engineering, Seoul National University, San 56-1, Shillimdong, Gwanak-gu, Seoul, 151-744, Korea, Republic of
Seung-Hyun Moon
Affiliation:
SuNAM Co., Ltd, Anyang, 430-018, Korea, Republic of
Sang-Im Yoo
Affiliation:
Department of Materials Science & Engineering, Seoul National University, San 56-1, Shillimdong, Gwanak-gu, Seoul, 151-744, Korea, Republic of
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Abstract

Metal organic deposition (MOD) is one of the attractive processes for coated conductor applications because it is a non-vacuum cost-effective process. Many research groups have successfully fabricated high-JC YBCO coated conductor on the RABiTS and IBAD-YSZ or GZO template with the MOD process. Reports on MOD-processed YBCO coated conductors prepared on the IBAD-MgO template, however, are hardly found. The precursor solution was coated on the CeO2 capped IBAD-MgO template using the slot-die coating method, calcined at a temperature of 550oC, and fired at high temperatures for 2 h 30 min in a reduced oxygen atmosphere. Optimal processing resulted in YBCO coated conductors exhibiting JC value of 0.75 MA/cm2 at 77 K in self-field. The JC values of YBCO coated conductors were found very sensitive to their microstructure, critical temperature, and in-plane texture.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1001: Symposium M – Progress in High-Temperature Superconductors , 2007 , 1001-M05-06
Copyright
Copyright © Materials Research Society 2007

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