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http://dx.doi.org/10.4313/JKEM.2017.30.1.32

Study on the Ag Thin Film Layer Deposition of the YBCO Coated Conductor Using a Plasma Surface Treatment  

Jeong, Hyun-Gi (Department of Electricity Engineering, Chonbuk National University)
Yang, Sung-Chae (Department of Electricity Engineering, Chonbuk National University)
Choi, Byoung-Jung (Department of Electricity Engineering, Chonbuk National University)
Du, Ho-Ik (Department of Electricity Engineering, Chonbuk National University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.30, no.1, 2017 , pp. 32-36 More about this Journal
Abstract
The Ag thin film of YBCO (yttrium barium copper oxide) CC (coated conductor) protect the YBCO layer and, at the same time, affects the electrical characteristics of the YBCO CC. Therefore, YBCO CC with the commercialization of the Ag thin film layers makes it easy to establish a process, it can lead to a variety of characteristic changes in YBCO CC. In this paper, plasma surface treatment was carried out to facilitate the deposition of the Ag thin film and the deposition process of YBCO CC. Surface roughness from the test results was increased as the time of the plasma surface treatment increased from 5 to 20 minutes. On the other hand, the surface roughness was decreased for the time of the plasma surface treatment over 20 minutes. Furthermore, after depositing, the increasing of deposit amount and reduced lifting phenomenon showed a similar tendency with the rise time of surface roughness.
Keywords
YBCO coated conductor; Plasma surface treatment; Surface roughness; Thin film;
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