Fabrication of highly textured IBAD-MgO template by continuous reel-to-reel process and its characterization

Highly textured long-length MgO template was successfully deposited on a polycrystalline metal tape using ion-beam-assisted deposition (IBAD). To increase the speed of the IBAD processing, tape moving system was modified from a single-turn to multi-turn system with 14-pass and five heating zones, wh...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2007-10, Vol.463-465, p.564-567
Main Authors: Ko, K.P., Ha, H.S., Kim, H.K., Yu, K.K., Ko, R.K., Moon, S.H., Oh, S.S., Park, C., Yoo, S.I.
Format: Article
Language:English
Subjects:
Applied sciences
Critical current density
Electrical engineering. Electrical power engineering
Exact sciences and technology
Ion-beam-assisted deposition (IBAD)
Materials
Multi-turn
Reel-to-reel electro-polishing
YBCO
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Summary:Highly textured long-length MgO template was successfully deposited on a polycrystalline metal tape using ion-beam-assisted deposition (IBAD). To increase the speed of the IBAD processing, tape moving system was modified from a single-turn to multi-turn system with 14-pass and five heating zones, which leads to larger deposition area. The overall process consists of reel-to-reel electro-polishing of a Hastelloy C276 tape, deposition of Al2O3 diffusion layer and Y2O3 seed layer, deposition of IBAD-MgO and homo-epi MgO layer, and deposition of LaMnO3 (LMO) buffer layer and YBa2Cu3O7−δ (YBCO) superconducting layer using pulsed laser deposition (PLD). Recently, 100m long IBAD-MgO tape with in-plane texture of Δϕ
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2007.01.043