Two level undercut-profile substrate for filamentary YBa sub(2)Cu sub(3)O sub(7) coated conductors

A novel substrate design is presented for scalable industrial production of filamentary coated conductors (CCs). The new substrate, called 'two level undercut-profile substrate (2LUPS)', has two levels of plateaus connected by walls with an undercut profile. The undercuts are made to produ...

Full description

Saved in:
Bibliographic Details
Published in:Superconductor science & technology 2015-01, Vol.28 (7), p.1-5
Main Authors: Wulff, A C, Solovyov, M, Gomory, F, Abrahamsen, A B, Mishin, O V, Usoskin, A, Rutt, A, Lundeman, J H, Thyden, K, Hansen, J B, Grivel, J-C
Format: Article
Language:English
Subjects:
Coating
COATINGS
Conductors
COPPER OXIDE
Decoupling
DEPOSITION
ELECTRICAL CONDUCTORS
INDUSTRIAL APPLICATIONS
REMANENCE
SUPERCONDUCTIVITY
SUPERCONDUCTORS
Undercuts
Walls
YBCO superconductors
YTTRIUM OXIDE
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A novel substrate design is presented for scalable industrial production of filamentary coated conductors (CCs). The new substrate, called 'two level undercut-profile substrate (2LUPS)', has two levels of plateaus connected by walls with an undercut profile. The undercuts are made to produce a shading effect during subsequent deposition of layers, thereby creating gaps in the superconducting layer deposited on the curved walls between the two levels. It is demonstrated that such 2LUPS-based CCs can be produced in a large-scale production system using standard deposition processes, with no additional post-processing. Inspection of the conductor cross-section reveals that the deposited superconducting layer is physically separated at the 2LUPS undercuts. Filament decoupling is also seen in maps of the remanent magnetic field and confirmed by transport measurements.
ISSN:0953-2048
1361-6668
DOI:10.1088/0953-2048/28/7/072001