NDLI: Reactive Co-Evaporation of YBCO as a Low-Cost Process for Fabricating Coated Conductors

Content Provider	IEEE Xplore Digital Library
Author	Matias, V. Hanisch, J. Reagor, D. Rowley, E.J. Sheehan, C.
Copyright Year	2002
Abstract	We discuss implementation of reactive co-evaporation (RCE) to deposit high temperature superconducting films on metal tapes. Our method utilizes alternating high-rate deposition and oxygenation and can be extended to coating of moving tape in a continuous fashion. We have demonstrated our method with YBa₂Cu₃O₇ films on 8 cm long ion-beam assisted deposition textured template tapes. Critical current densities of approximately 2.5 MA/cm² at 75.5 K were achieved in HTS films with 2 mum in thickness, and a maximum measured self-field critical current of 950 A/cm-width was achieved in a 6 mum thick film. We discuss some practical possibilities for manufacturing superconducting wire and discuss a cost model for this RCE process. We make the case that the cost of HTS deposition using RCE in manufacturing can be less than $5/kAmiddotm.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	3172
Ending Page	3175
Page Count	4
File Size	341097
File Format	PDF
ISSN	10518223
Volume Number	19
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Yttrium barium copper oxide Conductors Superconducting films High temperature superconductors Costs Coatings Critical current density Density measurement Current measurement Thickness measurement vapor deposition High-temperature superconductors superconducting filaments and wires superconducting films
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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