NDLI: Thick <formula formulatype=inline><tex Notation=TeX>$hbox{YBa}_{2}hbox{Cu}_{3}hbox{O}_{7-delta}$ </tex></formula> Superconducting Films by Low-Fluorine Metallorganic Solution Deposition

Content Provider	IEEE Xplore Digital Library
Author	Gangqiang Shu Minjuan Li Boubeche, M. Zhiyong Liu Chuanyi Bai Chuanbing Cai
Copyright Year	2002
Abstract	YBa₂Cu₃O_7-δ (YBCO) coated conductor has been a promising candidate for high-current transportation material in industry, while the critical current (I_c) becomes a limitation for large-scale application. An efficient way to improve I_c is to increase the thickness of YBCO film without much reduction in critical current density (J_c). Metallorganic solution deposition (MOD) is a traditional method to fabricate YBCO films while it takes time as long as 10h during the pyrolysis process. In comparison, Low-Fluorine MOD (LF-MOD) method is applied to reduce the pyrolysis time to less than 2h. In this paper, we successfully obtain YBCO thick films up to 1.7μm by double dip coating process using low-fluorine MOD method. Though wrinkles are frequently observed on the surface of the first layer after pyrolysis at 400 °C for 0.5h, the surface of the final double coated YBCO thick film is homogeneous and cracks are hardly found. Further tests show relatively good c-axis orientation and J_c value of about 10⁵ A/cm² at 77K. With an optimization for the pyrolysis and crystallization processes, better superconducting properties of YBCO thick film are expected.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1
Ending Page	3
Page Count	3
File Size	490405
File Format	PDF
ISSN	10518223
Volume Number	24
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
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 Thick films Crystallization Surface treatment Conductors YBCO thick film Double coating low-fluorine metallorganic solution deposition (MOD)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Controlled-Growth of $hbox{YBa}_{2}hbox{Cu}_{3}hbox{O}_{7-delta} $ Film Using Modified Low-Fluorine Chemical Solution Deposition

Enhanced Flux Pinning Properties of MOD-Processed $ hbox{YBa}_{2}hbox{Cu}_{3}hbox{O}_{7 - delta}$ Thin Films With $hbox{BaZrO}_{3}$ Nanoparticles Using a Ba-Deficient Coating Solution

${hbox{YBa}}_{2}{hbox{Cu}}_{3}{hbox{O}}_{7{hbox{-}}delta}$ Formation by Processing of Laser-Ablated, Fluorine-Free Precursor Films

Water-Vapor-Controlled Reaction for Fabrication of YBCO Films by Fluorine-Free Sol-Gel Process

Enhanced $J_{c}$ in $hbox{rm YBa}_{2}hbox{rm Cu}_{3}hbox{O}_{7 - delta}$ Thin Films by Low-Level Cr Doping

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Intrinsic Surface Resistance of YBCO Thin Films Under DC Magnetic Field

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Pulsed laser deposition of thick YBa{sub 2}Cu{sub 3}O{sub 7-{delta}} films on flexible substrates

Thick $hbox{YBa}_{2}hbox{Cu}_{3}hbox{O}_{7-delta}$ Superconducting Films by Low-Fluorine Metallorganic Solution Deposition

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