NDLI: High-Efficient Method for Introducing Nanometer Y$_{2}$Ba$_{ 4 }$CuNbO$_{ x }$ Flux Pinning Centers in Single-Domain YBa$_{2}$Cu$_{3}$O$_{7−δ }$ Bulk Superconductors by TSIG Process

Content Provider	Springer Nature Link
Author	Li, Jiawei Yang, Wanmin Wang, Miao Guo, Yuxia Feng, Zhongling
Copyright Year	2015
Abstract	Single-domain YBa$_{2}$Cu$_{3}$O$_{7−δ }$ (YBCO) superconductors with different additions of Nb$_{2}$O$_{5}$ have been fabricated by a modified top seeded infiltration growth (TSIG) process. The growth morphology, microstructure and levitation force were investigated in details. The experimental results reveal that Nb$_{2}$O$_{5}$ can react with precursor powders in the TSIG process and finally form nanometer Y$_{2}$Ba$_{4}$CuNbO$_{ x }$ (YNb2411) particles which can act as effective flux pinning centers. The content addition of Nb$_{2}$O$_{5}$ has sensitive effect on microstructure and superconductive property of YBCO bulks The levitation force increases firstly from 30 to 36 N and then reduces down to 21 N with the increasing of Nb$_{2}$O$_{5}$ additions from 0.1 to 0.9 wt% and 1.5 wt%. These results indicate a high-efficient method to improve the properties of YBCO bulks.
Starting Page	1725
Ending Page	1728
Page Count	4
File Format	PDF
ISSN	15571939
Journal	Journal of Superconductivity and Novel Magnetism
Volume Number	28
Issue Number	6
e-ISSN	15571947
Language	English
Publisher	Springer US
Publisher Date	2015-02-04
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	High-temperature superconductors TSIG Flux pinning center Single-domain YBCO bulk Strongly Correlated Systems, Superconductivity Magnetism, Magnetic Materials Condensed Matter Physics Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Condensed Matter Physics

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