Title
Combination of <tex>$CeO_{2}$</tex> and <tex>$PtO_{2}$</tex> doping for the strong enhancement of Jc under magnetic field in melt-textured superconductor YBaCuO Combination of <tex>$CeO_{2}$</tex> and <tex>$PtO_{2}$</tex> doping for the strong enhancement of Jc under magnetic field in melt-textured superconductor YBaCuO
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Amsterdam ,
Subject
Physics
Source (journal)
Physica: C: superconductivity. - Amsterdam
Volume/pages
262(1996) :3/4 , p. 220-226
ISSN
0921-4534
ISI
A1996UV45000011
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A combination of CeO2 and PtO2 doping has been studied in melt-processed YBa2Cu3O7-x. This study was carried out using an optimized well established MTG process. The cerium-platinum doped samples exhibit a high fishtail effect with a J(c) of 4.3 x 10(4) A/cm(2) under an applied field of 1 T. Microstructural and nanostructural studies have been performed. The 211 and BaCeO3 inclusions are a few micrometers wide and the formation of a metastable nanocrystalline phase (Y4Ba4)Cu-8-x(Ce,Pt)(x)O-20+delta related to the perovskite is detected. The 123 grains show no specific extended defect generated by the doping process. The relationship between structure and properties are discussed.
E-info
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