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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.

Keywords: A1 Journal article; Electron microscopy for materials research (EMAT)

Impact Factor: 0.942

Times cited: 27

DOI: 10.1016/0921-4534(96)00225-0

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	“Combination of CeO₂ and PtO₂ doping for the strong enhancement of Jc under magnetic field in melt-textured superconductor YBaCuO”. Delamare MP, Hervieu M, Wang J, Provost J, Monot I, Verbist K, Van Tendeloo G, Physica: C : superconductivity 262, 220 (1996). http://doi.org/10.1016/0921-4534(96)00225-0 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. Keywords: A1 Journal article; Electron microscopy for materials research (EMAT) Impact Factor: 0.942 Times cited: 27 DOI: 10.1016/0921-4534(96)00225-0 Additional Links: UA library record; WoS full record; WoS citing articles Permanent link \| Save citation: RTF PDF LaTeX \| Export record: BibTeX Endnote ISI RIS Word XML
	“Columnar defects and irreversibility lines in Ti-based superconductors”. Wahl A, Hervieu M, Van Tendeloo G, Hardy V, Provost J, Groult D, Simon C, Raveau B, Radiation effects and defects in solids 133, 293 (1995) Keywords: A1 Journal article; Electron microscopy for materials research (EMAT) Impact Factor: 0.513 Times cited: 11 Additional Links: UA library record; WoS full record; WoS citing articles Permanent link \| Save citation: RTF PDF LaTeX \| Export record: BibTeX Endnote ISI RIS Word XML