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Superconductivity and structural characteristics of ceramic Pr2Ba4Cu7O15−δ prepared by ambient pressure synthesis using citrate pyrolysis method

✍ Scribed by M. Hagiwara; T. Shima; S. Tanaka; K. Nishio; T. Isshiki; T. Saito; K. Koyama

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 431 KB
Volume: 463-465
Category: Article
ISSN: 0921-4534
DOI: 10.1016/j.physc.2007.01.071

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The stability of phases in the (Y1\_xPrx)2Ba4Cu7Ois\_6 (Pr-doped 247) system with x= 0 to 1.0 was investigated. The samples in the Pr-doped 247 series were prepared at 99@C under 20-24 bar of oxygen atmosphere, followed by long time annealing at 30(PC under 120 bar of oxygen pressure. Nearly single-