Effect of oxygen annealing on magnetic performance of (Nd,Eu,Gd)Ba 2Cu3Oy with a lamelar pinning nanostructure

M. Jirsa, M. Rames, M. Muralidhar, P. Diko

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1 Citation (Scopus)


The nanometer-scale correlated pinning disorder filling channels between regular twin boundaries in the melt-textured (Nd,Eu,Gd)Ba2Cu 3Oy composite is studied. Aligned with regular twin boundaries but tightly packed on nm-scale, this pinning medium is capable to significantly enhance pinning performance at high magnetic fields. We show that oxygen annealing plays a principal role in the formation mechanism of this defect type. It seems that the nanoscale lamelar structure is extremely sensitive to the oxygenation procedure and to the terminal temperature.

Original languageEnglish
Article number012015
JournalJournal of Physics: Conference Series
Publication statusPublished - 2009
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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