Structure and transport properties of PrBa2Cu3O7-delta crystals after thermal treatment
1999
Single crystals of PrBa2Cu3O7-(gamma ) have been grown from BaO-CuO solutions. The influence of the post-growth treatment (reduction, oxidation, cooling) on some structural, electrical and magnetic properties of obtained crystals was examined. We report the observation of inhomogeneous superconductivity of PrBa2Cu3O7-(gamma ) crystals after the high temperature reduction in Ar and typical for 1:2:3 compounds oxidation process from the ac magnetic susceptibility and resistivity measurements.
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