Magnetic and superconducting behaviour of the oxides, Pr1−xGdxBa2Cu3Oy

Das, I. ; Sampathkumaran, E. V. ; Vijayaraghavan, R. ; Nakazawa, Y. ; Ishikawa, M. (1991) Magnetic and superconducting behaviour of the oxides, Pr1−xGdxBa2Cu3Oy Physica C: Superconductivity, 173 (5-6). pp. 331-336. ISSN 0921-4534

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The results of our investigation on the superconducting behaviour of the oxides Pr1−xGdxBa2Cu3Oy by resistivity and AC susceptibility measurements suggest that the superconducting transition temperature (Tc) increases monotonically with x for x=0.6. The concentration of Pr required to depress Tc in this Gd series appears to be smaller than in the corresponding Y series, possibly due to volume dependent hole trapping effects. Specific heat measurements were performed in the temperature range 0.4-20 K in order to understand the magnetism of the rare-earth ions. Interestingly, Pr and Gd ions undergo magnetic ordering independently though both are presumably present in the same magnetic sub-lattice and the observed ordering temperatures rule out any direct intersite Pr-Gd magnetic interaction in this series of compounds.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:45675
Deposited On:29 Jun 2011 03:17
Last Modified:29 Jun 2011 03:17

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