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IJPAP Vol.43(12) [December 2005] >


Title: Study of depression of critical temperature of praseodymium doped high Tc cuprates
Authors: Gill, R
Singh, P
Keywords: High Tc cuprates
Praseodymium
Superconductivity
Issue Date: Dec-2005
Publisher: CSIR
IPC CodeC04101:00, H01L39/00
Abstract: The recent experimental observation of the substitution of praseodymium (Pr) in high transition temperature (Tc) superconducting Y123 compounds gives rise to very interesting properties, such as monotonic decrease of Tc with increase in Pr concentration which is not satisfactorily explained yet. The depression of Tc is due to hole filling/hole localization, magnetic pair breaking or some kind of disorder/dislocation is still not clear. The depression of Tc in Y1-xPrx Ba2Cu3O7-x has been explained using magnetic pair breaking, hole filling and disorder. It has been argued that the disorder along with hole filling is responsible for suppression of Tc and subsequently to lower order parameter (∆).
Page(s): 977-979
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.43(12) [December 2005]

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