Low temperature magnetoresistance in the Ru-1222 superconductor

Samples with nominal compositions RuSr2R1.4Ce0.6Cu2O10−δ (R=Eu, Sm) were synthesized and their magnetic and transport properties were investigated. A superconducting transition is observed in the ρ(T) dependencies at Ton=40 K for R=Eu and 32 K for R=Sm. The χ′(T) dependencies denoted a lack of negat...

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Bibliographic Details
Published in:Materials letters 2005-08, Vol.59 (18), p.2357-2360
Main Authors: Balchev, N., Kunev, B., Pirov, J., Mihova, G., Nenkov, K.
Format: Article
Language:English
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Summary:Samples with nominal compositions RuSr2R1.4Ce0.6Cu2O10−δ (R=Eu, Sm) were synthesized and their magnetic and transport properties were investigated. A superconducting transition is observed in the ρ(T) dependencies at Ton=40 K for R=Eu and 32 K for R=Sm. The χ′(T) dependencies denoted a lack of negative values of χ′ in the temperature range Td
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2005.02.079