Carrier doping in the layered cuprate Sr14Cu24O41

M. Kato, H. Chizawa, Y. Koike, T. Noji, Y. Saito

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)


We have made a trial of carrier doping into the layered cuprate Sr14Cu24O41 with the CuO2 chain and the Cu2O3 plane by the partial substitution of Ca2+ for Sr2+ and the annealing in oxygen of various pressures. In Sr14-xCaxCu24O41, the electrical resistivity ρ{variant} decreases with increasing x, though the temperature dependence still remains semiconductive. The magnetic susceptibility exhibits an anomalous broad hump about 70 K for x=0. Through the annealing N2, the value of ρ{variant} decreases slightly and a tiny anomaly appears about 20 K for 8.4≦x≦9.0.

Original languageEnglish
Pages (from-to)1327-1328
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Issue numberPART 2
Publication statusPublished - 1994 Dec


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