Non-superconductivity of La2−xBaxCaCu2O6

Hiratani, Masahiko; Saito, S.; Suga, M.; Sowa, Terumasa

doi:10.1016/0038-1098(90)90594-2

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A Systems Re(o)--ca(o)-cu(o)1

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Cited by 9 publications

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“…A minute amount of the pressure-intercalated oxygen atoms, 0.014 (7) per formula, located [275] between the square-pyramidal cuprate sheets is able to do the job. It is interesting to note that Ba did not have the desired effect as hole dopant [276], and neither could the Sr variant (Ca replaced by Sr) be made superconducting by substitutions. These facts have been discussed in terms of a fine-tuning of the Cu-O bond distances [274].…”

Section: A Systems Re(o)--ca(o)-cu(o)mentioning

confidence: 99%

Phase diagrams for the YBa2Cu3O7 family — ANNO 1996

Karen

Kjekshus

1997

Journal of Thermal Analysis

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Phase diagrams for cupratcs of alkaline earth and rare earth elements are presented, covering binary to quintenary oxides and including selected solid solution series with other elements. Elementary crystal chemical data are included for identification of the occurring phases. Chemical stability is discussed with respect to the high-temperature reactions with Lewis acids like CO2, protons, etc. Particularly the occurrence of oxide carbonates is consistently pointed out as one of the possible reasons for contradictory results in phase diagrams which comprise oxides with high basicity.

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Section: A Systems Re(o)--ca(o)-cu(o)mentioning

confidence: 99%