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Relation between highT c superconductivity and structure: A study of Ba3+x Cu6O14+δ and YBa2Cu3O7−δ systems

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Abstract

Superconductivity is found in tetragonal La3−x Ba3+x Cu6O14+δ and La, Ba)6−x Sr x Cu6O14+δ even though they do not possess Cu-O chains or the K2NiF4 structure. Resistivity measurements confirm the occurrence of a transformation from chain-superconductivity to sheet-superconductivity in YBa2Cu3O7−δ as δ is varied in the range 0.0–0.5.

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Authors and Affiliations

  1. Solid State and Structural Chemistry Unit, Indian Institute of Science, 560 012, Bangalore, India

    A K Ganguli, L Ganapathi, K Sreedhar, R A Mohanram, P Ganguly & C N R Rao

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  1. A K Ganguli
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  2. L Ganapathi
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  3. K Sreedhar
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  4. R A Mohanram
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  5. P Ganguly
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  6. C N R Rao
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Contribution No. 481 from the Solid State and Structural Chemistry Unit

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Ganguli, A.K., Ganapathi, L., Sreedhar, K. et al. Relation between highT c superconductivity and structure: A study of Ba3+x Cu6O14+δ and YBa2Cu3O7−δ systems. Pramana - J Phys 29, L335–L339 (1987). https://doi.org/10.1007/BF02845741

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  • DOI: https://doi.org/10.1007/BF02845741

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