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    • Keywords


      Superconductivity; layered cuprates

    • Abstract


      Cu K-absorption edges of YBa2Cu3O6.9, Tl2CaBa2Cu2O8 and Bi2CaSr2Cu2O8 show similar features. Copper is mainly in the 2+ state in these cuprates suggesting the likely presence of oxygen holes.

    • Author Affiliations


      G Sankar1 G U Kulkarni1 K R Kannan1

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

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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