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Substitution Effect of Pr for Ca in Bi2Sr2CaCu2O8+δ System

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Abstract

The Bi2Sr2CaCu2O8+δ system samples doped with Pr on Ca sites were synthesized. Resistivity temperature dependence, X-ray powder diffraction, and photoemission experiments have been performed. Both X-ray diffraction and photoemission measurements show that Pr ion enters the lattice with a valence higher than 3+, which supports the hole-filling mechanism of the suppression of superconductivity.

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Authors and Affiliations

  1. National Lab of Solid State Microstructures and Physics Department, Nanjing University, Nanjing, 210093, P. R. China

    Q. Li

  2. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, P. R. China

    Q. Li, H. B. Pan, C. G. Zhu, P. S. Xu & X. Y. Zhang

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  1. Q. Li
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  2. H. B. Pan
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  3. C. G. Zhu
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  4. P. S. Xu
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  5. X. Y. Zhang
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Li, Q., Pan, H.B., Zhu, C.G. et al. Substitution Effect of Pr for Ca in Bi2Sr2CaCu2O8+δ System. Journal of Superconductivity 13, 603–606 (2000). https://doi.org/10.1023/A:1007881002778

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  • DOI: https://doi.org/10.1023/A:1007881002778

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