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Superconductivity in Pseudo-Quaternary System

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Abstract

The superconductivity of pseudo-quternary system Y1−xMx Ba2 Cu3 O7-δ, YBa2 Cu3−xM x O7-δ, where M stands Co,Cr,&Zn and with x=0,0.001,0.005,0.01 & 0.02, has been investigated.

The XRD analysis shows that the perovskite structure is preserved and a stabilization effect on orthorhombic structure by 3d elements addition was proposed. On the contrary, the microstructure has been modified prominently and it is determined by the sintering mechanism involved and/or diffusion process in each doped sample. Second phase precipitate can be found at grain surface. The superconductivity, however, has not been greatly affected.

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Authors and Affiliations

  1. Chung-Shan Institute of Science & Technology, National Taiwan University, China

    P. C. Yao, C. I. Chiang, C. W. Hsieh, J. W. Chen, I. N. Lin, S. J. Yang & S. E. Hsu

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  1. P. C. Yao
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  2. C. I. Chiang
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  3. C. W. Hsieh
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  4. J. W. Chen
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  5. I. N. Lin
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  6. S. J. Yang
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  7. S. E. Hsu
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Yao, P.C., Chiang, C.I., Hsieh, C.W. et al. Superconductivity in Pseudo-Quaternary System. MRS Online Proceedings Library 99, 543–547 (1987). https://doi.org/10.1557/PROC-99-543

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  • DOI: https://doi.org/10.1557/PROC-99-543

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