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Normal-phase transport properties of highT c Y-Ba-Cu-O compounds

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Abstract

The normal state resistivity of highT c Y-Ba-Cu-O compounds has been investigated and it is shown that the room temperature resistivity depends exponentially on the volume fraction of the non-superconducting phase. It is further shown that the dependence of normal state resistivity on temperature upto 300 K can be explained on the basis of a short-range co-operative electron-phonon coupling. This model also explains the observed positive Seebeck coefficient for the pure phase superconducting sample.

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Authors and Affiliations

  1. Department of Physics, Indian Institute of Technology, 400 076, Bombay, India

    C M Srivastava, S N Bhatia, O M Prakash, N Venkataramani & R Walia

  2. Materials Science Centre, Indian Institute of Technology, 400 076, Bombay, India

    O M Prakash

  3. Advanced Centre for Research in Electronics, Indian Institute of Technology, 400 076, Bombay, India

    N Venkataramani

Authors
  1. C M Srivastava
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  2. S N Bhatia
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  3. O M Prakash
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  4. N Venkataramani
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  5. R Walia
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Srivastava, C.M., Bhatia, S.N., Prakash, O.M. et al. Normal-phase transport properties of highT c Y-Ba-Cu-O compounds. Pramana - J Phys 30, L153–L160 (1988). https://doi.org/10.1007/BF02846654

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  • DOI: https://doi.org/10.1007/BF02846654

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