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Evolution of the superconductivity during the pressure-induced oxygen ordering process in oxygen-deficient REBa2Cu3O6+x (RE=Y,Nd,La)

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Abstract

The pressure controlled oxygen reordering processes in REBa 2 Cu 3 O 6+x (RE=Y,Nd,La) causing the continous charge transfer between the CuO x and CuO 2 planes were investigated. The charge transfer results in the time evolution of superconductivity. A strong acceleration of ordering and disordering processes was found when the RE-ion size increases from Y to La. Pressure induced semiconductor-superconductor transition in LaBa 2 Cu 3 O 6+x resulted from the oxygen ordering is reported for the first time.

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Authors and Affiliations

  1. Institute of Physics, Polish Academy of Sciences, PL 02-668, Warsaw, Poland

    I.M. Fita, R. Puzuiak, V.P. Dyakonov, A. Wisniewski & H. Szymczak

  2. Donetsk Institute for Physics and Technology NAS, 340114, Donetsk, Ukraine

    I.M. Fita, N.A. Doroshenko & V.P. Dyakonov

Authors
  1. I.M. Fita
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  2. R. Puzuiak
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  3. N.A. Doroshenko
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  4. V.P. Dyakonov
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  5. A. Wisniewski
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  6. H. Szymczak
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Fita, I., Puzuiak, R., Doroshenko, N. et al. Evolution of the superconductivity during the pressure-induced oxygen ordering process in oxygen-deficient REBa2Cu3O6+x (RE=Y,Nd,La). Journal of Low Temperature Physics 117, 909–913 (1999). https://doi.org/10.1023/A:1022554924959

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  • DOI: https://doi.org/10.1023/A:1022554924959

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