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Pressure effect on superconducting properties ofReBa 1.5 Sr 0.5 Cu 3 O 6+x ceramics

  • HITC—Transport, Thermodynamic Properties, Electron-Phonon Coupling
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Czechoslovak Journal of Physics Aims and scope

Abstract

The influence of pressure (up to 1 GPa) on the superconducting properties ofReBa 1.5 Sr 0.5 Cu 3 O 6+x (Re=Y, Gd) ceramics has been studied in the interval of T=4-100 K. The pressure effect depends strongly on the oxygen contents. ThedT c /dP=20K/GPa (for Re=Y, x=0.56) is the highest value for HTSC of 123 type. Under a prolonged action of pressure at room temperature the relaxation ofT c as well as hysteretic phenomena with pressure have been observed. The relaxation times ofT c under pressure are determined. These effects are interpreted as being due to the oxygen ordering in CuO chains.

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Authors and Affiliations

  1. Institute of Physics, Polish Academy of Sciences, PL02-668, Warszawa, Poland

    Marek A. Baran, Leszek A. Gladczuk & Henryk F. Szymczak

  2. Donetsk Physico-Technical Institute, Ukrainian Academy of Sciences, 340114, Donetsk, Ukraine

    Vladimir P. Dyakonov, Ivan M. Fita & Vladimir I. Markovich

Authors
  1. Marek A. Baran
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  2. Vladimir P. Dyakonov
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  3. Ivan M. Fita
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  4. Leszek A. Gladczuk
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  5. Vladimir I. Markovich
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  6. Henryk F. Szymczak
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Baran, M.A., Dyakonov, V.P., Fita, I.M. et al. Pressure effect on superconducting properties ofReBa 1.5 Sr 0.5 Cu 3 O 6+x ceramics. Czech J Phys 46 (Suppl 3), 1193–1194 (1996). https://doi.org/10.1007/BF02562711

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  • DOI: https://doi.org/10.1007/BF02562711

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