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Magnetization and X-Ray Studies of YBa2Cu3O7-x Irradiated by Fast Neutrons

  • A. Wisniewski
  • M. Baran
  • P. Przyslupski
  • H. Szymczak
  • A. Pajaczkowska
  • L. Dobrzynski
  • J. Waliszewski
  • M. Biernacka
  • K. Pytel
  • B. Pytel

Abstract

The influence of fast neutron irradiation on magnetic properties and structure of YBa2Cu3O7-x was studied. Samples irradiated with five neutron fluences between 4* 1016n/cm2 and 8. 7* 1017n/cm2 were investigated. The irradiation caused significant changes in the magnetic hysteresis of the samples. The creation of defects within the superconducting grains caused an increase of pinning forces, which enhance critical magnetization currents However, irradiation strongly damages the weak links between grains, which was observed through the decrease of low field hysteresis loops. The transport measurements showed a systematic decrease of transport critical current with increasing irradiation dose. It was noticed that only the highest fluence of neutrons (8. 7* 1017n/cm2) caused a small decrease of the transition temperature.

Keywords

Critical Current Flux Line Neutron Fluences Increase Irradiation Dose Diamagnetic Signal 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1988

Authors and Affiliations

  • A. Wisniewski
    • 1
  • M. Baran
    • 1
  • P. Przyslupski
    • 1
  • H. Szymczak
    • 1
  • A. Pajaczkowska
    • 1
  • L. Dobrzynski
    • 2
  • J. Waliszewski
    • 2
  • M. Biernacka
    • 2
  • K. Pytel
    • 3
  • B. Pytel
    • 3
  1. 1.Institute of PhysicsPolish Academy of SciencesWarszawaPoland
  2. 2.Faculty of PhysicsWarsaw Univ.Branch at BialystokPoland
  3. 3.Institute of Atomic EnergySwierkPoland

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