Fast neutron irradiation and flux pinning in single crystalline high temperature superconductors

作者: F.M Sauerzopf , H.P Wiesinger , W Kritscha , H.W Weber , M.C Frischherz

DOI: 10.1016/0011-2275(93)90068-Y

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摘要: Abstract We report on the influence of fast neutron irradiation critical currents in single crystalline YBa2Cu3O7−δ and Bi2Sr2CaCu2O8+γ. From magnetization measurements especially from an analysis irreversibility lines, models for defect structure, effective flux pinning these systems, are derived. A comparison at 5 K (and subsequent measurement without warming sample above 95 K) ambient reactor temperature allows us to distinguish qualitatively between contributions defects different size systems.

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