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Flux pinning characteristics in 180 mev cu-irradiated bisrcacuo

Japanese Journal of Applied Physics, ISSN: 1347-4065, Vol: 31, Issue: 10
1992
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Metrics Details

  • Citations
    11
    • Citation Indexes
      11
      • CrossRef
        11

Article Description

We investigated the effect of Cu irradiation on the flux pinning in c-axis grain-oriented BiSrCaCu0 by means of the d.c. magnetization method. Irradiation significantly enhanced both hysteresis of d.c. magnetization and the irreversibility field at temperatures up to 60 K. Flux creep was suppressed by the irradiation. However, the apparent pinning potential energy U of irradiated samples was still small. The U values of irradiated and nonirradiated samples were 14 meV and 8 meV in 4 T at 4.2 K and 40 meV and 15 meV in 0.2 T at 41.8 K, respectively. © 1992 IOP Publishing Ltd.

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