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Journal of Superconductivity and Novel Magnetism

, Volume 21, Issue 2, pp 107–111 | Cite as

Dependency of Flux Jump on Temperature and Field-Sweep Rate for Textured (Nd1/3Eu1/3Gd1/3)Ba2Cu3O7-δ Bulk Superconductor with Gd-211 Particles

  • Gang Jin
  • Jincang Zhang
  • Chuanbing Cai
  • Xin Yao
  • Shixun Cao
Article

Abstract

Anisotropy flux jumps in the mixed state of a textured (Nd0.33Eu0.33Gd0.33)Ba2Cu3O7-δ bulk superconductor with Gd-211 doping particles have been studied by means of magnetization measurements in the model of the magnetic field paralleling and perpendicular to the c axis. A typical anisotropy flux jump was observed at a temperature ranging from 2.0 to 3.0 K. Under the magnetic field perpendicular to c axis, no flux jump was found at whole temperature range until the sweep rate of 200 Oe/sec. For the magnetic field paralleling to the c axis, the number of flux jumps decreased with the increase of temperature, and the third quadrant of the MH curve is the most flux-instability quadrant. The magnetic field sweep rate dependences of flux jumps were also studied and the influence of flux creep on flux jumps was also discussed.

Keywords

Anisotropy flux jump (Nd1/3Eu1/3Gd1/3)Ba2Cu3O7-δ superconductor OCMG method Gd-211 particles 

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Gang Jin
    • 1
  • Jincang Zhang
    • 2
  • Chuanbing Cai
    • 2
  • Xin Yao
    • 3
  • Shixun Cao
    • 2
  1. 1.Department of PhysicsZhoukou Normal UniversityZhoukouChina
  2. 2.Department of PhysicsShanghai UniversityShanghaiChina
  3. 3.Department of PhysicsShanghai Jiaotong UniversityShanghaiChina

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