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Pinning potential and critical current densities in powder melting processed y(Ho)bco samples

  • Liu Peng
  • , Li Jingwei
  • , Yin Bo
  • , Guo Shuquan
  • , Zhao Zhongxian
  • , Feng Yong
  • , Zhou Lian
  • CAS - Institute of Physics
  • Shanxi Normal University
  • Northwest Institute for Nonferrous Metal Research

科研成果: 期刊稿件文章同行评审

2 引用 (Scopus)

摘要

Magnetic relaxation and magnetization of the powder melting Y1-x HoxBa2Cu3O7 (x =0.2, 0.4 and 0.6) samples have been measured at the temperature of 70K. The pinning potential U and magnetization critical current density Jc have been obtained according to the Anderson-Kim model and Bean model. It is found that both U and Jc were influenced by doping Ho. In the sarpple with x = 0.4 the pinning potential U has a value of 3.2 eV when the held is equal to 1 kG and parallel to c-axis, which is the highest one we have known in the high Tc superconductors.

源语言英语
页(从-至)688-691
页数4
期刊Chinese Physics Letters
10
11
DOI
出版状态已出版 - 11月 1993
已对外发布

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