Pinning forces and scaling in high-Tc superconductors

研究成果: Article査読

21 被引用数 (Scopus)

抄録

The volume pinning forces, Fp, of several high-Tc superconductors are compared to each other using literature data and to those obtained in NdBa2Cu3O7-δ samples. It is shown that the pinning at small normal inclusions which is dominant in most high-Tc systems, leads to a peak at around 0.3 when plotting the normalized volume pinning forces, Fp/Fp,max, versus the reduced field defined by h = H/Hirr. Furthermore, relaxation effects play a significant role in the Fp diagrams, especially in the high h regions thus causing the typical rounded-off 'tail'. In contrast to this, NdBCO shows the peak at ≈0.5, thus indicating a strong pinning at small superconducting regions (ΔK/ΔTc-pinning).

本文言語English
ページ(範囲)2193-2194
ページ数2
ジャーナルPhysica C: Superconductivity and its applications
282
PART 4
DOI
出版ステータスPublished - 1997 8
外部発表はい

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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