Surface pinning in niobium and a high-Tc superconductor

P. K. Mishra, G. Ravikumar, V. C. Sahni, M. R. Koblischka, A. K. Grover

研究成果: Article査読

11 被引用数 (Scopus)

抄録

We present magnetization-hysteresis measurements on a well annealed thin niobium sample. We observe that the magnetization hysteresis is inversely proportional to the applied magnetic field and the reverse magnetization is constant over a large range of the applied field; both are well known features associated with surface-barrier effects. We see a "shoulder"-like structure in the hysteresis loop. This behavior is also observed in the hysteresis loops of Bi2Sr2CaCu2O8 single crystal, between 30 K and 40 K. We analyze our results of magnetization measurements, in both niobium and Bi2Sr2CaCu2O8, in the light of the surface-pinning effect.

本文言語English
ページ(範囲)71-75
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
269
1-2
DOI
出版ステータスPublished - 1996 9 20
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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