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Anomalous magnetization of melt-grown samarium-BCO(7-).

Author(s) : YI Z., BEDUZ C., YANG Y., SCURLOCK R. G., REN Y., GROOT P. A. J. de

Type of article: Article

Summary

A single grain chosen from this melt-grown sample was ground into a cylinder 4 mm long and 1.5 mm in diameter with the c-axis of the grain perpendicular to the axis of the cylinder. Magnetization curves show a peak at intermediate fields. The temperature and angular dependence of the field, at which a peak occurs was measured. The field shifts from 0.7 to 11 T at 55 K as the angle between the external field and the c-axis varies from 0 to 90 deg. As expected from the field induced pinning model, the authors found that the field at which all weak regions become normal has the same angular dependence as that for the upper critical field in anisotropic superconductors.

Details

  • Original title: Anomalous magnetization of melt-grown samarium-BCO(7-).
  • Record ID : 1994-0033
  • Languages: English
  • Source: Cryogenics - vol. 33 - n. 5
  • Publication date: 1993/05

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