Temperature dependence of vortex flux pinning in polycrystalline GdBa2Cu3O7

K. A. Azez, J. Shobaki, M. K. Hasan Qaseer, I. A. Al-Omari

Research output: Contribution to journalArticle

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Abstract

Magnetization measurements were made on a polycrystalline sample of GdBa2Cu3O7 at different temperatures from 4.2 K up to TC=91 K. The saturated remanent magnetization (MRS) as a detailed function of temperature (T) was used to study the variation of the vortex flux pinning forces with (T). The sample has been fully saturated by applying a high magnetic field to establish the critical state. Our data reveals that the average vortex flux pinning forces scale according to the following empirical relation of MRS=at7+bt1/2, where t=1-T/TC, a, and b are constants.

Original languageEnglish
Pages (from-to)260-262
Number of pages3
JournalJournal of Alloys and Compounds
Volume346
Issue number1-2
DOIs
Publication statusPublished - Nov 18 2002

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Flux pinning
Magnetization
Vortex flow
Magnetic fields
Temperature

Keywords

  • Magnetic measurements
  • Rare earth compounds
  • Superconductors

ASJC Scopus subject areas

  • Metals and Alloys

Cite this

Temperature dependence of vortex flux pinning in polycrystalline GdBa2Cu3O7 . / Azez, K. A.; Shobaki, J.; Hasan Qaseer, M. K.; Al-Omari, I. A.

In: Journal of Alloys and Compounds, Vol. 346, No. 1-2, 18.11.2002, p. 260-262.

Research output: Contribution to journalArticle

Azez, K. A. ; Shobaki, J. ; Hasan Qaseer, M. K. ; Al-Omari, I. A. / Temperature dependence of vortex flux pinning in polycrystalline GdBa2Cu3O7 . In: Journal of Alloys and Compounds. 2002 ; Vol. 346, No. 1-2. pp. 260-262.
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