Low-field AC susceptibility in Hg-1223 polycrystals

D. Berling, E. V. Antipov, J. J. Capponi, M. F. Gorius, B. Loegel, A. Mehdaoui, J. L. Tholence

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12 Citations (Scopus)

Abstract

The complex AC susceptibility of HgBa2Ca2Cu3O8+δ(Hg-1223) has been studied for DC magnetic fields 0 Oe≤HDC≤50 Oe and AC magnetic fields 0.1 Oe≤hAC≤70 Oe allowing the determination to be made of the irreversibility line both in the (HDC, T) plane and in the (hAC, T) plane. The critical dynamic field h*c has furthermore been obtained in the low AC field limit. All these results are consistent with a strong increase of the intergranular pinning strength which is one order of magnitude higher than in similar as-sintered 123 compounds, suggesting possibilities for the critical currents.

Original languageEnglish
Pages (from-to)212-217
Number of pages6
JournalPhysica C: Superconductivity and its Applications
Volume225
Issue number3-4
DOIs
Publication statusPublished - 20 May 1994
Externally publishedYes

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