Effect of magnetic element ions on collective pinning behaviour in Bi-2223 quadrilateral bars

Frequency and ac field dependence of Bi1.6Pb0.4Sr2(Ca1−xMx)2Cu3Oδ quadrilateral bars with x⩽0.02 and M=Pr, Nd, Sm, Gd and Ni, prepared by the conventional reaction method have been measured in the range of low field/frequency ac susceptibility and BSCCO superconducting temperature. The ac loss peak...

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Veröffentlicht in:	Physica. C, Superconductivity Superconductivity, 2007-10, Vol.463-465, p.439-444
1. Verfasser:	Adam, M.I.
Format:	Artikel
Sprache:	eng
Schlagworte:	AC losses AC susceptibility Activation energy Bi-based cuprates Bi–(Pb)–Sr–Ca–Cu–O Condensed matter: electronic structure, electrical, magnetic, and optical properties Cuprates superconductors (high tc and insulating parent compounds) Exact sciences and technology Physics Properties of type I and type II superconductors Superconductivity Vortex lattices ,flux pinning, flux creep
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