AC Response of Cu0.5Tl0.5Ba2Ca2Cu3−x Sn x O10−δ Superconductor
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We have studied the ac response of Sn doped Cu0.5Tl0.5Ba2Ca2Cu3−x Sn x O10−δ superconductor samples from their ac-susceptibility measurements under different magnitudes of ac magnetic fields; H ac=0.4, 4, 16 A/m. The samples with x=0.5 and 1.0 have shown strong flux pinning and intergrain coupling. However, the sample with Sn doping of x=1.5 has shown very poor flux pinning characteristics.
KeywordsSuperconductor Magnetic properties
PACS74.70.-b 74.72.Jt 74.25.Sv
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