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Tayyba Firdoss A. A. Khurram Nawazish A. Khan 《Journal of Superconductivity and Novel Magnetism》2010,23(3):325-328
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. 相似文献
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