Baca, E.; Gross, K.; Chacón, M.; Morán, O.; Benavides, J.; Mera, J.; Córdoba, C.; Paredes, O.
January 2006
Revista Colombiana de Física;2006, Vol. 38 Issue 1, p17
Academic Journal
Temperature dependence of ac magnetic susceptibility in the superconducting ceramic Bi2Sr2Ca2Cu3Oy (Bi-2223) was studied at different alternating magnetic fields hac to calculate the inter-granular JC current density close to superconducting transition TC=110 K. Intergranular current density close to TC was obtained from hac and peak temperature TP in the maximum of imaginary component χ'. JC values between 1.3 and 2.2 A/cm² in the range of temperatures from 106 K to 109 K were obtained.


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