Yazıcı, DuyguErdem, MuratÖzçelik, Bekir2021-06-232021-06-2320121557-19391557-1947https://doi.org/10.1007/s10948-012-1555-8https://hdl.handle.net/20.500.12491/7154In the present work, Bi-Pb-V-Sr-Ca-Cu-Ti-O bulk samples with nominal composition (BiPb)(2)VxSr2Ca3Cu4-y TiyO12+delta with x = 0.2 and y = 0.1, 0.2 and 0.3 compounds have been prepared by the melt-quenching method. The magnetoresistance of the samples has been measured for different values of the applied magnetic field. Using the resistivity data, the upper critical magnetic field H-c2(0) at T = 0 K was calculated. The coherence lengths at T = 0 K were calculated from H-c2(0) values. The thermally activated flux creep model has been studied in order to calculate the flux pinning energies. The results showed that H-c2(0) varied from 152.5 to 60.4 T and the flux pinning energies varied from 515 to 184 meV at 0 T, with the content y.eninfo:eu-repo/semantics/closedAccessHigh-T-c SuperconductorsMagnetoresistancePinning EnergyUpper Critical Magnetic FieldCoherence LengthEffect of high valancy cations on the intergranular pinning energies of (Bi-Pb)(2)Sr2Ca2Cu3O10+delta samplesArticle10.1007/s10948-012-1555-8256181118162-s2.0-84864601162Q3WOS:000309157100029Q4