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Browsing by Subject "Resistivity anisotropy"

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Effect of Dy substitution at the sr site on the critical current density and flux-pinning properties of (Bi, Pb)-2212 superconductor

Vinu, S; Sarun, P M; Shabna, R; Biju, A; Guruswamy, P; Syamaprasad, U (Wiley, 2008)

The effect of substitution of the rare earth Dy on the critical current density and flux-pinning properties of (Bi, Pb)-2212 system prepared by a solid-state synthesis in bulk polycrystalline form was studied. Phase analysis, ...
Effect of sintering temperature on the microstructural and flux pinning characteristics of Bi1.6Pb0.5Sr1.8La0.2Ca1.1Cu2.1O8+delta ceramics

Sarun, P M; Vinu, S; Shabna, R; Biju, A; Guruswamy, P; Syamaprasad, U (Wiley, 2009)

We evaluated the microstructure, superconducting, and flux pinning properties of La-doped (Bi,Pb)-2212 bulk sample by varying its sintering temperature (T-sinter) between 846 degrees and 860 degrees C. Significant variations ...
Microstructure and transport properties of Bi1.6Pb0.5Sr2-xLuxCa1.1Cu2.1O8+delta superconductor

Vinu, S; Sarun, P M; Shabna, R; Biju, A; Syamaprasad, U (Elsevier, 2010)

The microstructure and electrical properties of the rare-earth Lu doped (Bi, Pb)-2212 superconductor have been investigated. The Lu concentration is varied from x = 0.000 to 0.150 in a general stoichiometry of Bi1.6Pb0.5 ...
Structural and transport properties of the (Bi1.6Pb0.5)(Sr2-xLux)Ca1.1Cu2.1O8+delta Superconductor

Sarun, P M; Vinu, S; Shabna, R; Anooja, J B; Aswathy, P M; Syamaprasad, U (IEEE, 2010)

The effects of Lu-doping on phase evolution, microstructure, electrical, and superconducting properties of Bi-2212 have been studied. The results show that Lu+3 ions enter into the crystal structure in place of Sr+2 ions ...

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