Polycrystalline samples of RE1-2xCaxMxBa2Cu3O7-d with RE = Nd, Y and M = Pr, Th (with 0.0≤x≤0.10), superconductors were prepared by the standard solid state method. Resistivity was measured as a function of temperature and ...

Magnetic properties of superconducting yttrium barium copper oxide (YBa 2 Cu 3 O 7-δ) nanoparticles (27 nm), prepared by a citrate gel modification of the sol-gel technique, have been studied. According to x-ray powder diffraction...

Magnetic properties of superconducting yttrium barium copper oxide (YBa 2 Cu 3 O 7-δ) nanoparticles (27 nm), prepared by a citrate gel modification of the sol-gel technique, have been studied. A ccording to x-ray powder diffraction...

First-principle calculations within Eliashberg theory framework have been utilized to investigate theoretically

the effect of hole-doping along with applying strain on superconductivity in a-graphyne and graphene

as a benchmark. We...

(AL) model have been used for analyzing the superconducting fluctuation behavior. The excess conductivity Δσ was analyzed as a function of ε = (T-Tmf)/Tmf and results was in agreement with the theoretical prediction. This results suggested...