Electrical transport and magnetic properties of (La0.7Ca0.3MnO3)1−x(Y1Ba2Cu3O7−δ)x composite ceramics

► Study of temperature-dependent MR of (La0.7Ca0.3MnO3)1−x(Y1Ba2Cu3O7)x composites. ► Study of temperature-dependent resistivity of (La0.7Ca0.3MnO3)1−x(Y1Ba2Cu3O7)x composites ► Investigation of superconducting proximity effect on field-sensitive tunable MR of (La0.7Ca0.3MnO3)1−x(Y1Ba2Cu3O7)x composite.