We report the results of the magnetic, electrical and thermal transport properties of

mixed-valence with A site cation disordered La_0.35Pr_0.15Ca_0.16Sr_0.34MnO₃ (ionic radii

<r_A> of 1.237 A⁰) manganites. The x-ray diffraction pattern of poly

crystalline La_0.35Pr_0.15Ca_0.16Sr_0.34MnO₃ manganites infers the orthorhombic

structure. Detailed resistivity measurement shows the semiconducting like behavoir

throughout temperature range. The dc magnetization measurement reveal that sample

undergoes a phase transition from paramanetic to ferromagnetic phase at T_c ~ 275 K

and to an antiferromagnetic phase at T_N ~ 155 K upon further cooling.

The specific heat measurement depict a broadened jump in the vicinity of Tc,

indicating the magnetic ordering and magnetic inhomogeneity in the sample.

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