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Magnetotransport, thermoelectric power, thermal conductivity and specific heat of Pr2/3Sr1/3MnO3 manganite
Journal of Applied Physics
Magnetotransport and thermal studies of Pr 2/3 Sr 1/3 MnO 3 polycrystalline sintered bulk sample are reported here. The resistivity ͑T͒ and thermoelectric power S͑T͒ data show an insulator to metal ͑I-M͒ phase transition at T P Ϸ 294 K and T S Ϸ 290 K, respectively. Magnetization measurement confirms that the sample undergoes a transition from paramagnetic to ferromagnetic phase at a defined Curie temperature T C = 280 K. A substantial increase in magnetoresistance from 2.5% at 280 K to 5% atdoi:10.1063/1.2992521 fatcat:dqxvko6zkzbhhebwx72mctm6xi