MAGNETISM AND FERROELECTRICITY Electrical Conductivity and Magnetic Properties of La 1 – x Ca x Mn 1 – y Fe y O 3 Ceramic Samples ( x = 0 . 67 , y = 0 , 0 . 05 )

Abstract

The temperature dependences of the magnetic susceptibility χ ( T ) and the electrical resistivity ρ ( T ) of ceramic samples of La 1 – x Ca x MnO 3 with x = 0.67 (LCMO) and La 1 – x Ca x Mn 1 – y Fe y O 3 with x = 0.67 and y = 0.05 (LCMFO) are investigated in magnetic fields B = 50–10 5 G and the temperature range T = 4.2–400 K. Both samples undergo a… (More)

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