논문KCI 등재
Investigation on the Structural, Electrical and Magnetic Properties of Layered Perovskite Manganite La_(0.5)Sr_(1.5)Mn_(0.5)Cr_(0.5-x)Fe_xO_4 (x=0.15, 0.3) System
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The new layered perovskite manganites La_(0.5)Sr_(1.5)Mn_(0.5)Cr_(0.5-x)Fe_xO_4 (x=0.15, 0.3) have been prepared by standard ceramic method. The powder X-ray diffraction studies show that the phases crystallize with tetragonal unit cell in the space group I4/mmm. The electrical transport properties suggest that the phases show insulating behaviour and the electrical conduction in the phases occurs by a 3D variable range hopping mechanism. The magnetic properties suggest that both the phases are antiferromagnetic.
Abstract
The new layered perovskite manganites La_(0.5)Sr_(1.5)Mn_(0.5)Cr_(0.5-x)Fe_xO_4 (x=0.15, 0.3) have been prepared by standard ceramic method. The powder X-ray diffraction studies show that the phases crystallize with tetragonal unit cell in the space group I4/mmm. The electrical transport properties suggest that the phases show insulating behaviour and the electrical conduction in the phases occurs by a 3D variable range hopping mechanism. The magnetic properties suggest that both the phases are antiferromagnetic.
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