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KMID : 1059520110550040697
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Journal of the Korean Chemical Society
2011 Volume.55 No. 4 p.697 ~ p.702
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Investigation on the Structural, Electrical and Magnetic Properties of Layered Perovskite Manganite La0.5Sr1.5Mn0.5Cr0.5-xFexO4 (x=0.15, 0.3) System
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Devinder Singh
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Abstract
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The new layered perovskite manganites La0.5Sr1.5Mn0.5Cr0.5-xFexO4 (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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KEYWORD
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Layered perovskite oxides, Perovskite manganites, Electrical properties, Magnetic properties
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