期刊
JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE
卷 55, 期 4, 页码 697-702出版社
KOREAN CHEMICAL SOC
DOI: 10.5012/jkcs.2011.55.4.697
关键词
Layered perovskite oxides; Perovskite manganites; Electrical properties; Magnetic properties
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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