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Structural Characterization and Magneto Electrical Behavior of Sm Doped La0.7Ca0.3MnO3 Manganites

The La 0.7− x Sm x Ca 0.3 MnO 3 with x =0.0 and 0.1 compounds were fabricated by compositional solid state reaction method and investigated for their structural and magnetoelectrical properties. The samples are characterized structurally by X-ray diffraction, scanning electron microscope, and energy...

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Bibliographic Details
Published in:Journal of superconductivity and novel magnetism 2013-05, Vol.26 (5), p.1461-1465
Main Authors: Altintas, S. P., Amira, A., Terzioglu, C.
Format: Article
Language:English
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Summary:The La 0.7− x Sm x Ca 0.3 MnO 3 with x =0.0 and 0.1 compounds were fabricated by compositional solid state reaction method and investigated for their structural and magnetoelectrical properties. The samples are characterized structurally by X-ray diffraction, scanning electron microscope, and energy dispersive X-ray spectrometer. The electrical and magnetotransport properties of bulk samples have been investigated in the temperature range 5–300 K and a magnetic field up to 7 T. The metal–insulator transition temperature, T MI , decreased with samarium (Sm) doping and also it is increased slightly with the application of magnetic field. The results of Sm doped LCMO compound showed that the maximum magneto resistance (MR) is about 54 % and it appears near the transition temperature.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-012-2065-4