Abstract
Iron-based perovskites LaFe0.5M0.5O3, with the orthorhombic (S.G. Pbnm) and rhombohedral (S.G. R-3c) structure for M=Co and Ni, respectively were synthesized using the sol–gel method, in contrast to the literature results. Magnetic investigations reveal that LaFe0.5Co0.5O3 is a canted antiferromagnet and reaches a magnetic transition of 370 K, i.e., much above the 300 K value observed by previous authors, whereas LaFe0.5Ni0.5O3 is antiferromagnetic at low temperature.
Graphical Abstract
The sol–gel synthesized LaFe0.5Co0.5O3 perovskite to be stabilized at room temperature with a pure orthorhombic phase. The magnetization behavior reveals the perovskite is canted antiferromagnet at low temperature.
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Acknowledgements
The authors would like to thank Mr. A. Bajpai for his help during samples preparation. AKK and MMS thank the Science and Engineering Research Board (IN), India for financial support through the project grant # EMR/2016/000083.
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Solanki, V., Das, S., Kumar, S. et al. Crucial role of sol–gel synthesis in the structural and magnetic properties of LaFe0.5(Co/Ni)0.5O3 perovskites. J Sol-Gel Sci Technol 82, 536–540 (2017). https://doi.org/10.1007/s10971-017-4319-x
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DOI: https://doi.org/10.1007/s10971-017-4319-x