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Rietveld Refinement of Nanocrystalline LiFeO<sub>2</sub> Synthesized by Sol-Gel Method and Its Structural and Magnetic Properties

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Author(s): K. Vijaya Kumar | A. Sangeetha | A. T. Raghavender | Z. Skoko | G. Nanda Kumar

Journal: Journal of Crystallization Process and Technology
ISSN 2161-7678

Volume: 02;
Issue: 04;
Start page: 152;
Date: 2012;
Original page

Keywords: Nanoparticles | LiFeO2 | Structural and Magnetic Properties

ABSTRACT
Nanocrystalline lithium iron oxide LiFeO2 was synthesized using sol-gel method. Rietveld analysis was performed to confirm the different phases associated in the formation of LiFeO2. Quantitative Rietveld refinement revealed that sample contains: 39.9 wt% of cubic α – LiFeO2 phase, 58.5 wt% of monoclinic β - LiFeO2 and tetragonal 1.7 wt%. of γ - LiFeO2. The nanocrystalline nature of the prepared samples was confirmed by SEM analysis. The magnetic properties of LiFeO2 showed ferromagnetic property at room temperature.
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