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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1160Spinel Structured Iron Gallium Oxynitride -...

Spinel Structured Iron Gallium Oxynitride - Fe₂GaO₂N₂

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Abstract:

A facile method was successfully developed to prepare Ternary oxynitride of iron and gallium. Initially mixed oxyhydroxides of Iron and gallium were prepared by co-precipitation method. Then this was nitrided using urea and agar in presence of ammonia at 900°C, which gave mixed cation oxynitride . This mixed oxynitride was characterized using XRD, XPS and SEM. The X-ray diffraction pattern of the Fe_x’Ga_xO_yN_z phase was refined within the cubic spinel structure (space group Fd-3m), using the fullprof program. On assuming 3⁺ oxidation state for half of iron and whole of gallium, the chemical composition of the oxynitride spinel determined by the X-ray analysis is Fe₂GaN₂O₂. The refinement using these parameters resulted in a good fit to the observed diffraction data, with a crystallographic R factor of 5.92. This ternary oxynitride of iron and gallium is a novel material which can give unique optical and magnetic properties.

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Advanced Materials Research Vol. 1160

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Periodical:

Advanced Materials Research (Volume 1160)

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45-50

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https://doi.org/10.4028/www.scientific.net/AMR.1160.45

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Online since:

January 2021

Authors:

Savitha Kadencheri Unnikrishnan*

Keywords:

Oxyhydroxide, Rietveld Analysis, Soft Urea Pathway, Ternary Oxynitride

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© 2021 Trans Tech Publications Ltd. All Rights Reserved

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