Publisher: Bachudo Science Co. Ltd
Synthesis and Characterizatiol of Nanocrystalline Y -Fe203 By Combustion Method
B. I. Ita, U. J. Ekpe, U. J. Ibok
KEYWORDS: y -Fe20i, urea, nanocrystalline, combustion, ferromllgnetic.
ABSTRACT:The y-Fe20i was prepared using combustion method with iron acetylac<;tonate and urea as starting materials. The prepared· y -Fe2O bas nanocrystaffine particles at 350°C. Proszki computer programme was used to determine the structure of the prepared y - FezQi from the XRD pattern 0 and revealed 0that· y -Fez03 was tetragonal having unit cell parameters; a = 8:33912 A ; c =25.0 l 156A . Ele1tron microscopic studies gave the surface morphology' of the prepared y-FezQi. The particles of y-Fe20l were less than 300nni ftQm the scanning electron microscopy while the transmission eleqtron microscopy revealed near-acircular particles of y -FezQi of mean particle size of 200nm. The magnetic properties of this important oxide measured reveal that y -Fe2Qi was ferromagnetic.
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