Citation
Beh, Hoe Guan and Ramli, Irmawati and Yahya, Noorhana and Lim, K.P.
(2009)
Phase evolution and crystallite size of La-substituted YIG at differentcalcination temperatures.
International Journal of Engineering and Technology, 9 (9).
pp. 59-62.
ISSN 2049-3444
Abstract
Yttrium iron garnet (YIG) substituted lanthanum ions (La3+) Y3-xLaxFe5O12 were synthesized at different temperatures. The effect of calcination temperature on crystalline structures was investigated by using X-ray diffraction (XRD). The results show that the crystallization of the samples La-substituted YIG x=0.0 and x=0.5 is more completed when the calcination temperature increases. However, Fe2O3 phase was formed in the sample with La substitution of x=1.0 when the temperature increases. The sizes of substituted YIG particles calculated from Scherrer equation were ranged from 29 to 71 nm and it was found increased with the increasing of calcination temperature.
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