Sintesis Oksida Aurivillius Sr2Bi4Ti5-xFexO18 (x = 0,25; 0,5; 0,75; dan 1)
Keywords:
Aurivillus oxide, solid state reaction, Le Bail method, magnetic momentAbstract
Aurivillius oxides Sr2Bi4Ti5-xFexO18 have been synthesized using the solid state reaction method. Powder X-ray diffraction data were refined using Le Bail method implemented in Rietica have space group B2cb, Z = 4, and parameter cell are a = 5.542(8), b = 5.474(9), c = 48.947(1); a = 5.565(5), b = 5.491(9), c = 49,097(1); a = 5.533(7), b = 5.464(7), c = 48.595(2) and a = 5.621(1), b = 5.492(9), c = 49.78(4); respectively for x = 0.25, 0.5, 0.75, and 1. The substitution of cation Fe3+ in these Aurivillius oxides was showed increasing of magnetic moment are μ = 2.67, 3.21, 3.98, and 4.62 for x = 0.25, 0.5, 0.75, and 1 respectively.
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