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1por Araújo, José Humberto de, Soares, J. M., Machado, F. L. A., Cabral, F. A. O., Ginani, Marconi Floripe“... in the Fe concentration, and the mean size of the grains was approximately 30 nm for any Fe composition...”
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2por Araújo, José Humberto de, Soares, J. M., Cabral, F. A. O., Machado, F. L. A., Ginani, Marconi Floripe“...High purity BaFe12O19 samples were synthesized by an ionic-coordination-reaction (ICR) technique...”
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3por Araújo, José Humberto de, Cabral, F. A. O., Ginani, Marconi Floripe, Soares, João Maria, Machado, Fernando. L. A.“...Samples of the magnetic glass–ceramics SiO2–BaFe12O19 were obtained from mixtures of Fe2O3–BaSO4...”
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