Elaboration de poudres de yig par coprecipitation |
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| Authors: | P Grosseau A Bachiorrini B Guilhot |
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| Institution: | (1) Ecole Nationale Supérieure des Mines, Centre SPIN, 158, cours Fauriel, 42023 Saint-Etienne Cédex 2, France;(2) D.S.T.C, Università di Udine, Via del Cotonificio 108, 33100 Udine, Italie |
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| Abstract: | This paper deals with an original method for the preparation of ferrites with the garnet structure by coprecipitation.The different transformations of the coprecipitated hydroxide during heat treatment are studied and reported.YIG crystallization from amorphous oxide is significantly dependent of some parameters.However, pure homogeneous materials can be obtained at low temperature (800–850 C) for Al substituted YIG Y3AlxFe5–xO12 with 0.5 x1. |
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| Keywords: | preparation of ferrites YIG crystallization |
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