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Synthesis of a Structured Material Based on Compact Spheres Coated with Zn or Mg Spinel
Procedia Materials Science
In this work, a synthesis method of coating with thin layers of MgAl 2 O 4 or ZnAl 2 O 4 over -Al 2 O 3 spheres were developed. The method consisted in the deposition of a primer of bohemite on the spheres, followed by the impregnation with a solution of Mg or Zn nitrates, and further thermal treatments in order to obtain MAl 2 O 4 (M: Mg or Zn). This method was modified to improve the thickness and purity of the layer material. With this method, layers of uniform and adequate thickness anddoi:10.1016/j.mspro.2015.04.009 fatcat:yikczrlucvewdijrbqtw2sijpy