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Synthesis and characterization of NiAl2O4 nanoparticles obtained through gelatin

2007; Elsevier BV; Volume: 61; Issue: 25 Linguagem: Inglês

10.1016/j.matlet.2007.03.042

1873-4979

N.A.S. Nogueira, Erandir Brasil da Silva, P.M. Jardim, J. M. Sasaki,

Advanced ceramic materials synthesis

Nanoparticles of NiAl2O4 were synthesized by heating (500–1000 °C) the dried resin resultant of a mixture in aqueous solution of gelatin, NiCl2·6H2O and AlCl3·6H2O. The particle size and microstrain were calculated from the line broadening of X-ray powder diffraction peaks through the Rietveld method refinement: these are 3.9–16 nm and − 0.743–0.139%, respectively. The NiAl2O4 nanoparticles were characterized by X-ray powder diffraction (XRPD), thermo gravimetric analysis (TG), BET and TEM techniques.