Structural and spectroscopic characterization of Al2-xCrxO3 powders obtained by polymeric precursor method

Al2O3 and Al2−xCrxO3 (x = 0.01, 0.02 and 0.04) powders have been synthesized by the polymeric precursors method. A study of the structural evolution of crystalline phases corresponding to the obtained powders was accomplished through X-Ray Diffraction and UV-vis spectroscopy (reflectance spectra and...

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Veröffentlicht in:	Journal of sol-gel science and technology 2007-07, Vol.43 (1), p.131-136
Hauptverfasser:	CAVA, Sergio, BENINCA, Renata, TEBCHERANI, Sergio M, SOUZA, Iedo A, PASKOCIMAS, Carlos A, LONGO, Elson, VARELA, José A
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Chemistry Chromium Colloidal gels. Colloidal sols Colloidal state and disperse state Color Exact sciences and technology General and physical chemistry Heat treatment Phase transitions Prepolymers Reflectance Ruby Spectrum analysis Structural analysis Transitional aluminas X-ray diffraction
Online-Zugang:	Volltext
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