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Autor:
Edgardo Alfonso Gómez Pineda, Otávio A. Capeloto, Luiz Alberto Pilatti, Nivaldo E. de Souza, Maurício A. C. de Melo, Ivair A. Santos, Nelson G. C. Astrath, Ana Adelina Winkler Hechenleitner, Isabella Tamine Parra Miranda
Publikováno v:
SN Applied Sciences. 1
Chromium-doped $$\alpha$$ - $$\hbox {Al}_{2}\hbox {O}_{3}$$ powder was synthesized by a modified sol–gel method using poly(vinyl alcohol) aqueous solutions and metal nitrate precursors. The synthesis process is simple, is of low cost and produced f