TY - CPAPER TI - Synthesis and characterization of 'Er IND.2''O IND.3'-'Al IND.2''O IND.3'-'Y IND.2''O IND.3'-Si'O IND.2' compounds from the sol-gel process PY - 2009 AU - Mendes, A. C. AU - Siu Li, Maximo AU - Hernandes, Antonio Carlos AU - Carvalho, J. F. AU - Maia, L. J. Q. T2 - International Sol-Gel Conference J2 - Abstracts PP - Paris PB - International Sol-Gel Society - ISGS ER -