TY - JOUR T1 - Optical and structural studies on SnS films grown by co-evaporation JO - Brazilian Journal of Physics A1 - Cifuentes, C. A1 - Botero, M. A1 - Romero, E. A1 - Calderón, C. A1 - Gordillo, G. SN - 0103-9733 UL - 10.1590/S0103-97332006000600066 VL - 36 Y1 - 2006 PB - Brasil ER -