Theoretical study of the contribution to the produced damages by secondary particles in semiconductor targets in space proton environments - Mesa, Joel; Garcia, Cesar E; Arruda Neto, João Dias de Toledo; Rodrigues, Tulio Eduardo; Schelin, Hugo Reuters; Paschuk, Sergei A; Denyak, Valeriy; Evseev, Ivan (Encontro Nacional de Física da Matéria Condensada, 2009)