A first-principles investigation of the atomic and electronic structure of Ptn, Cun and (PtCu)n (n=2-14) clusters - Chaves, Anderson Silva; Rondina, Gustavo Garcia; Piotrowski, Maurício Jeomar; Silva, Juarez Lopes Ferreira da (Semana Integrada do Instituto de Física de São Carlos - SIFSC, 2013)