The Role of Charge States in the Atomic Structure of Cun and Ptn (n = 2–14 atoms) Clusters: A DFT Investigation - Chaves, Anderson Silva; Rondina, Gustavo Garcia; Piotrowski, Maurício Jeomar; Tereshchuk, Polina; Silva, Juarez Lopes Ferreira da (Journal of Physical Chemistry A, 2014)