@article{article402d0d43, title = {Mechanism of point-defect diffusion in a two-dimensional colloidal crystal}, author = {Silva, L. C. and Cândido, L. and Hai, Guo Qiang and Oliveira Junior, Osvaldo Novais de}, year = {2011}, doi = {10.1063/1.3615287}, journal = {Applied Physics Letters} }