Wu, Sujuan; Brault, Pascal; Wang, Cong; Sauvage, Thierry - In: Physica A: Statistical Mechanics and its Applications 390 (2011) 11, pp. 2112-2116
Plasma sputtering deposition of platinum catalysts in porous anodic aluminum oxide (AAO) templates is shown to generate an anomalous superdiffusion concentration profile. The growth of an overlayer between the hexagonal array of pores is shown to enhance the diffusion into the pores, leading to...