Robust Sierpiński triangle fractals on symmetry-mismatched Ag(100)

Xue Zhang (1) , Na Li (1) , L. Liu (1) , Gaochen Gu (1) , Chao Li (1) , Hao Tang (2) , Ling Peng (1) , Shimin Hou (1) , Yongfeng Wang (1)

1 Peking University [Beijing]
2 CEMES-SINanO - Surfaces, Interfaces et Nano-Objets

Sierpiński triangle fractals were constructed on both Ag(111) and symmetry-mismatched fourfold Ag(100) surfaces through chemical reaction between H3PH molecules and Fe atoms under vacuum. Density functional theory calculations revealed that the fractals were stabilized by the strong coordination interaction between Fe and O atoms. In comparison, pure H3PH molecules formed fractals via moderately strong hydrogen bonds only on Ag(111), not on Ag(100).

Mots clés: chemical reaction; coordination; density functional theory; fractal analysis; hydrogen bond; vacuum

Domaines: Physique [physics]

Xue Zhang, Na Li, L. Liu, Gaochen Gu, Chao Li, et al.. Robust Sierpiński triangle fractals on symmetry-mismatched Ag(100). Chemical Communications, 2016, 52 (69), pp.10578-10581. ⟨10.1039/c6cc04879j⟩. ⟨hal-01766330⟩