fig5

Figure 5. (A) Dynamic atomic structural evolution of the (1 × 4) reconstructed TiO2(001) surface in a water vapor environment. Reprinted with permission from ref.[19] Copyright 2020 AAAS. (B) Sequential ETEM images show the dynamic structural evolution of the Ti row. (C) Imaging single para-xylene (PX) molecules in the straight channels of ZSM-5. (D) Identifying different orientations of PX pointer molecules. Reprinted with permission from ref.[47] Copyright 2021 Springer Nature.