STEM images of LTO-RT-600: (a, b) HAADF and (c) corresponding ABF images of LTO-RT-600 NSs. The simulated HAADF images of (d) LTO projected from [110] direction and (e) rutile-TiO2 projected from [100] direction. The insets show the arrangements of atoms. (J. Am. Chem. Soc., 2012, 134, 7874-7879)