Fig. 4: Interfacial behaviours and orientation relationships (ORs) of the constitutive phases.

a High-resolution transmission electron microscopy (HRTEM) image showing the interface between the cell wall and α-Al matrix; b Intracellular nanoprecipitations with corresponding EDS elemental mappings; c Fast Fourier transformation (FFT) pattern of the image in (a); d FFT pattern of the boxed region in (b); e Density functional theory (DFT)-calculated atomic models of the interface structure between Al11La3/α-Al and Al11La3/L12-Al3Sc.