471718.fig.001a
(a)
471718.fig.001b
(b)
Figure 1: (a) HRTEM image of a single crystal Au nanoparticle embedded in amorphous Al2O3 matrix, with its corresponding electron diffraction pattern on the top right corner. (b) HRTEM image of a single crystal Ag nanoparticle embedded in amorphous Al2O3 matrix, with its corresponding electron diffraction pattern on the top right corner.