Fig. 1
From: Formation of Pt–Zn Alloy Nanoparticles by Electron-Beam Irradiation of Wurtzite ZnO in the TEM
a SEM microstructure of a FIB lamella. A rectangular hole is intentionally drilled in the middle of the specimen during FIB to obtain a uniformly thin region for observation. The region around the hole is beam-irradiated. b Low-magnification TEM image showing that two holes are formed after beam irradiation by focusing an electron beam in a diameter of 40 nm for 105 s, as indicated by circles. Nanoparticles are observed to protrude toward the center of the holes formed by beam irradiation