Fig. 3From: Formation of Pt–Zn Alloy Nanoparticles by Electron-Beam Irradiation of Wurtzite ZnO in the TEM a HAADF-STEM image of the NP shown in Fig. 2a and its surroundings. b EDXS spectra acquired over the NP and matrix regions marked by a circle and a square, respectively, in a. During EDXS mapping, the used pixel dwell time was ~4.4 ms at a spatial dimension of ~0.04 nm/pixelBack to article page