Figure 5From: The function of a 60-nm-thick AlN buffer layer in n-ZnO/AlN/p-Si(111) XPS narrow scans of ZnO/Si heterojunction. (a) XPS narrow scans of Si 2 s and VBM of bulk Si; (b) XPS narrow scans of Zn 2p3/2 and Si 2 s at ZnO/Si interface; (c) XPS narrow scans of Zn 2p3/2 and VBM of bulk ZnO on a Si substrate.Back to article page