Figure 2. TEM images of the Ga-Zn-oxynitrides obtained by nitridation of different precursors (Zn/Ganom=0.32). A: nitridation of the precipitate from Zn- and Ga- nitrate solution; B: nitridation of oxide mixture; C: commercial GaN. Electron diffraction patterns (inserts) reveal the presence of hexagonal wurtzite (# 76-0703).
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