Optical and Piezoelectric Properties of Mn-Doped ZnO Films Deposited by Sol-Gel and Hydrothermal Methods

Figure 2

SEM images and EDX spectrum of doped ZnO films prepared by SG method after 10 depositions. (a–c) Mn (1%). (d–f) Mn (2%). (g–i) Mn (5%).

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(f)

(g)

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