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. 2017 May 2;4(9):1700031. doi: 10.1002/advs.201700031

Figure 1.

Figure 1

a) Schematic view of the device structure and b) energy band diagram of the device. XPS spectra of c) Mg 1s and d) O 1s peaks for an MgO film coated on a glass substrate. e) TEM and f) SAED images of an MgO nanocrystalline film.