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Optical properties of NiO thin films fabricated by electron beam evaporation |
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| Authors: | D.Y. JiangJ.M. Qin X. WangS. Gao Q.C. LiangJ.X. Zhao |
| Affiliation: | a School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China b School of Science, Changchun University of Science and Technology, Changchun 130022, China c College of Physics and Electronic Information, Inner Mongolia National University, Tongliao 028043, China |
| Abstract: | Nickel oxide (NiO) thin films were deposited onto quartz substrates by the electron beam deposition technique, and obtained high crystal quality after annealing at 1173 K. The structural and microstructural properties of the films were studied by X-ray diffraction (XRD) and atomic force microscope (AFM), respectively. We focus on the optical characterization of the films, indicating the enhancement of the crystal quality, which was confirmed by the photoluminescence and Raman spectrum. Furthermore, PL studies exhibited room temperature emission at 377 nm, and also shown high ultraviolet/visible rejection ratio (>100). |
| Keywords: | NiO Optical properties Photoluminescence |
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