Optical properties of high transmittance aluminum oxynitride thin films for spectral range from near ultraviolet to visible |
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| Authors: | Yung-Hsin Lin Jin-Cherng Hsu Yi Ding Paul W. Wang |
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| Affiliation: | (1) Graduate Institute of Applied Science and Engineering, Fu-Jen Catholic University, Taipei, Taiwan;(2) Department of Physics, Fu-Jen Catholic University, Taipei, Taiwan;(3) The Teaching Center of Natural Sciences, College of Humanities, Social and Natural Sciences, Minghsin University of Science and Technology, Hsinchu, Taiwan;(4) Department of Physics, Bradley University, Peoria, IL61625, USA |
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| Abstract: | In this study, high transmittance aluminum oxynitride films were deposited by ion beam sputtering at room temperature. The nitrogen working gas was fed into the ion source and the oxygen gas fed near the sputtered target. The properties of the aluminum oxynitride films were examined by a Varian Cary-5E spectrometer, atomic force microscopy, X-ray diffraction and Fourier transform infrared spectroscope. The films show high transmittance at near UV and visible light regions. The optical constants of the films, refractive index and extinction coefficient, can be controlled by varying the oxygen partial pressure. |
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| Keywords: | aluminum oxynitride ion beam sputtering room temperature and optical constants |
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