The diffuse reflectance spectra of zinc oxide and zinc peroxide |
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| Affiliation: | 1. Department of Physics, Nano Functional Materials Technology Centre and Materials Science Research Centre, Indian Institute of Technology Madras, Chennai 600036, India;2. SRM Research Institute, Department of Physics and Nanotechnology, SRM University, Kattankulathur 603203, Tamil Nadu, India |
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| Abstract: | Visible and near ultraviolet optical absorption spectra of mixtures of zinc oxide and zinc peroxide, obtained by the diffuse reflectance method, show that a strong absorption occurs in the peroxide at an energy at least 1.3 eV higher than a similar absorption in the oxide. The absence of any evidence of crystal field splitting denies the presence of Zn4+(3d8) ions in the peroxide as suggested by earlier X-ray absorption results. |
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