Electrolytic coloration and spectral properties of OH- and Cu-codoped NaCl crystals |
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| Authors: | Hongen Gu Cuiying Song |
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| Institution: | aDepartment of Physics, Tianjin University, Tianjin 300072, PR China;bSchool of Science, Tianjin University of Commerce, Tianjin 300134, PR China |
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| Abstract: | OH−- and Cu+-codoped NaCl crystals are colored electrolytically by using a pointed anode and a flat cathode at various temperatures and under various voltages. Absorption and fluorescence spectral properties of colored crystals are investigated. Absorption, excitation and fluorescence spectra reveal existence of V2, V2m, V3, OH−, U, UA, O2−–Va+, O2+, Cu+, Cu0, Cu− and OH−-perturbed Cu+ color centers in colored crystals. Formations of color centers are explained. |
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| Keywords: | Absorption and fluorescence OH− - and Cu+-codoped NaCl crystal Electrolysis |
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