Second-order nonlinear optical properties of CuGaxIn1-xSe2 (x = 0.54): Experimental and theoretical investigations |
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| Institution: | 1. College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, PR China;2. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China;1. College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China;2. Beijing Center for Crystal Research and Development, Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;3. State Key Laboratory of Crystal Materials and Institute of Crystal Materials, Shandong University, Jinan, 250100, China;1. Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, 435002, PR China;2. Institute of Materials Science, TU Darmstadt, 64287, Darmstadt, Germany;3. Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang, 441053, China;1. Center for Crystal R&D, Key Lab Functional Crystals and Laser Technology of Chinese Academy of Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China;2. University of Chinese Academy of Sciences, Beijing 100190, PR China |
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| Abstract: | CuGaxIn1-xSe2 (x = 0.54, CGISe) has been obtained by a high temperature solid-state method. It crystallizes in the typical chalcopyrite structure. CGISe exhibits a second-harmonic generation intensity about 0.5 times that of AgGaS2 in the particle size range 75–100 μm. It's band structure, density of state, and optical properties are studied by theoretical calculations. The nonlinear optical properties of CGISe and several related chalcopyrite-type chalcogenides are discussed based on optical property and dipole moment calculations. |
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| Keywords: | Solid-state reaction Chalcopyrite structure Second harmonic generation Theory calculation |
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