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Studies on physico-chemical properties of hydroxyethylammonium (l) tartrate monohydrate single crystals |
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| Authors: | R NagalakshmiV Krishnakumar N SudharsanaA Wojciechowski M PiaseckiIV Kityk Michael BelsleyDmitry Isakov |
| Institution: | a Department of Physics, National Institute of Technology, Tiruchirappalli 620015, India b Department of Physics, Periyar University, Salem 636011, India c Electrical Engineering Department, Czestochowa University Technology, Armii Krajowej 17, Czestochowa, Poland d J. Dlugosz University Czestohcowa, Poland e Centro de Fisica, Universidade do Minho, 4710-057 Braga, Portugal |
| Abstract: | In this paper, we report the growth and characterization of hydroxyethylammonium (l) tartrate monohydrate single crystals grown by slow evaporation solution technique. The X-ray diffraction analysis reveals that the crystal belongs to the monoclinic system having P21 space group. Photoinduced optical absorption effects were studied on the crystalline samples irradiated with CW 532 nm (green) and 689 nm (red) laser wavelengths. The relative second harmonic generation efficiency of the title crystal was found to be 1.4 times larger than that of KDP crystal. The thermal, mechanical, dielectric and optical studies of the single crystals were carried out to propose the material for useful applications. The reflectance and refractive indices were also evaluated from optical transmission spectrum. Further the electronic excitation calculations were carried out to understand the charge transfer mechanisms. |
| Keywords: | Crystal growth X-ray diffraction Dielectric properties Optical properties Mechanical properties |
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