Nonlinear optical single crystals of picolinic acid hydrochloride (PHCL) were grown by the slow evaporation method. The grown crystal was subjected to a single crystal X-ray diffraction analysis, to confirm that it belongs to the orthorhombic structure. The Nonlinear Optical (NLO) property of the crystal is confirmed with the emission of green radiation from the crystal under the illumination of laser radiation (106.4 nm) from a Q switched Neodymium: Yttrium Aluminum Garnet (Nd: YAG) laser. The optical transmission range of the grown crystal was measured by Ultraviolet-Visible-Near Infrared (UV-VIS-NIR) with the lower cut-off wavelength as 195 nm. The mechanical strength of the grown crystal was analyzed using Vickers microhardness tester. The dielectric constant and dielectric loss of picolinic acid hydrochloride are measured in the frequency range of 50 Hz to 5 MHz at different temperatures.
Key words: Crystal growth, Nonlinear Optical (NLO), optical transmission, single crystal X-ray diffraction (XRD), mechanical properties, dielectric studies.
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