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Growth and characterization of thiosemicarbazide hydrochloride: a semiorganic NLO material |
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| Authors: | Santhakumari R Ramamurthi K Babu R Ramesh Evans Helen Stoeckli Bhagavannarayana G Hema R |
| Affiliation: | aDepartment of Physics, Govt. Arts College for Women, Pudukkottai 622 001, Tamil Nadu, India;bCrystal Growth and Thin Film Laboratory, School of Physics, Bharathidasan University, Tiruchirappalli 620 024, Tamil Nadu, India;cInstitute of Physics, University of Neuchatel, Rue Emile-Argand 11, CH-2009 Neuchatel, Switzerland;dMaterials Characterization Division, National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi 110 012, India;eDepartment of Physics, Seethalakshmi Ramsamy College of Arts and Science, Tiruchirappalli 620 002, Tamil Nadu, India |
| Abstract: | Thiosemicarbazide hydrochloride (TSCHCL) was synthesized by mixing thiosemicarbazide and hydrochloride in 1:1 molar ratio in double distilled water. Single crystals of TSCHCL were grown by slow evaporation at room temperature and were characterized by single crystal X-ray diffraction study to determine the molecular structure and by FT-IR, 1H and 13C NMR spectral analyses to confirm the synthesized compound. Thermogravimetric and differential thermal analyses reveal the thermal stability of the crystal. The transmission spectrum of TSCHCL showed that the crystal is transparent in the wavelength range 380–1100 nm. High resolution X-ray diffractometry (HRXRD) was employed to evaluate the perfection of the grown crystal. Mechanical properties of the grown crystal were studied using Vickers microhardness test. Second harmonic generation efficiency of the powdered TSCHCL was tested using Nd:YAG laser and is ∼1.5 times that of potassium dihydrogen orthophosphate. |
| Keywords: | PACS: 81.10.Dn 61.66.Hq 65.60.+a 42.65.Ky |
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