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K. KANAGASABAPATHY1,* , S. VETRIVEL2, R. RAJASEKARAN3
Tris thiourea Zinc(II)sulphate (ZTS) and rare earth Yttrium(III)Nitrate doped Tris thiourea Zinc(II)sulphate compounds were synthesized from aqueous solution and single crystals were grown from aqueous solution by slow evaporation technique. The unit cell parameters of the grown crystals were evaluated by single crystal X-ray diffraction analysis. Powder X-Ray diffraction patterns were recorded and indexed for the structural confirmation. The functional groups present in the crystals were analyzed, using the Fourier transform infrared (FTIR) spectral analysis. EDX analysis revealed the incorporation of the Yttrium ions (Y3+) entered into ZTS crystals. UV-Visible transmission spectrum has been recorded to determine the cut-off wavelength of grown crystals for nonlinear applications. TG–DTA studies show thermal stability of the grown crystals. The microhardness studies on the grown crystals revealed that the hardness increases with applied load for all the grown crystals. From the value of work hardening coefficients, it was found that ZTS and Yttrium(III)Nitrate doped ZTS crystals belong to the category of soft materials. The crystal perfection and quality have been identified by etching studies. The dielectric measurement exhibits the dielectric constant and dielectric loss of the grown crystals decrease with increase in frequency. The nonlinear optical properties of pure and Yttrium(III)Nitrate doped ZTS crystals were confirmed by Kurtz-Perry powder method using Nd:YAG laser source..
Growth from solution, Nonlinear optical material, X-ray diffraction, Second Harmonic Generation, Rare earth element.
K. KANAGASABAPATHY, S. VETRIVEL, R. RAJASEKARAN, Growth, structural, optical, thermal, hardness and dielectric studies of rare earth Yttrium doped Tris Thiourea Zinc(II) Sulphate single crystals, Optoelectronics and Advanced Materials - Rapid Communications, 10, 9-10, September-October 2016, pp.720-727 (2016).
Submitted at: July 10, 2014
Accepted at: Sept. 29, 2016
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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