EDAX, Thermal, UV-Vis and SHG studies of pure and creatinine doped KDP crystals

H. Bhuva¹ , H.O. Jethva²

1. Department of Physics, Saurashtra University, India.
2. Department of Physics, Saurashtra University, India.

Section:Research Paper, Product Type: Journal-Paper
Vol.10 , Issue.1 , pp.1-6, Mar-2023

Online published on Mar 31, 2023

Copyright © H. Bhuva, H.O. Jethva . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
In the current article, we explore the growth and diverse characterizations, encompassing elemental, thermal, UV-Vis, and SHG properties of pure and creatinine doped KDP crystals. The doping of creatinine was varied from 0.2wt% to 0.8wt% and its effect on various properties of pure KDP crystal is analyzed and discussed in this article. For crystal growth, undoped and creatinine-doped KDP crystals were cultivated at room temperature utilizing the solution growth technique. Elemental analysis was conducted to confirm the presence of dopant atoms. The thermo-grams confirmed the increased thermal stability of 0.2wt% and 0.4wt% creatinine doped KDP crystals without a phase change. The presence of creatinine increased the decomposition temperature and mass loss of pure KDP. The DTA curves showed the corresponding endothermic peaks and shifting of the peaks after doping of creatinine. UV-Vis analysis showcased the exceptional transparency of all crystals across the entire visible spectrum without any change in transmittance and shifting of cut-off wavelength towards higher wavelength side after doping of creatinine. The energy bandgap values of all the crystals were evaluated by using Tauc’s method and observed reduction in the energy bandgap after doping of creatinine. The SHG analysis showed increased NLO efficiency of creatinine doped KDP crystals. The results are discussed accordingly.

Key-Words / Index Term :
Pure and creatinine doped KDP crystals, EDAX, TGA, DTA, UV-Vis, SHG

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