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Crystal growth, optical, thermal, dielectric and mechanical studies on a nonlinear organic optical material: guanidinium fumarate dihydrate (GFDH) single crystal

  • 28-10-2020
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Abstract

Guanidinium fumarate dihydrate (GFDH), an organic material was grown by slow evaporation method at room temperature. The monoclinic system of the GFDH crystal was affirmed by single XRD analysis and its space group was determined to be P21/n. The quality of the grown optical GFDH crystal was confirmed with HRXRD analysis. The molecular structure of the GFDH crystal was studied by FT-IR spectroscopy. UV–Vis study demonstrates the lower cut-off wavelength (320 nm) and higher optical transparency of the GFDH crystal. The Meyer’s index value (n = 1.23) of the GFDH crystal shows that the GFDH crystal belongs to hard material category. Information regarding the thermal stability and melting point were rendered from the TG–DTA thermal studies. Dielectric studies were performed to understand the various polarization mechanisms at different temperatures. The GFDH crystal exhibits high third-order non-linear optical properties and optical limiting properties and that was analyzed by the Z-scan technique.

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Title
Crystal growth, optical, thermal, dielectric and mechanical studies on a nonlinear organic optical material: guanidinium fumarate dihydrate (GFDH) single crystal
Authors
K. Krishnaraj
P. Praveen Kumar
Publication date
28-10-2020
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 24/2020
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-04715-7
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